AutoSpecData

GMC Terrain Vehicle Class & Size

The EPA classifies the 2027 GMC Terrain as a Small Sport Utility Vehicle 4WD / Small Sport Utility Vehicle 2WD, a rating based on body style and interior volume.

Latest model year (2027):

The GMC Terrain is classified by the EPA as a Small Sport Utility Vehicle 4WD / Small Sport Utility Vehicle 2WD.

Verifiedfueleconomy.gov · Verified August 11, 2026
OverviewMPGEngine SpecsFuel CostTransmissionDrivetrainVehicle ClassMaintenanceDimensionsCurb WeightSafety

GMC Terrain Vehicle Class — All Years

YearTrimVehicle ClassDriveFuel TypeMPG Comb.
2027Config 1 of 3Auto 8-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline25
2027Config 2 of 3Auto 8-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline26
2027Config 3 of 3Auto 8-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline25
2026Config 1 of 3Auto (variable gear ratios), 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline27
2026Config 2 of 3Auto 8-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline25
2026Config 3 of 3Auto 8-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline25
2025Config 1 of 2Auto (variable gear ratios), 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline27
2025Config 2 of 2Auto 8-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline25
2024Config 1 of 2Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline26
2024Config 2 of 2Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline25
2023Config 1 of 2Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline26
2023Config 2 of 2Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline26
2022Config 1 of 2Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline27
2022Config 2 of 2Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline26
2021Config 1 of 2Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline27
2021Config 2 of 2Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline26
2020Config 1 of 4Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline27
2020Config 2 of 4Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline26
2020Config 3 of 4Auto 9-spd, 4 cyl, 2.0 LSmall Sport Utility Vehicle 2WDFront-Wheel DrivePremium Gasoline24
2020Config 4 of 4Auto 9-spd, 4 cyl, 2.0 LSmall Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline23
2019Config 1 of 6Auto 6-spd, 4 cyl, 1.6 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveDiesel32
2019Config 2 of 6Auto 6-spd, 4 cyl, 1.6 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveDiesel32
2019Config 3 of 6Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline28
2019Config 4 of 6Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline26
2019Config 5 of 6Auto 9-spd, 4 cyl, 2.0 LSmall Sport Utility Vehicle 2WDFront-Wheel DrivePremium Gasoline24
2019Config 6 of 6Auto 9-spd, 4 cyl, 2.0 LSmall Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline23
2018Config 1 of 6Auto 6-spd, 4 cyl, 1.6 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveDiesel32
2018Config 2 of 6Auto 6-spd, 4 cyl, 1.6 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveDiesel32
2018Config 3 of 6Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline26
2018Config 4 of 6Auto 9-spd, 4 cyl, 1.5 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline28
2018Config 5 of 6Auto 9-spd, 4 cyl, 2.0 LSmall Sport Utility Vehicle 2WDFront-Wheel DrivePremium Gasoline24
2018Config 6 of 6Auto 9-spd, 4 cyl, 2.0 LSmall Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline23
2017Config 1 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline25
2017Config 2 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline23
2017Config 3 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline25
2017Config 4 of 5Auto 6-spd, 6 cyl, 3.6 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline20
2017Config 5 of 5Auto 6-spd, 6 cyl, 3.6 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline18
2016Config 1 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline26
2016Config 2 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline23
2016Config 3 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline26
2016Config 4 of 5Auto 6-spd, 6 cyl, 3.6 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline20
2016Config 5 of 5Auto 6-spd, 6 cyl, 3.6 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline18
2015Config 1 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline23
2015Config 2 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline26
2015Config 3 of 5Auto 6-spd, 4 cyl, 2.4 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline26
2015Config 4 of 5Auto 6-spd, 6 cyl, 3.6 LSmall Sport Utility Vehicle 2WDFront-Wheel DriveRegular Gasoline19
2015Config 5 of 5Auto 6-spd, 6 cyl, 3.6 LSmall Sport Utility Vehicle 4WDAll-Wheel DriveRegular Gasoline19

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.

GMC Terrain data analysis

How to read this GMC Terrain data

This page lists every 2015 through 2027 GMC Terrain record we hold for this measurement — 47 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 GMC Terrain 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 GMC Terrain 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 Terrain Vehicle Class

What class of vehicle is the GMC Terrain?

The EPA classifies the GMC Terrain as a Small Sport Utility Vehicle 4WD / Small Sport Utility Vehicle 2WD. This classification is based on interior volume and body style and affects how its fuel economy is compared with other vehicles.

Is the GMC Terrain considered a small or large vehicle?

Based on its EPA class (Small Sport Utility Vehicle 4WD, Small Sport Utility Vehicle 2WD), the GMC Terrain 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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