Cadillac CT4: MPG and fuel economy by year
The EPA has rated the Cadillac CT4 across 7 model years, from the 2020 Cadillac CT4 through the 2026 Cadillac CT4. The most recent 2026 Cadillac CT4 returns 26 combined MPG. The most efficient model year was the 2023 Cadillac CT4 at 27 MPG.
Pick a year below to open the full Cadillac CT4 page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Cadillac CT4. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 Cadillac CT4 | 26 MPG | 22 MPG | 32 MPG | $2,650 |
| 2025 | 2025 Cadillac CT4 | 26 MPG | 22 MPG | 32 MPG | $2,650 |
| 2024 | 2024 Cadillac CT4 | 26 MPG | 22 MPG | 32 MPG | $2,650 |
| 2023 | 2023 Cadillac CT4 | 27 MPG | 23 MPG | 34 MPG | $2,550 |
| 2022 | 2022 Cadillac CT4 | 27 MPG | 23 MPG | 34 MPG | $2,550 |
| 2021 | 2021 Cadillac CT4 | 27 MPG | 23 MPG | 34 MPG | $2,550 |
| 2020 | 2020 Cadillac CT4 | 27 MPG | 23 MPG | 34 MPG | $2,550 |
How the Cadillac CT4 compares against the Compact Cars class
Buyers usually compare the Cadillac CT4 against other cars in the same EPA class. The list below shows the most efficient cars in the Compact Cars class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.