Cadillac CT6 MPG & Fuel Economy
The 2020 Cadillac CT6 gets up to 28 MPG combined (24 city / 34 highway) in EPA testing.
Latest model year (2020):
The Cadillac CT6 gets up to 21 MPG combined (18 city / 27 highway) in the Auto (S10), 6 cyl, 3.6 L trim.
Cadillac CT6 MPG — All Years
| Year | Trim | Engine | Fuel | City (MPG) | Hwy (MPG) | Combined (MPG) |
|---|---|---|---|---|---|---|
| 2020 | Auto (S10), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 27 | 21 |
| 2020 | Auto (S10), 8 cyl, 4.2 L | 8 4.2L | Premium Gasoline | 14 | 25 | 17 |
| 2019 | Auto (S10), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 24 | 34 | 28 |
| 2019 | Auto (S10), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2019 | Auto (S10), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 27 | 21 |
| 2019 | Auto (S10), 8 cyl, 4.2 L | 8 4.2L | Premium Gasoline | 14 | 25 | 17 |
| 2018 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 30 | 25 |
| 2018 | Auto (S8), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2018 | Auto (S8), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 27 | 21 |
| 2018 | Auto (variable gear ratios), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 23 | 29 | 25 |
| 2017 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 30 | 25 |
| 2017 | Auto (S8), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2017 | Auto (S8), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 27 | 21 |
| 2017 | Auto (variable gear ratios), 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 23 | 29 | 26 |
| 2016 | Auto (S8), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 22 | 30 | 25 |
| 2016 | Auto (S8), 6 cyl, 3.0 L | 6 3.0L | Premium Gasoline | 18 | 26 | 21 |
| 2016 | Auto (S8), 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 18 | 27 | 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 CT6 MPG FAQ
What is the MPG of the Cadillac CT6?
The Cadillac CT6 gets up to 28 MPG combined (24 city / 34 highway) in the 2020 model year. Fuel economy varies by engine and trim — see the full table above for details.
Which Cadillac CT6 trim has the best fuel economy?
The Auto (S10), 4 cyl, 2.0 L trim offers the best combined fuel economy at 28 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.