Reliability & 5-year cost of ownership — 2020 GMC Sierra 1500
NHTSA data on file today
The 2020 GMC Sierra 1500 has 12 NHTSA recall campaigns and 484 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 4.7 out of 5 stars, averaged across 6 NHTSA-tested trims.
Recall campaigns on file
- NHTSA #26V083000 Rear Wheel Lock Up from Transmission Control Valve Failure NHTSA notice
- NHTSA #24V797000 Rear Wheel Lock-Up from Transmission Valve Failure NHTSA notice
- NHTSA #21V985000 Spare Tire Incompatible with Accessory Wheels NHTSA notice
- NHTSA #21V115000 Tire Failure may Cause Sudden Air Loss NHTSA notice
- NHTSA #20V792000 Front Center Seat Belts may not be Secured NHTSA notice
- NHTSA #20V684000 Tires may have been Overcured NHTSA notice
- NHTSA #20V650000 Driveshaft May Separate NHTSA notice
- NHTSA #20V446000 Roof Rail Air Bag May Not Deploy NHTSA notice
- NHTSA #20V116000 Brake Calipers Bolts May Break NHTSA notice
- NHTSA #19V888000 Poor Alternator Connection may cause Crash or Fire NHTSA notice
- NHTSA #19V837000 Fuel Pump Missing Pressure Regulator NHTSA notice
- NHTSA #19V814000 Fire after Seat Belt Pretensioner Deployment NHTSA notice
Most-cited components in owner complaints
- Engine 245 complaints
- Power Train 99 complaints
- Electrical System 81 complaints
- Service Brakes 49 complaints
- Unknown or Other 45 complaints
- Steering 38 complaints
Of the 484 complaints on file, 12 report a crash and 5 a fire; across all 484 complaints, owners report 13 injuries (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $7,000–$14,000AI estimate — not from NHTSA data
The 2020 GMC Sierra 1500 shows an average reliability with 481 complaints and 12 recalls. Issues span the engine, power train, and electrical systems, yet the frequency is moderate, indicating room for improvement. The spread of complaints suggests some variance in quality, yet the overall data doesn't indicate a systemic reliability issue, justifying an average rating.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| engine | 90,000-120,000 miles | $700–$4,000 | common |
| power train | 75,000-100,000 miles | $1,000–$3,500 | common |
| electrical system | 60,000-80,000 miles | $300–$1,500 | occasional |
| service brakes | 60,000-90,000 miles | $250–$1,000 | occasional |
| fuel system | 70,000-100,000 miles | $400–$2,000 | rare |
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
- Brake inspections
- Tire rotations
- Coolant flushes
- Transmission fluid changes
- Battery checks
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine noise or performance dips
- Delayed transmission shifts
- Frequent electric issues
- Brake pedal softening
- Fuel odor or leaks
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2020 GMC Sierra 1500 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.