GMC Sierra Vehicle Class & EPA Size Category
The EPA classifies the 2026 GMC Sierra as a Standard Pickup Trucks 4WD / Standard Pickup Trucks 2WD / Special Purpose Vehicle 4WD / Special Purpose Vehicle 2WD, a rating based on body style and interior volume.
Latest model year (2026):
The GMC Sierra is classified by the EPA as a Standard Pickup Trucks 4WD / Standard Pickup Trucks 2WD / Special Purpose Vehicle 4WD / Special Purpose Vehicle 2WD.
GMC Sierra Vehicle Class — All Years
| Year | Trim | Vehicle Class | Drive | Fuel Type | MPG Comb. |
|---|---|---|---|---|---|
| 2026 | Auto (A1) | Standard Pickup Trucks 4WD | 4-Wheel Drive | Electricity | 64 |
| 2026 | Auto (A1) | Standard Pickup Trucks 4WD | 4-Wheel Drive | Electricity | 67 |
| 2026 | Auto (A1) | Standard Pickup Trucks 4WD | 4-Wheel Drive | Electricity | 68 |
| 2026 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 23 |
| 2026 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 19 |
| 2026 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2026 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Diesel | 25 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2026 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2026 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 15 |
| 2026 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 15 |
| 2026 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 16 |
| 2026 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2026 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2026 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2026 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2026 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2025 | Auto (A1) | Standard Pickup Trucks 4WD | 4-Wheel Drive | Electricity | 64 |
| 2025 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 23 |
| 2025 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Diesel | 26 |
| 2025 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2025 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 19 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2025 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2025 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 15 |
| 2025 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 15 |
| 2025 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 16 |
| 2025 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2025 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2025 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2025 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2025 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2024 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Diesel | 25 |
| 2024 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2024 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 19 |
| 2024 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 22 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 15 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2024 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2024 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 15 |
| 2024 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 15 |
| 2024 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 16 |
| 2024 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2024 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2024 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2024 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2024 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2023 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 22 |
| 2023 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2023 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Diesel | 26 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2023 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2023 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 15 |
| 2023 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2023 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 15 |
| 2023 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2023 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2023 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2023 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2023 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2022 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Diesel | 26 |
| 2022 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 21 |
| 2022 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2022 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2022 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 16 |
| 2022 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2022 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 14 |
| 2022 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 16 |
| 2022 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2022 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2022 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2022 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2022 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2022 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2022 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2022 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2022 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2022 | Auto 8-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 15 |
| 2022 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2022 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2022 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2022 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2022 | Auto 8-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2021 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2021 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Diesel | 26 |
| 2021 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2021 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2021 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2021 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2021 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2021 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2021 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 16 |
| 2021 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 16 |
| 2021 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2021 | Auto 6-spd, 6 cyl, 4.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2021 | Auto 6-spd, 6 cyl, 4.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2021 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2021 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 15 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 14 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 14 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2021 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2021 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 21 |
| 2021 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 21 |
| 2021 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2021 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2021 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2021 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2021 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2021 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2021 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2021 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2020 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2020 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Diesel | 24 |
| 2020 | Auto 10-spd, 6 cyl, 3.0 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Diesel | 26 |
| 2020 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2020 | Auto 10-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2020 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2020 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2020 | Auto 6-spd, 6 cyl, 4.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2020 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2020 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2020 | Auto 6-spd, 6 cyl, 4.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2020 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2020 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2020 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2020 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2020 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2020 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2020 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 15 |
| 2020 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 20 |
| 2020 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2020 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 20 |
| 2020 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 21 |
| 2020 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2020 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2020 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2020 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2019 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2019 | Auto 10-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2019 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 6-spd, 6 cyl, 4.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2019 | Auto 6-spd, 6 cyl, 4.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 16 |
| 2019 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 15 |
| 2019 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 16 |
| 2019 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2019 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2019 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 20 |
| 2019 | Auto 8-spd, 4 cyl, 2.7 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 21 |
| 2019 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2019 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2019 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2019 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2018 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2018 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2018 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2018 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2018 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2018 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2018 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2018 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2018 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2018 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2018 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2018 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2018 | Auto 8-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Premium Gasoline | 17 |
| 2018 | Auto 8-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Premium Gasoline | 17 |
| 2017 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2017 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2017 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2017 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2017 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2017 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2017 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2017 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2017 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2017 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2017 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2017 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2017 | Auto 8-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2017 | Auto 8-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2016 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2016 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2016 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2016 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2016 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2016 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2016 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2016 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2016 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2016 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2016 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2016 | Auto 8-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2016 | Auto 8-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2016 | Auto 8-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2015 | Auto 6-spd, 6 cyl, 4.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 18 |
| 2015 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 20 |
| 2015 | Auto 6-spd, 6 cyl, 4.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 19 |
| 2015 | Auto 6-spd, 6 cyl, 4.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2015 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2015 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2015 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2015 | Auto 6-spd, 8 cyl, 5.3 L | Special Purpose Vehicle 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
| 2015 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2015 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2015 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 19 |
| 2015 | Auto 6-spd, 8 cyl, 5.3 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 18 |
| 2015 | Auto 8-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 2WD | Rear-Wheel Drive | Regular Gasoline | 17 |
| 2015 | Auto 8-spd, 8 cyl, 6.2 L | Standard Pickup Trucks 4WD | 4-Wheel Drive | Regular Gasoline | 17 |
Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.
GMC Sierra Vehicle Class FAQ
What class of vehicle is the GMC Sierra?
The EPA classifies the GMC Sierra as a Standard Pickup Trucks 4WD / Standard Pickup Trucks 2WD / Special Purpose Vehicle 4WD / Special Purpose Vehicle 2WD. This classification is based on interior volume and body style and affects how its fuel economy is compared with other vehicles.
Is the GMC Sierra considered a small or large vehicle?
Based on its EPA class (Standard Pickup Trucks 4WD, Standard Pickup Trucks 2WD, Special Purpose Vehicle 4WD, Special Purpose Vehicle 2WD), the GMC Sierra is grouped with vehicles of similar size and interior volume. The class can change between model years when the body is redesigned.