Cadillac CT5 MPG & Fuel Economy
The 2026 Cadillac CT5 gets up to 27 MPG combined (23 city / 33 highway) in EPA testing.
Latest model year (2026):
The Cadillac CT5 gets up to 26 MPG combined (22 city / 31 highway) in the Auto (S10), 4 cyl, 2.0 L trim.
Cadillac CT5 MPG — All Years
| Year | Trim | Engine | Fuel | City (MPG) | Hwy (MPG) | Combined (MPG) |
|---|---|---|---|---|---|---|
| 2026 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 30 | 24 |
| 2026 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 31 | 26 |
| 2026 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 27 | 21 |
| 2026 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 19 | 28 | 22 |
| 2026 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 17 | 26 | 20 |
| 2026 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 27 | 21 |
| 2026 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 20 | 15 |
| 2026 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 20 | 15 |
| 2025 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 23 | 32 | 26 |
| 2025 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 30 | 25 |
| 2025 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 17 | 26 | 20 |
| 2025 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2025 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 27 | 21 |
| 2025 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 19 | 28 | 22 |
| 2025 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 20 | 15 |
| 2025 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 20 | 15 |
| 2024 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 23 | 33 | 27 |
| 2024 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 30 | 25 |
| 2024 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2024 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2024 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 19 | 27 | 22 |
| 2024 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 27 | 21 |
| 2024 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 21 | 16 |
| 2024 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 21 | 15 |
| 2023 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 23 | 33 | 27 |
| 2023 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 30 | 25 |
| 2023 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2023 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 27 | 21 |
| 2023 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2023 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 19 | 27 | 22 |
| 2023 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 21 | 16 |
| 2023 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 21 | 15 |
| 2022 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 30 | 25 |
| 2022 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 23 | 33 | 27 |
| 2022 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 19 | 27 | 22 |
| 2022 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 27 | 21 |
| 2022 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2022 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2022 | Auto (S10), 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 22 | 16 |
| 2022 | Man 6-spd, 8 cyl, 6.2 L | 8 6.2L | Premium Gasoline | 13 | 21 | 15 |
| 2021 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 23 | 32 | 26 |
| 2021 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 31 | 25 |
| 2021 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 27 | 21 |
| 2021 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 19 | 28 | 22 |
| 2021 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2021 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2020 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 23 | 32 | 26 |
| 2020 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 31 | 25 |
| 2020 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 25 | 21 |
| 2020 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2020 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 17 | 25 | 20 |
| 2020 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 19 | 26 | 21 |
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 MPG FAQ
What is the MPG of the Cadillac CT5?
The Cadillac CT5 gets up to 27 MPG combined (23 city / 33 highway) in the 2026 model year. Fuel economy varies by engine and trim — see the full table above for details.
Which Cadillac CT5 trim has the best fuel economy?
The Auto (S10), 4 cyl, 2.0 L trim offers the best combined fuel economy at 27 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.