2015 GMC Sierra 1500
2015 model shown · Photo: SsmIntrigue, CC BY-SA 4.0

Half-ton pickups · K2 generation

2018 GMC Sierra 1500: reliability, problems and cost to own

Good choice About average

It scores 53 out of 100 for reliability compared with other half-ton pickups. Over the next 5 years we expect it to cost about $20,879 to own, including $6,100 in repairs.

Reliability

53/100

About average

Repairs, 5 years

$6,100

at 12,000 mi a year

Fuel, 5 years

$10,200

20 mpg, $3.40/gal

Price today

$25,845

$22,743 – $28,946, estimate

Recalls

7

on record

Owner complaints

305

filed with NHTSA

These are estimates, not guarantees. They come from public NHTSA complaint and recall data and EPA fuel economy, assuming 5 years of ownership and 12,000 miles a year. Change the assumptions or see how it works.

Where repair money is likely to go

Transmission & drivetrain$3,008
Engine & cooling$2,209
Steering$237
Electrical system$207
Brakes$150
Driver-assist & stability$103

Expected over 5 years, by area of the car.

Recalls

Check whether a specific car still has open recalls with its VIN at nhtsa.gov/recalls.

Before you buy

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Other years of the GMC Sierra 1500

Of the years we rate, the 2016 scores best (80/100) and the 2024 worst (4/100).

YearReliability
2026Not rated yet
2025Not rated yet
20244/100
20236/100
202210/100
202112/100
202018/100
201916/100
201853/100
201765/100
201680/100
201567/100

Questions people ask

Is the 2018 GMC Sierra 1500 a year to avoid?

Not especially. It scores 53 out of 100, about average for half-ton pickups; the 2015, 2016 and 2017 scored better.

Is the 2018 GMC Sierra 1500 reliable?

It scores 53 out of 100 against other half-ton pickups from 2015 to 2024, which is about average. Based on 305 owner complaints filed with NHTSA, we expect about $6,100 in repairs over the next 5 years at 12,000 miles a year.

How much does a 2018 GMC Sierra 1500 cost to own?

About $20,879 over 5 years: $4,579 in lost value, $6,100 in repairs and $10,200 in fuel at $3.40 a gallon. A typical one sells for about $25,845 today.

What are the best years of the GMC Sierra 1500?

Of the years we rate, the 2016 scores best (80/100) and the 2024 worst (4/100).

How many recalls does the 2018 GMC Sierra 1500 have?

7 recalls on record with NHTSA.