- Gas
- Midsize cars
- MY2020–2026
Cadillac CT5 MPG & Fuel Cost by Year
7 model years · 2020–2026
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cadillac CT5 fuel economy at a glance
EPA has rated the Cadillac CT5 for 7 model years, 2020 to 2026. Across those years its combined rating runs 15–27 MPG. The latest model year, 2026, has 8 configurations rated 15–26 MPG combined and costing $3,140–$5,300 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2020 is the 2024 CT5 2.0L 4-cyl turbo RWD, at 27 MPG.
Cadillac CT5 MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2020-2026 (2020) Generation page | ||
| 2026 | 15–26 | $3,140–$5,300 |
| 2025 | 15–26 | $3,090–$5,300 |
| 2024 | 15–27 | $3,020–$5,360 |
| 2023 | 15–27 | $3,020–$5,360 |
| 2022 | 15–27 | $3,020–$5,190 |
| 2021 | 21–26 | $3,070–$3,830 |
| 2020 | 20–26 | $3,070–$4,020 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Cadillac CT5 generations
1 generations between 2020 and 2026. Open one for the table of every model year and configuration.
2026 powertrain options
More Cadillac models
Frequently asked questions
What is the Cadillac CT5's gas mileage by year?
EPA combined ratings for the Cadillac CT5 run 15–27 MPG across model years 2020 to 2026. The latest year, 2026, is rated 15–26 MPG.
Which Cadillac CT5 model year has the best gas mileage?
The 2024 Cadillac CT5 CT5 2.0L 4-cyl turbo RWD has the highest combined rating since 2020, at 27 MPG.
How much does a Cadillac CT5 cost to fuel per year?
For MY2026, EPA-rated configurations cost $3,140–$5,300 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,140.
Has the Cadillac CT5's fuel economy improved over time?
Not much. The most efficient configuration is rated 26 MPG in both 2020 and 2026.