AutoSpecData

GMC Terrain Dimensions & Size

How much cargo space and room does a 2027 GMC Terrain really have?

The 2026 GMC Terrain measures 181.1 in long, 74.4 in wide, 65.7 in tall, on a 107.1 in wheelbase, with a curb weight of about 3,446 lbs.

Looking for weight? See the GMC Terrain curb weight page — this page covers length, width, height and wheelbase.

Latest model year (2027):

The GMC Terrain measures 181.1 in long, 74.4 in wide and 65.7 in tall, on a 107.1 in wheelbase, weighing about 3,446 lbs.

VerifiedNHTSA Canadian Vehicle Specifications · Verified September 18, 2026
OverviewMPGEngine SpecsFuel CostTransmissionDrivetrainVehicle ClassMaintenanceDimensionsCurb WeightSafety

GMC Terrain Dimensions — All Years

YearBody / VariantLengthWidthHeightWheelbaseCurb Weight
2026Config 1 of 2TERRAIN 4DR SUV FWD181.1 in74.4 in65.7 in107.1 in3,446 lbs
2026Config 2 of 2TERRAIN 4DR SUV AWD181.1 in74.4 in65.7 in107.1 in3,598 lbs
2025Config 1 of 2TERRAIN 4DR SUV FWD181.1 in74.4 in65.7 in107.1 in3,446 lbs
2025Config 2 of 2TERRAIN 4DR SUV AWD181.1 in74.4 in65.7 in107.1 in3,598 lbs
2024Config 1 of 3TERRAIN 4DR SUV FWD183.1 in72.4 in65.4 in107.5 in3,448 lbs
2024Config 2 of 3TERRAIN 4DR SUV AWD DENALI183.1 in72.4 in65.4 in107.5 in3,801 lbs
2024Config 3 of 3TERRAIN 4DR SUV AWD183.1 in72.4 in65.4 in107.5 in3,622 lbs
2023Config 1 of 3TERRAIN 4DR SUV FWD183.1 in72.4 in65.4 in107.5 in3,448 lbs
2023Config 2 of 3TERRAIN 4DR SUV AWD DENALI183.1 in72.4 in65.4 in107.5 in3,801 lbs
2023Config 3 of 3TERRAIN 4DR SUV AWD183.1 in72.4 in65.4 in107.5 in3,622 lbs
2022Config 1 of 3TERRAIN 4DR SUV FWD183.1 in72.4 in65.4 in107.5 in3,448 lbs
2022Config 2 of 3TERRAIN 4DR SUV AWD DENALI183.1 in72.4 in65.4 in107.5 in3,801 lbs
2022Config 3 of 3TERRAIN 4DR SUV AWD183.1 in72.4 in65.4 in107.5 in3,622 lbs
2021Config 1 of 3TERRAIN 4DR SUV FWD183.1 in72.4 in65.4 in107.5 in3,448 lbs
2021Config 2 of 3TERRAIN 4DR SUV AWD DENALI183.1 in72.4 in65.4 in107.5 in3,801 lbs
2021Config 3 of 3TERRAIN 4DR SUV AWD183.1 in72.4 in65.4 in107.5 in3,622 lbs
2020Config 1 of 3TERRAIN 4DR SUV FWD183.1 in72.4 in65.4 in107.5 in3,448 lbs
2020Config 2 of 3TERRAIN 4DR SUV AWD DENALI183.1 in72.4 in65.4 in107.5 in3,801 lbs
2020Config 3 of 3TERRAIN 4DR SUV AWD183.1 in72.4 in65.4 in107.5 in3,622 lbs
2019Config 1 of 2TERRAIN 4DR SUV FWD183.1 in72.4 in65.4 in107.5 in3,327 lbs
2019Config 2 of 2TERRAIN 4DR SUV AWD183.1 in72.4 in65.4 in107.5 in3,483 lbs
2018Config 1 of 2TERRAIN 4DR SUV FWD183.1 in72.4 in65.4 in107.5 in3,327 lbs
2018Config 2 of 2TERRAIN 4DR SUV AWD183.1 in72.4 in65.4 in107.5 in3,483 lbs
2017Config 1 of 2TERRAIN 4DR SUV FWD185.4 in72.8 in66.5 in112.6 in3,854 lbs
2017Config 2 of 2TERRAIN 4DR SUV AWD185.4 in72.8 in66.5 in112.6 in4,019 lbs
2016Config 1 of 2TERRAIN 4DR SUV FWD185.4 in72.8 in66.5 in112.6 in3,854 lbs
2016Config 2 of 2TERRAIN 4DR SUV AWD185.4 in72.8 in66.5 in112.6 in4,019 lbs
2015Config 1 of 2TERRAIN SLE/SLT/DENALI 4DR SUV FWD185.4 in72.8 in66.5 in112.6 in3,854 lbs
2015Config 2 of 2TERRAIN SLE/SLT/DENALI 4DR SUV AWD185.4 in72.8 in66.5 in112.6 in4,019 lbs

Dimensions sourced from the NHTSA Canadian Vehicle Specifications database. Figures are measured per body style and can vary slightly by trim, wheel package, and suspension.

GMC Terrain data analysis

How GMC Terrain overall length varies

Across 29 configurations recorded for the 2015 through 2026 GMC Terrain, overall length runs from 181 inches to 185 inches. The strongest figure belongs to the 2015 GMC Terrain (TERRAIN SLE/SLT/DENALI 4DR SUV AWD) at 185 inches, and the weakest to the 2026 car (TERRAIN 4DR SUV FWD) at 181 inches — a spread of 2%. The narrow spread means any year of the GMC Terrain in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2026

Average overall length for the 2026 GMC Terrain is 181 inches, against 181 inches for the 2025 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.

How to read this GMC Terrain data

This page lists every 2015 through 2026 GMC Terrain 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.

Configurations behind these GMC Terrain numbers

The 2015 through 2026 GMC Terrain entries here cover the variants TERRAIN 4DR SUV FWD, TERRAIN 4DR SUV AWD, TERRAIN 4DR SUV AWD DENALI, TERRAIN SLE/SLT/DENALI 4DR SUV FWD and TERRAIN SLE/SLT/DENALI 4DR SUV AWD. 2024 is the busiest model year in the record with 3 separate measured configurations, which is why a single quoted overall length figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.

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.

Will the GMC Terrain fit your garage and parking space?

Measured against a standard single garage door (8 ft wide, 7 ft tall, 20 ft deep stall) and a standard US surface parking space (9 ft x 18 ft). Measure your own opening before buying — older garages are frequently narrower.

Garage door width
Fits

74.4 in wide (body only, mirrors folded) — about 21.6 in of total clearance, so roughly 11 in per side.

Garage door height
Clears

66.5 in tall — 17.5 in of headroom before roof rails, antennas, or a roof box are added.

Parking space
Fits a standard stall

185.4 in long leaves 30.6 in to spare in an 18 ft space, and 33.6 in of side clearance in a 9 ft one.

Size drift: the 2026 GMC Terrain is 4 in shorter than the 2015 car in our records. If you are replacing an older example with a newer one, check the garage clearance again rather than assuming the outgoing car's footprint carries over.

Its wheelbase (107.1 in) accounts for about 59% of overall length. A higher share generally means shorter overhangs — better approach and departure clearance on driveways and ramps, and more cabin space for the same parking footprint.

Want to see it against another vehicle at the same scale? Open the car size comparison tool or check the GMC Terrain curb weight to pair footprint with mass.

Frequently Asked Questions About Terrain Dimensions

How long is the GMC Terrain?

The GMC Terrain is 181.102 inches long, 74.4094 inches wide and 65.748 inches tall. That is roughly 15.1 feet — compare it with your garage depth before buying.

Will the GMC Terrain fit in a standard garage?

A standard single-car garage is about 20 feet (240 in) deep and 10 feet (120 in) wide. At 181.102 in long and 74.4094 in wide, the GMC Terrain fits with 59 in of room to spare front-to-back. Remember to allow for mirrors and door swing.

How much does the GMC Terrain weigh?

Curb weight for the GMC Terrain is about 3,446 lbs. Curb weight excludes passengers and cargo, so add roughly 150 lbs per occupant when calculating payload.

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