Cadillac ATS MPG & Fuel Economy

The 2019 Cadillac ATS gets up to 26 MPG combined (22 city / 32 highway) in EPA testing.

Latest model year (2019):

The Cadillac ATS gets up to 25 MPG combined (22 city / 30 highway) in the Auto (S8), 4 cyl, 2.0 L trim.

Verifiedfueleconomy.gov · Verified August 11, 2026

Cadillac ATS MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2019Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline212924
2019Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223025
2019Auto (S8), 6 cyl, 3.6 L6 3.6LRegular Gasoline182621
2019Auto (S8), 6 cyl, 3.6 L6 3.6LPremium Gasoline172520
2019Auto (S8), 6 cyl, 3.6 L6 3.6LRegular Gasoline192923
2019Man 6-spd, 6 cyl, 3.6 L6 3.6LPremium Gasoline162319
2018Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223025
2018Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223125
2018Auto (S8), 6 cyl, 3.6 L6 3.6LRegular Gasoline192722
2018Auto (S8), 6 cyl, 3.6 L6 3.6LRegular Gasoline203024
2018Man 6-spd, 4 cyl, 2.0 L4 2.0LPremium Gasoline202923
2017Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223125
2017Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223025
2017Auto (S8), 4 cyl, 2.5 L4 2.5LRegular Gasoline223226
2017Auto (S8), 6 cyl, 3.6 L6 3.6LRegular Gasoline192722
2017Auto (S8), 6 cyl, 3.6 L6 3.6LRegular Gasoline203024
2017Man 6-spd, 4 cyl, 2.0 L4 2.0LPremium Gasoline202923
2016Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223025
2016Auto (S8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223125
2016Auto (S8), 4 cyl, 2.5 L4 2.5LRegular Gasoline223226
2016Auto (S8), 6 cyl, 3.6 L6 3.6LRegular Gasoline192722
2016Auto (S8), 6 cyl, 3.6 L6 3.6LRegular Gasoline202924
2016Man 6-spd, 4 cyl, 2.0 L4 2.0LPremium Gasoline202823
2015Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline212924
2015Auto (S6), 4 cyl, 2.0 L4 2.0LRegular Gasoline202723
2015Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline213225
2015Auto (S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline182722
2015Auto (S6), 6 cyl, 3.6 L6 3.6LRegular Gasoline182621
2015Man 6-spd, 4 cyl, 2.0 L4 2.0LRegular Gasoline192923

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 ATS MPG FAQ

What is the MPG of the Cadillac ATS?

The Cadillac ATS gets up to 26 MPG combined (22 city / 32 highway) in the 2019 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Cadillac ATS trim has the best fuel economy?

The Auto (S8), 4 cyl, 2.5 L trim offers the best combined fuel economy at 26 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

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