Cadillac XTS Limo MPG & Fuel Economy

The 2019 Cadillac XTS Limo gets up to 17 MPG combined (15 city / 21 highway) in EPA testing.

Latest model year (2019):

The Cadillac XTS Limo gets up to 17 MPG combined (15 city / 21 highway) in the Auto (S6), 6 cyl, 3.6 L trim.

Verifiedfueleconomy.gov · Verified August 11, 2026

Cadillac XTS Limo MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2019Auto (S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline152117
2018Auto (S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline152117
2017Auto (S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline152117
2016Auto (S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline152117
2015Auto (S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline152117

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Cadillac XTS Limo MPG FAQ

What is the MPG of the Cadillac XTS Limo?

The Cadillac XTS Limo gets up to 17 MPG combined (15 city / 21 highway) in the 2019 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Cadillac XTS Limo trim has the best fuel economy?

The Auto (S6), 6 cyl, 3.6 L trim offers the best combined fuel economy at 17 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

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