2020 Cadillac CT6 fuel economy
The EPA lists 2 versions of the 2020 Cadillac CT6. Combined fuel economy ranges from 17 to 21 MPG; the most efficient version is rated 18 city / 27 highway.
At a glance
- Combined
- 17 to 21 MPG depending on version
- City and highway
- 18 and 27 most efficient version
- Yearly fuel cost
- $3,200 EPA estimate, most efficient version
Source: U.S. EPA fueleconomy.gov
Every version the EPA tested
| Version | Engine | Drive | City | Highway | Combined | Yearly fuel cost |
|---|---|---|---|---|---|---|
| CT6 AWD Automatic (S10) | 6-cyl 3.6L | All-Wheel Drive | 18 | 27 | 21 MPG | $3,200 |
| CT6 AWD Automatic (S10) | 8-cyl 4.2L | All-Wheel Drive | 14 | 25 | 17 MPG | $4,850 |
At EPA assumptions, the most efficient version costs about $3,200 per year in fuel, versus $4,850 for the least efficient.