2026 Cadillac CT4
The EPA lists 8 versions of the 2026 Cadillac CT4. Combined fuel economy ranges from 18 to 26 MPG; the most efficient version is rated 22 city / 32 highway.
At a glance
- Fuel economy
- 18 to 26 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Fuel economy
The EPA lists 8 versions of the 2026 Cadillac CT4. Combined fuel economy ranges from 18 to 26 MPG; the most efficient version is rated 22 city / 32 highway.