- Gas
- Large cars
- MY2013–2019
Cadillac XTS MPG & Fuel Cost by Year
7 model years · 2013–2019
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cadillac XTS fuel economy at a glance
EPA has rated the Cadillac XTS for 7 model years, 2013 to 2019. Across those years its combined rating runs 18–22 MPG. The latest model year, 2019, has 3 configurations rated 18–22 MPG combined and costing $3,000–$4,380 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2013 is the 2019 XTS 3.6L 6-cyl FWD, at 22 MPG.
Cadillac XTS MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2013-2019 (2013) Generation page | ||
| 2019 | 18–22 | $3,000–$4,380 |
| 2018 | 18–22 | $2,950–$4,380 |
| 2017 | 18–22 | $3,030–$3,560 |
| 2016 | 18–21 | $3,040–$4,380 |
| 2015 | 19–21 | $3,080–$3,490 |
| 2014 | 19–21 | $3,070–$4,290 |
| 2013 | 20–21 | $3,160–$3,290 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Cadillac XTS generations
1 generations between 2013 and 2019. Open one for the table of every model year and configuration.
2019 powertrain options
More Cadillac models
Frequently asked questions
What is the Cadillac XTS's gas mileage by year?
EPA combined ratings for the Cadillac XTS run 18–22 MPG across model years 2013 to 2019. The latest year, 2019, is rated 18–22 MPG.
Which Cadillac XTS model year has the best gas mileage?
The 2019 Cadillac XTS XTS 3.6L 6-cyl FWD has the highest combined rating since 2013, at 22 MPG.
How much does a Cadillac XTS cost to fuel per year?
For MY2019, EPA-rated configurations cost $3,000–$4,380 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,000.
Has the Cadillac XTS's fuel economy improved over time?
Yes. The most efficient configuration moved from 21 MPG in 2013 to 22 MPG in 2019, 1 MPG more.