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2018 GMC Terrain

Research, photos, specs, and expertise
2018 GMC Terrain

GMC Terrain highlights

Customer reviews

4.9 out of 5

RepairPal reliability rating**

4.5 out of 5

Mileage (EPA estimate)

28 city, 39 highway, 32 combined

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(no current inventory)

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Ratings & reliability

Customer ratings

4.9 out of 5

9 customer reviews
5 Stars8
4 Stars1
3 Stars0
2 Stars0
1 Star0

RepairPal reliability rating**

4
1
2
Excellent
RepairPal gave the GMC Terrain an overall reliability rating of 4.5 out of 5 stars, which RepairPal describes as Excellent. This rating ranks GMC Terrain 8th out of 26 among Compact SUVs.
View RepairPal's full rating of the GMC Terrain

**RepairPal Reliability Ratings are based on the actual cost, frequency, and severity of unscheduled repairs and maintenance on make/model data for select 2006-2020 vehicles. The reliability of a specific vehicle may vary depending on its maintenance and driving history, model year, trim, and features. RepairPal Reliability Ratings are provided by RepairPal and CarMax is not responsible for their accuracy. These ratings are based on RepairPal Reliability data as of 09/01/2021. Learn more about RepairPal reliability ratings

Explore GMC Terrain details

SLT 2WD 4D Sport Utility

* Price excludes taxes, title, registration, and fees. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.