Cadillac ATS Vehicle Class & EPA Size Category

The EPA classifies the 2019 Cadillac ATS as a Compact Cars, a rating based on body style and interior volume.

Latest model year (2019):

The Cadillac ATS is classified by the EPA as a Compact Cars.

Verifiedfueleconomy.gov · Verified August 11, 2026

Cadillac ATS Vehicle Class — All Years

YearTrimVehicle ClassDriveFuel TypeMPG Comb.
2019Auto (S8), 4 cyl, 2.0 LCompact CarsAll-Wheel DrivePremium Gasoline24
2019Auto (S8), 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline25
2019Auto (S8), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline21
2019Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DrivePremium Gasoline20
2019Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline23
2019Man 6-spd, 6 cyl, 3.6 LCompact CarsRear-Wheel DrivePremium Gasoline19
2018Auto (S8), 4 cyl, 2.0 LCompact CarsAll-Wheel DrivePremium Gasoline25
2018Auto (S8), 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline25
2018Auto (S8), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline22
2018Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline24
2018Man 6-spd, 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline23
2017Auto (S8), 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline25
2017Auto (S8), 4 cyl, 2.0 LCompact CarsAll-Wheel DrivePremium Gasoline25
2017Auto (S8), 4 cyl, 2.5 LCompact CarsRear-Wheel DriveRegular Gasoline26
2017Auto (S8), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline22
2017Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline24
2017Man 6-spd, 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline23
2016Auto (S8), 4 cyl, 2.0 LCompact CarsAll-Wheel DrivePremium Gasoline25
2016Auto (S8), 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline25
2016Auto (S8), 4 cyl, 2.5 LCompact CarsRear-Wheel DriveRegular Gasoline26
2016Auto (S8), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline22
2016Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline24
2016Man 6-spd, 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline23
2015Auto (S6), 4 cyl, 2.0 LCompact CarsRear-Wheel DriveRegular Gasoline24
2015Auto (S6), 4 cyl, 2.0 LCompact CarsAll-Wheel DriveRegular Gasoline23
2015Auto (S6), 4 cyl, 2.5 LCompact CarsRear-Wheel DriveRegular Gasoline25
2015Auto (S6), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline22
2015Auto (S6), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline21
2015Man 6-spd, 4 cyl, 2.0 LCompact CarsRear-Wheel DriveRegular Gasoline23

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 Vehicle Class FAQ

What class of vehicle is the Cadillac ATS?

The EPA classifies the Cadillac ATS as a Compact Cars. This classification is based on interior volume and body style and affects how its fuel economy is compared with other vehicles.

Is the Cadillac ATS considered a small or large vehicle?

Based on its EPA class (Compact Cars), the Cadillac ATS is grouped with vehicles of similar size and interior volume. The class can change between model years when the body is redesigned.

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