2025 · Small SUV · Gas
2025 Cadillac XT6 MPG & fuel economy
The 2025 Cadillac XT6 is a small SUV offered in 4 EPA-rated configurations. The most efficient version returns 21 MPG combined (19 city / 26 highway) on regular gasoline. Across the lineup, combined ratings range from 20 to 23 MPG. Efficiency is unchanged from the 2024 model. Among 133 small SUVs rated for 2025, it ranks 108th 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 2025 Cadillac XT6's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 11.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 26 | 11.1 | 9.0 |
| Combined | 21 | 8.9 | 11.2 |
How it ranks among 2025 Small SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
XT6 MPG across model years
Full history →4 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 3.6L 6-cyl · 9-speed automatic XT6 FWD |
Gas | 19 MPG | 26 MPG | 21 MPG | — | $2,214 |
| AWD · 3.6L 6-cyl · 9-speed automatic XT6 AWD |
Gas | 18 MPG | 25 MPG | 20 MPG | — | $2,325 |
| FWD · 2.0L 4-cyl turbo · 9-speed automatic XT6 FWD |
Gas | 21 MPG | 27 MPG | 23 MPG | — | $2,576 |
| AWD · 2.0L 4-cyl turbo · 9-speed automatic XT6 AWD |
Gas | 21 MPG | 26 MPG | 23 MPG | — | $2,576 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.6L 6-cyl
- Transmission
- 9-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 137 cu ft
- Cargo volume
- 13 cu ft
- Tailpipe CO₂
- 418 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2025 Cadillac XT6 vs. rivals
Compare the 2025 XT6
With any other car from any year, including other XT6 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2025 Cadillac XT6?
Up to 21 MPG combined (19 city / 26 highway); ratings range from 20 to 23 MPG depending on configuration.
What fuel does the 2025 Cadillac XT6 use?
Regular gasoline.
What is the fuel average in km/L for the 2025 Cadillac XT6?
The 2025 Cadillac XT6's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 11.1 km/L on the highway.
How much does it cost to fuel the 2025 Cadillac XT6 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.