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2018 GMC Sierra 1500

Research, photos, specs, and expertise
2018 GMC Sierra 1500

GMC Sierra 1500 highlights

Customer reviews

4.5 out of 5

RepairPal reliability rating**

4 out of 5

Mileage (EPA estimate)

18 city, 24 highway, 20 combined

Pricing for current inventory

(no current inventory)

Price
Year
Mileage
Distance from

All GMC Sierra 1500 years

Ratings & reliability

Customer ratings

4.5 out of 5

4 customer reviews
5 Stars3
4 Stars0
3 Stars1
2 Stars0
1 Star0

RepairPal reliability rating**

4
Above Average
RepairPal gave the GMC Sierra 1500 an overall reliability rating of 4 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC Sierra 1500 6th out of 27 among Fullsize Trucks.
View RepairPal's full rating of the GMC Sierra 1500

**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 Sierra 1500 details

(no trim) 2WD 2D Regular Cab

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