Cadillac CT5 Annual Fuel Cost
Running a 2026 Cadillac CT5 costs about $2,800 per year in fuel, based on 15,000 miles of driving at average U.S. fuel prices.
Latest model year (2026):
The Cadillac CT5 costs an estimated $2,900/year in fuel (346 g CO₂/mi).
Cadillac CT5 Fuel Cost — All Years
| Year | Trim | Engine | Fuel | MPG Comb. | Annual Cost | CO₂ (g/mi) | GHG Score |
|---|---|---|---|---|---|---|---|
| 2026 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 24 | $3,150 | 370 | 5 |
| 2026 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 26 | $2,900 | 346 | 5 |
| 2026 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 423 | 4 |
| 2026 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 22 | $3,450 | 399 | 4 |
| 2026 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 20 | $3,800 | 445 | 4 |
| 2026 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 418 | 4 |
| 2026 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 15 | $5,050 | 580 | 2 |
| 2026 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 15 | $5,050 | 587 | 2 |
| 2025 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 26 | $2,900 | 341 | 5 |
| 2025 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 25 | $3,050 | 361 | 5 |
| 2025 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 20 | $3,800 | 445 | 4 |
| 2025 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 422 | 4 |
| 2025 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 424 | 4 |
| 2025 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 22 | $3,450 | 399 | 5 |
| 2025 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 15 | $5,050 | 579 | 2 |
| 2025 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 15 | $5,050 | 587 | 2 |
| 2024 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 27 | $2,800 | 333 | 5 |
| 2024 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 25 | $3,050 | 358 | 5 |
| 2024 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 419 | 4 |
| 2024 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 419 | 4 |
| 2024 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 22 | $3,450 | 406 | 5 |
| 2024 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 423 | 4 |
| 2024 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 16 | $4,750 | 558 | 3 |
| 2024 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 15 | $5,050 | 592 | 2 |
| 2023 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 27 | $2,800 | 333 | 5 |
| 2023 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 25 | $3,050 | 358 | 5 |
| 2023 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 419 | 4 |
| 2023 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 423 | 4 |
| 2023 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 419 | 4 |
| 2023 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 22 | $3,450 | 405 | 5 |
| 2023 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 16 | $4,750 | 558 | 3 |
| 2023 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 15 | $5,050 | 592 | 2 |
| 2022 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 25 | $3,050 | 358 | 5 |
| 2022 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 27 | $2,800 | 333 | 6 |
| 2022 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 22 | $3,450 | 405 | 5 |
| 2022 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 423 | 4 |
| 2022 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 419 | 4 |
| 2022 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 419 | 4 |
| 2022 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 16 | $4,750 | 557 | 3 |
| 2022 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 15 | $5,050 | 573 | 2 |
| 2021 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 26 | $2,900 | 337 | 5 |
| 2021 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 25 | $3,050 | 389 | 5 |
| 2021 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 423 | 4 |
| 2021 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 22 | $3,450 | 404 | 4 |
| 2021 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 419 | 4 |
| 2021 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 419 | 4 |
| 2020 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 26 | $2,900 | 337 | 5 |
| 2020 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 25 | $3,050 | 356 | 5 |
| 2020 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 431 | 4 |
| 2020 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 412 | 4 |
| 2020 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 20 | $3,800 | 442 | 4 |
| 2020 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 21 | $3,600 | 412 | 4 |
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.
Cadillac CT5 Fuel Cost FAQ
How much does it cost to fuel the Cadillac CT5?
The estimated annual fuel cost for the Cadillac CT5 is $2,800 per year, based on 15,000 miles of driving and average fuel prices. Costs vary by trim and engine.
How much CO₂ does the Cadillac CT5 produce?
The Cadillac CT5 produces approximately 333 grams of CO₂ per mile. Lower numbers mean fewer emissions. See the table for per-trim details.