CarRuler

GMC Terrain (2015–present) dimensions

15′ 2″ (182.3″)463 cm long and 72.8″185 cm wide.

GMC Terrain 2026 side view
GMC Terrain 2026 front three-quarter view
GMC Terrain 2026 rear three-quarter view
GMC Terrain 2026 front view
GMC Terrain 2026 rear view

In a standard 2-car garage (20 ft6.1 m × 20 ft6.1 m)

Yes, it fits

54.5″138 cm to spare lengthwise

Uses the longest trim. Leave about 3 ft0.9 m to walk around the car.

Check your own garage

Fuel and efficiency

Powertrains
Flex-fuel, Gas, Diesel
Combined MPG
18–32
Trunk (EPA)
30.0 cu ft850 L

Source: EPA fueleconomy.gov

Parking spaces

  • Standard (9 ft2.7 m × 18 ft5.5 m)Yes, it fits · 30.5″77 cm
  • Compact (8 ft2.4 m × 16 ft4.9 m)Tight fit · 6.5″17 cm
  • Parallel (8 ft2.4 m × 22 ft6.7 m)Yes, it fits · 78.5″199 cm

Typical US sizes; your city’s code may differ.

Length182.3″463 cm(up to 185.5″471 cm)
Width72.8″185 cm
Height66.3″168 cm
Wheelbase112.5″286 cm
Ground clearance6.9″18 cm
Seats5
Cargo space31.6 cu ft895 L
Cargo, rear seats folded63.9 cu ft1,809 L
Curb weight3,449 lb1,564 kg(up to 4,068 lb1,845 kg)
Max towing3,500 lb1,588 kg
Max payload1,146 lb520 kg

Based on 58 trims, model years 2015–2020.

Quick answers

How long is the Terrain?
15′ 2″ (182.3″)463 cm, up to 185.5″471 cm for the longest trim.
Will the Terrain fit in a standard 2-car garage?
Yes. A 20 ft deep garage leaves 54.5″138 cm of room, enough to walk around it. Check your own garage.
Does it fit a standard parking space?
Yes. A 9 × 18 ft space leaves 30.5″77 cm of length.
Will it clear a 7 ft garage door?
Yes. At 66.3″168 cm tall it clears a 7 ft door by 17.7″45 cm (without a roof box).
How wide is it with mirrors?
About 81.8″208 cm: 72.8″185 cm body width plus an estimated 9.0″23 cm for the mirrors (manufacturers don't publish it).

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