MPG AtlasCadillac XT6 MPG
EPA fuel economy for 22 Cadillac XT6 trims sold from 2020 to 2025. Best ever: 23 MPG (2025 XT6 AWD). Latest model year 2025: 20 to 23 MPG combined across 4 trims.
Cadillac XT6 fuel cost calculator
Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.
At $4.16 a gallon for regular, $5.16 for premium and 15,000 miles a year, the cheapest 2025 Cadillac XT6 to fuel is the XT6 FWD, 3.6 L, 6 cyl (21 MPG) at $2,970 a year. The XT6 FWD, 2.0 L, 4 cyl (23 MPG) costs $3,370, so the thriftier trim saves $400 a year and $2,000 over five years.
| 2025 trim | Engine | Transmission | Drive | Fuel | Comb | Cost/yr | vs cheapest |
|---|---|---|---|---|---|---|---|
| XT6 FWD | 3.6 L, 6 cyl | Auto (S9) | FWD | Regular | 21 | $2,970 | cheapest |
| XT6 AWD | 3.6 L, 6 cyl | Auto (S9) | AWD | Regular | 20 | $3,120 | +$150 |
| XT6 AWD | 2.0 L, 4 cyl | Auto (S9) | AWD | Premium | 23 | $3,370 | +$390 |
| XT6 FWD | 2.0 L, 4 cyl | Auto (S9) | FWD | Premium | 23 | $3,370 | +$390 |
Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.
Cadillac XT6 MPG by year
| Year | Best combined | City | Hwy | Best trim that year | Trims |
|---|---|---|---|---|---|
| 2025 | 23 | 21 | 26 | XT6 AWD, 2.0 L, 4 cyl, Auto (S9) | 4 |
| 2024 | 23 | 21 | 26 | XT6 AWD, 2.0 L, 4 cyl, Auto (S9) | 4 |
| 2023 | 23 | 21 | 26 | XT6 AWD, 2.0 L, 4 cyl, Auto (S9) | 4 |
| 2022 | 23 | 21 | 26 | XT6 AWD, 2.0 L, 4 cyl, Auto (S9) | 4 |
| 2021 | 23 | 21 | 26 | XT6 AWD, 2.0 L, 4 cyl, Auto (S9) | 4 |
| 2020 | 20 | 17 | 24 | XT6 AWD, 3.6 L, 6 cyl, Auto (S9) | 2 |
Every Cadillac XT6 trim
| Year | Trim | Engine | Transmission | Drive | Fuel | City | Hwy | Comb | CO2 g/mi | Fuel cost/yr |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | XT6 AWD | 2.0 L, 4 cyl | Auto (S9) | AWD | Premium | 21 | 26 | 23 | 386 | $3,370 |
| 2025 | XT6 FWD | 2.0 L, 4 cyl | Auto (S9) | FWD | Premium | 21 | 27 | 23 | 386 | $3,370 |
| 2025 | XT6 FWD | 3.6 L, 6 cyl | Auto (S9) | FWD | Regular | 19 | 26 | 21 | 418 | $2,970 |
| 2025 | XT6 AWD | 3.6 L, 6 cyl | Auto (S9) | AWD | Regular | 18 | 25 | 20 | 435 | $3,120 |
| 2024 | XT6 AWD | 2.0 L, 4 cyl | Auto (S9) | AWD | Premium | 21 | 26 | 23 | 386 | $3,370 |
| 2024 | XT6 FWD | 2.0 L, 4 cyl | Auto (S9) | FWD | Premium | 21 | 27 | 23 | 386 | $3,370 |
| 2024 | XT6 AWD | 3.6 L, 6 cyl | Auto (S9) | AWD | Regular | 18 | 25 | 21 | 433 | $2,970 |
| 2024 | XT6 FWD | 3.6 L, 6 cyl | Auto (S9) | FWD | Regular | 19 | 26 | 21 | 418 | $2,970 |
| 2023 | XT6 AWD | 2.0 L, 4 cyl | Auto (S9) | AWD | Premium | 21 | 26 | 23 | 386 | $3,370 |
| 2023 | XT6 FWD | 2.0 L, 4 cyl | Auto (S9) | FWD | Premium | 21 | 27 | 23 | 386 | $3,370 |
| 2023 | XT6 AWD | 3.6 L, 6 cyl | Auto (S9) | AWD | Regular | 18 | 25 | 21 | 433 | $2,970 |
| 2023 | XT6 FWD | 3.6 L, 6 cyl | Auto (S9) | FWD | Regular | 19 | 26 | 21 | 419 | $2,970 |
| 2022 | XT6 AWD | 2.0 L, 4 cyl | Auto (S9) | AWD | Premium | 21 | 26 | 23 | 386 | $3,370 |
| 2022 | XT6 FWD | 2.0 L, 4 cyl | Auto (S9) | FWD | Premium | 21 | 27 | 23 | 386 | $3,370 |
| 2022 | XT6 AWD | 3.6 L, 6 cyl | Auto (S9) | AWD | Regular | 18 | 25 | 21 | 433 | $2,970 |
| 2022 | XT6 FWD | 3.6 L, 6 cyl | Auto (S9) | FWD | Regular | 19 | 26 | 21 | 419 | $2,970 |
| 2021 | XT6 AWD | 2.0 L, 4 cyl | Auto (S9) | AWD | Premium | 21 | 26 | 23 | 386 | $3,370 |
| 2021 | XT6 FWD | 2.0 L, 4 cyl | Auto (S9) | FWD | Premium | 21 | 27 | 23 | 386 | $3,370 |
| 2021 | XT6 AWD | 3.6 L, 6 cyl | Auto (S9) | AWD | Regular | 18 | 25 | 21 | 433 | $2,970 |
| 2021 | XT6 FWD | 3.6 L, 6 cyl | Auto (S9) | FWD | Regular | 19 | 26 | 21 | 418 | $2,970 |
| 2020 | XT6 AWD | 3.6 L, 6 cyl | Auto (S9) | AWD | Regular | 17 | 24 | 20 | 446 | $3,120 |
| 2020 | XT6 FWD | 3.6 L, 6 cyl | Auto (S9) | FWD | Regular | 18 | 25 | 20 | 437 | $3,120 |
CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).
Compare with other 2025 Small Sport Utility Vehicle 4WD
| Vehicle | Combined | City | Hwy |
|---|---|---|---|
| 2025 Tesla Model Y Long Range AWD | 117 | 123 | 111 |
| 2025 Volvo EX30 Twin Performance (19 Inch Wheels) | 109 | 116 | 100 |
| 2025 Lexus RZ 450e AWD (18 inch wheels) | 107 | 115 | 98 |
| 2025 Hyundai Ioniq 5 AWD (19 inch Wheels) | 106 | 116 | 96 |
| 2025 Kia EV6 Long Range AWD (19 inch Wheels) | 106 | 117 | 95 |
| 2025 Ford Mustang Mach-E AWD Extended | 104 | 110 | 98 |
All Small Sport Utility Vehicle 4WD ranked by MPG
Questions people ask
What is the best MPG for a Cadillac XT6?
The most efficient Cadillac XT6 the EPA has rated is the 2025 XT6 AWD at 23 MPG combined (21 city, 26 highway).
What MPG does the 2025 Cadillac XT6 get?
2025 Cadillac XT6 trims range from 20 to 23 MPG combined, depending on engine, transmission and drivetrain.
Which Cadillac XT6 has the worst fuel economy?
The 2025 XT6 AWD is the lowest rated at 20 MPG combined.
How much does it cost to fuel a Cadillac XT6 for a year?
At $4.16 a gallon for regular, $5.16 for premium and 15,000 miles a year, the cheapest 2025 Cadillac XT6 to fuel is the XT6 FWD, 3.6 L, 6 cyl (21 MPG) at $2,970 a year. The XT6 FWD, 2.0 L, 4 cyl (23 MPG) costs $3,370, so the thriftier trim saves $400 a year and $2,000 over five years.
More from Cadillac: every Cadillac model. Fuel types on this model: Premium, Regular. EPA classes: Small Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD.