# Cadillac XT6 specs and mpg by year

- **Latest year:** 2025
- **MPG (combined):** 20-23
- **Drive:** AWD, FWD
- **Years covered:** 2020-2025

## Quick answer

The 2025 Cadillac XT6 is a small SUV rated at 20-23 mpg combined. Engines: 2.0L 4-cyl turbo; 3.6L V6.

## Every 2025 Cadillac XT6 version

| Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| XT6 FWD | 2.0L 4-cyl turbo | FWD | Automatic | 21/27 | 23 mpg | $3,550 | 386 g/mi |
| XT6 AWD | 2.0L 4-cyl turbo | AWD | Automatic | 21/26 | 23 mpg | $3,550 | 386 g/mi |
| XT6 FWD | 3.6L V6 | FWD | Automatic | 19/26 | 21 mpg | $3,200 | 418 g/mi |
| XT6 AWD | 3.6L V6 | AWD | Automatic | 18/25 | 20 mpg | $3,350 | 435 g/mi |

Each row is a version the EPA tested. Fuel cost assumes 15,000 miles a year (55% city) at national average prices; CO2 is tailpipe emissions.

## Cadillac XT6 specs by year

| Year | Engines | Transmission | Drive | MPG (combined) |
| --- | --- | --- | --- | --- |
| 2025 | 2.0L 4-cyl turbo; 3.6L V6 | Automatic | AWD, FWD | 20-23 |
| 2024 | 2.0L 4-cyl turbo; 3.6L V6 | Automatic | AWD, FWD | 21-23 |
| 2023 | 3.6L V6; 2.0L 4-cyl turbo | Automatic | AWD, FWD | 21-23 |
| 2022 | 3.6L V6; 2.0L 4-cyl turbo | Automatic | AWD, FWD | 21-23 |
| 2021 | 2.0L 4-cyl turbo; 3.6L V6 | Automatic | AWD, FWD | 21-23 |
| 2020 | 3.6L V6 | Automatic | AWD, FWD | 20 |

EPA combined ratings. MPGe is the EPA efficiency measure for electric cars. Ranges cover every engine and drivetrain EPA tested for that year.

## How has the XT6 changed over the years?

- **2025:** combined mpg went from 21-23 to 20-23.
- **2021:** added 2.0L 4-cyl turbo.

## Frequently asked questions

### What mpg does the 2025 Cadillac XT6 get?

The 2025 Cadillac XT6 is EPA-rated at 20-23 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load.

### What engine does the 2025 Cadillac XT6 have?

The 2025 Cadillac XT6 comes with: 2.0L 4-cyl turbo; 3.6L V6. It uses automatic transmission and is offered with AWD and FWD.

### Is there a hybrid Cadillac XT6?

No. In the EPA data from 2020-2025 the Cadillac XT6 has no hybrid version.

### Which Cadillac XT6 year gets the best gas mileage?

In the EPA data, the 2025 Cadillac XT6 has the highest combined rating, up to 23 mpg. Ratings for the same model can change between years when engines or test procedures change.

### How much does it cost to fuel a 2025 Cadillac XT6 for a year?

About $3,200-$3,550 a year, using the EPA's assumptions of 15,000 miles (55% city, 45% highway) at national average fuel prices. Your cost depends on your local prices, mileage and driving style.

### What is the city and highway mpg of the 2025 Cadillac XT6?

The most efficient 2025 version, the XT6 FWD, is rated 21 mpg city and 27 mpg highway (23 combined). Other engines and drivetrains are rated lower; the versions table above lists each one.

### How much CO2 does the 2025 Cadillac XT6 emit?

EPA rates its tailpipe CO2 at 386-435 grams per mile depending on version. Lower is better; the cleanest gas cars sit under 250 g/mi and electric cars have none at the tailpipe.

### Does the 2025 Cadillac XT6 come with all-wheel drive?

Yes. The 2025 Cadillac XT6 is offered with AWD and FWD. All- or four-wheel drive usually costs 1-3 mpg compared with the two-wheel-drive version of the same engine, as the versions table shows.

## Sources

- [fueleconomy.gov (US DOE and EPA)](https://www.fueleconomy.gov/)

## All Cadillac SUVs

- [Cadillac LYRIQ](https://diagxcar.com/vehicles/cadillac-lyriq)
- [Cadillac XT5](https://diagxcar.com/vehicles/cadillac-xt5)
- [Cadillac Escalade](https://diagxcar.com/vehicles/cadillac-escalade)

## More Cadillac models

- [Cadillac CT4](https://diagxcar.com/vehicles/cadillac-ct4)
- [Cadillac CT5](https://diagxcar.com/vehicles/cadillac-ct5)
- [Cadillac XT4](https://diagxcar.com/vehicles/cadillac-xt4): discontinued

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## Car care

- [How long do tires last?](https://diagxcar.com/how-long/tires)
- [How often to change oil](https://diagxcar.com/how-often/change-oil)
- [Tire size calculator](https://diagxcar.com/tools/tire-size-calculator)

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Source page: https://diagxcar.com/vehicles/cadillac-xt6
Updated: 2026-11-03
General information, not a substitute for a qualified mechanic.