Cadillac ATS Vehicle Class & Size

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.
2019Config 1 of 6Auto (S8), 4 cyl, 2.0 LCompact CarsAll-Wheel DrivePremium Gasoline24
2019Config 2 of 6Auto (S8), 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline25
2019Config 3 of 6Auto (S8), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline21
2019Config 4 of 6Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DrivePremium Gasoline20
2019Config 5 of 6Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline23
2019Config 6 of 6Man 6-spd, 6 cyl, 3.6 LCompact CarsRear-Wheel DrivePremium Gasoline19
2018Config 1 of 5Auto (S8), 4 cyl, 2.0 LCompact CarsAll-Wheel DrivePremium Gasoline25
2018Config 2 of 5Auto (S8), 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline25
2018Config 3 of 5Auto (S8), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline22
2018Config 4 of 5Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline24
2018Config 5 of 5Man 6-spd, 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline23
2017Config 1 of 6Auto (S8), 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline25
2017Config 2 of 6Auto (S8), 4 cyl, 2.0 LCompact CarsAll-Wheel DrivePremium Gasoline25
2017Config 3 of 6Auto (S8), 4 cyl, 2.5 LCompact CarsRear-Wheel DriveRegular Gasoline26
2017Config 4 of 6Auto (S8), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline22
2017Config 5 of 6Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline24
2017Config 6 of 6Man 6-spd, 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline23
2016Config 1 of 6Auto (S8), 4 cyl, 2.0 LCompact CarsAll-Wheel DrivePremium Gasoline25
2016Config 2 of 6Auto (S8), 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline25
2016Config 3 of 6Auto (S8), 4 cyl, 2.5 LCompact CarsRear-Wheel DriveRegular Gasoline26
2016Config 4 of 6Auto (S8), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline22
2016Config 5 of 6Auto (S8), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline24
2016Config 6 of 6Man 6-spd, 4 cyl, 2.0 LCompact CarsRear-Wheel DrivePremium Gasoline23
2015Config 1 of 6Auto (S6), 4 cyl, 2.0 LCompact CarsRear-Wheel DriveRegular Gasoline24
2015Config 2 of 6Auto (S6), 4 cyl, 2.0 LCompact CarsAll-Wheel DriveRegular Gasoline23
2015Config 3 of 6Auto (S6), 4 cyl, 2.5 LCompact CarsRear-Wheel DriveRegular Gasoline25
2015Config 4 of 6Auto (S6), 6 cyl, 3.6 LCompact CarsRear-Wheel DriveRegular Gasoline22
2015Config 5 of 6Auto (S6), 6 cyl, 3.6 LCompact CarsAll-Wheel DriveRegular Gasoline21
2015Config 6 of 6Man 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 data analysis

How to read this Cadillac ATS data

This page lists every 2015 through 2019 Cadillac ATS record we hold for this measurement — 29 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Where these Cadillac ATS figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Cadillac ATS record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Frequently Asked Questions About ATS Vehicle Class

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.

View full Cadillac ATS specs

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