Cadillac XT6 MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Cadillac XT6 model year from 2020 to 2025 — each engine and transmission with its official city, highway and combined figures. Over these years the XT6 has been offered with 2.0L 4-cyl, 3.6L 6-cyl engines; the most efficient version is the 2025 (up to 23 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Cadillac XT6 fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2025 | 20–23 MPG | 2.0L 4-cyl, 3.6L 6-cyl | $39,615 | 43 listings |
| 2024 | 21–23 MPG | 2.0L 4-cyl, 3.6L 6-cyl | $42,225 | 254 listings |
| 2023 | 21–23 MPG | 2.0L 4-cyl, 3.6L 6-cyl | $37,111 | 40 listings |
| 2022 | 21–23 MPG | 2.0L 4-cyl, 3.6L 6-cyl | $31,632 | 133 listings |
| 2021 | 21–23 MPG | 2.0L 4-cyl, 3.6L 6-cyl | $27,742 | 18 listings |
| 2020 | 20 MPG | 3.6L 6-cyl | $24,900 | 41 listings |
2025 Cadillac XT6: engines & MPG
The 2025 XT6 was EPA-rated in 4 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 20 to 23 MPG. Used 2025 models currently list for a median of $39,615 on VehiSales (43 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| XT6 FWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 27 | 23 MPG |
| XT6 AWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 26 | 23 MPG |
| XT6 FWD | 3.6L 6-cyl | Automatic (S9) | Regular | 19 | 26 | 21 MPG |
| XT6 AWD | 3.6L 6-cyl | Automatic (S9) | Regular | 18 | 25 | 20 MPG |
2024 Cadillac XT6: engines & MPG
The 2024 XT6 was EPA-rated in 4 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 21 to 23 MPG. Used 2024 models currently list for a median of $42,225 on VehiSales (254 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| XT6 AWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 26 | 23 MPG |
| XT6 FWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 27 | 23 MPG |
| XT6 FWD | 3.6L 6-cyl | Automatic (S9) | Regular | 19 | 26 | 21 MPG |
| XT6 AWD | 3.6L 6-cyl | Automatic (S9) | Regular | 18 | 25 | 21 MPG |
2023 Cadillac XT6: engines & MPG
The 2023 XT6 was EPA-rated in 4 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 21 to 23 MPG. Used 2023 models currently list for a median of $37,111 on VehiSales (40 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| XT6 FWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 27 | 23 MPG |
| XT6 AWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 26 | 23 MPG |
| XT6 FWD | 3.6L 6-cyl | Automatic (S9) | Regular | 19 | 26 | 21 MPG |
| XT6 AWD | 3.6L 6-cyl | Automatic (S9) | Regular | 18 | 25 | 21 MPG |
2022 Cadillac XT6: engines & MPG
The 2022 XT6 was EPA-rated in 4 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 21 to 23 MPG. Used 2022 models currently list for a median of $31,632 on VehiSales (133 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| XT6 FWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 27 | 23 MPG |
| XT6 AWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 26 | 23 MPG |
| XT6 FWD | 3.6L 6-cyl | Automatic (S9) | Regular | 19 | 26 | 21 MPG |
| XT6 AWD | 3.6L 6-cyl | Automatic (S9) | Regular | 18 | 25 | 21 MPG |
2021 Cadillac XT6: engines & MPG
The 2021 XT6 was EPA-rated in 4 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 21 to 23 MPG. Used 2021 models currently list for a median of $27,742 on VehiSales (18 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| XT6 AWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 26 | 23 MPG |
| XT6 FWD | 2.0L 4-cyl | Automatic (S9) | Premium | 21 | 27 | 23 MPG |
| XT6 FWD | 3.6L 6-cyl | Automatic (S9) | Regular | 19 | 26 | 21 MPG |
| XT6 AWD | 3.6L 6-cyl | Automatic (S9) | Regular | 18 | 25 | 21 MPG |
2020 Cadillac XT6: engines & MPG
The 2020 XT6 was EPA-rated in 2 versions (3.6L 6-cyl), with combined economy of 20 MPG. Used 2020 models currently list for a median of $24,900 on VehiSales (41 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| XT6 FWD | 3.6L 6-cyl | Automatic (S9) | Regular | 18 | 25 | 20 MPG |
| XT6 AWD | 3.6L 6-cyl | Automatic (S9) | Regular | 17 | 24 | 20 MPG |
Frequently asked questions
What MPG does a Cadillac XT6 get?
Depending on year and engine, EPA combined ratings for the XT6 range from 20 to 23 MPG. The most efficient rated version is the 2025 model year.
What engines does the 2025 Cadillac XT6 have?
The 2025 XT6 was EPA-rated with 2.0L 4-cyl, 3.6L 6-cyl engines — see the 2025 table above for each version's exact city/highway figures.
Does the Cadillac XT6 require premium gas?
Some versions do: EPA lists premium gasoline and regular gasoline depending on year and engine — check your year's table above.
https://vehisales.com/research/fuel-economy/cadillac/xt6.
See also: Cadillac XT6 hub — live listings, prices & reliability · Used Cadillac XT6 prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].