2017 · Large Car · Gas
2017 Cadillac CT6 MPG & fuel economy
The 2017 Cadillac CT6 is a large car offered in 3 EPA-rated configurations. The most efficient version returns 21 MPG combined (18 city / 27 highway) on regular gasoline. Across the lineup, combined ratings range from 21 to 25 MPG. That's down 4 MPG from the 2016 model. Among 30 large cars rated for 2017, it ranks 18th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,214 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2017 Cadillac CT6's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 7.7 km/L in the city and 11.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 18 | 7.7 | 13.1 |
| Highway | 27 | 11.5 | 8.7 |
| Combined | 21 | 8.9 | 11.2 |
How it ranks among 2017 Large Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
CT6 MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 3.6L 6-cyl · 8-speed automatic CT6 AWD |
Gas | 18 MPG | 27 MPG | 21 MPG | — | $2,214 |
| RWD · 2.0L 4-cyl turbo · 8-speed automatic CT6 |
Gas | 22 MPG | 30 MPG | 25 MPG | — | $2,370 |
| AWD · 3.0L 6-cyl turbo · 8-speed automatic CT6 AWD |
Gas | 18 MPG | 26 MPG | 21 MPG | — | $2,821 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.6L 6-cyl
- Transmission
- 8-speed automatic
- Drivetrain
- AWD
- Passenger volume
- 110 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 417 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2017 Cadillac CT6 vs. rivals
Compare the 2017 CT6
With any other car from any year, including other CT6 model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2017 Cadillac CT6 Plug-in Hybrid (62 MPGe + 26 MPG)
Frequently asked questions
What is the gas mileage of the 2017 Cadillac CT6?
Up to 21 MPG combined (18 city / 27 highway); ratings range from 21 to 25 MPG depending on configuration.
What fuel does the 2017 Cadillac CT6 use?
Regular gasoline.
What is the fuel average in km/L for the 2017 Cadillac CT6?
The 2017 Cadillac CT6's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 7.7 km/L in the city and 11.5 km/L on the highway.
How much does it cost to fuel the 2017 Cadillac CT6 per year?
About $2,214 at 15,000 miles a year with $3.10/gal regular gas, or $14.76 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.