Cadillac · 2020–2025 · Gas
Cadillac XT6 MPG by year
The EPA has rated 6 model years of the Cadillac XT6, from 2020 to 2025. The most fuel-efficient year is the 2025, at 21 MPG combined in its best configuration. The best 2025 model is 5% more efficient than the best 2020 model (21 vs. 20 MPG). The 2025 model is 22% less efficient than the median small SUV that year (21 vs. 27 MPG).
Combined MPG by model year
- XT6, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every XT6 model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2025 | Gas | 21 MPG lowest 20 |
19 / 26 | 27 | — | 4 | $2,214 |
| 2024 | Gas | 21 MPG lowest 21 |
19 / 26 | 26 | — | 4 | $2,214 |
| 2023 | Gas | 21 MPG lowest 21 |
19 / 26 | 26 | — | 4 | $2,214 |
| 2022 | Gas | 21 MPG lowest 21 |
19 / 26 | 26 | — | 4 | $2,214 |
| 2021 | Gas | 21 MPG lowest 21 |
19 / 26 | 26 | — | 4 | $2,214 |
| 2020 | Gas | 20 MPG | 18 / 25 | 25 | — | 2 | $2,325 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare XT6 model years
See how much a newer XT6 would save over an older one.
Models similar to the Cadillac XT6
Frequently asked questions
Which Cadillac XT6 year has the best fuel economy?
The 2021 Cadillac XT6, rated up to 21 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $2,214 a year.
Which Cadillac XT6 year has the worst fuel economy?
The 2020 model, whose most efficient version is rated 20 MPG combined (about $2,325 a year to fuel).
What is the fuel economy of the latest Cadillac XT6?
The 2025 Cadillac XT6 is rated up to 21 MPG combined.