Reliability & 5-year cost of ownership — 2018 GMC Sierra 1500
NHTSA data on file today
The 2018 GMC Sierra 1500 has 7 NHTSA recall campaigns and 305 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 5.0 out of 5 stars, averaged across 7 NHTSA-tested trims.
Recall campaigns on file
- NHTSA #26V325000 Roof Rail Air Bag Inflator Endcap May Detach NHTSA notice
- NHTSA #26V166000 Roof Rail Air Bag Inflator Endcap May Detach NHTSA notice
- NHTSA #25V432000 Roof Rail Air Bag Inflator Endcap May Detach NHTSA notice
- NHTSA #24V756000 Roof Rail Air Bag Inflator End Cap May Detach NHTSA notice
- NHTSA #20V603000 Vacuum Pump May Decrease Power Brake Assist NHTSA notice
- NHTSA #19V761000 Software Error May Cause Unintended Braking NHTSA notice
- NHTSA #19V645000 Vacuum Pump May Decrease Power Brake Assist NHTSA notice
Most-cited components in owner complaints
- Power Train 131 complaints
- Engine 67 complaints
- Electrical System 43 complaints
- Service Brakes 40 complaints
- Steering 30 complaints
- Unknown or Other 25 complaints
Of the 305 complaints on file, 10 report a crash and 1 a fire; across all 305 complaints, owners report 5 injuries (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $8,000–$18,000AI estimate — not from NHTSA data
The 2018 GMC Sierra 1500 shows an average reliability rating based on 305 owner complaints and 7 recalls. The majority of issues are related to the powertrain, brakes, and engine. Airbag recalls are notable, but the variety and distribution of complaints indicate a moderately reliable vehicle. Data is somewhat limited, offering a cautious outlook on potential failures.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| Powertrain | Unknown | $1,500–$3,500 | common |
| Engine | Unknown | $2,500–$6,000 | common |
| Service brakes | Unknown | $300–$1,200 | occasional |
| Electrical system | Unknown | $200–$1,000 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Tire rotations
- Brake pad replacement
- Transmission fluid change
- Air filter replacement
- Coolant flush
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Shuddering during acceleration
- Unusual brake noises
- Intermittent electrical failures
- Engine misfires
- Delayed gear shifts
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2018 GMC Sierra 1500 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.