Reliability & 5-year cost of ownership — 2018 GMC Sierra 2500
NHTSA data on file today
The 2018 GMC Sierra 2500 has 5 NHTSA recall campaigns and 35 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 4.0 out of 5 stars, averaged across 6 NHTSA-tested trims.
Recall campaigns on file
- NHTSA #24V756000 Roof Rail Air Bag Inflator End Cap May Detach NHTSA notice
- NHTSA #23V047000 Rear Fuel Tank Failure May Cause Engine Stall NHTSA notice
- NHTSA #21V496000 Short Circuit In Engine Block Heater Cable NHTSA notice
- NHTSA #19V328000 Engine Block Heater/Terminal Short-Circuit NHTSA notice
- NHTSA #17V567000 Incorrect Seat Belt Torsion Bar/FMVSS 209 NHTSA notice
Most-cited components in owner complaints
- Engine 8 complaints
- Electrical System 7 complaints
- Fuel/Propulsion System 5 complaints
- Unknown or Other 5 complaints
- Equipment 4 complaints
- Exterior Lighting 4 complaints
Of the 35 complaints on file, 2 report a fire (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $5,500–$9,500AI estimate — not from NHTSA data
The 2018 GMC Sierra 2500 has an average reliability rating due to several recalls, notably those affecting air bags, fuel system, and engine block heaters. Despite recurring issues with the engine and electrical system, major catastrophic failures are not common, which supports the average rating.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| engine | 60,000–90,000 miles | $1,200–$3,500 | common |
| fuel system | 50,000–80,000 miles | $800–$1,500 | common |
| electrical system | 70,000–100,000 miles | $400–$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.
- Change engine oil and filter regularly
- Inspect brake system annually
- Rotate and balance tires yearly
- Replace air filter every 30,000 miles
- Inspect suspension components annually
- Flush transmission fluid every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine stalling or misfiring
- Fuel pump failure
- Electrical shorts or malfunctions
- Airbag warning lights
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2018 GMC Sierra 2500 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.