Reliability & 5-year cost of ownership — 2020 GMC Terrain
NHTSA data on file today
The 2020 GMC Terrain has 2 NHTSA recall campaigns and 198 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 5.0 out of 5 stars, averaged across 2 NHTSA-tested trims.
Recall campaigns on file
- NHTSA #23V339000 Child Seat Anchors May Not Function/FMVSS 225 NHTSA notice
- NHTSA #20V668000 Missing Bolts on Start/Stop Accumulator NHTSA notice
Most-cited components in owner complaints
- Service Brakes 65 complaints
- Engine 58 complaints
- Unknown or Other 34 complaints
- Power Train 28 complaints
- Electrical System 27 complaints
- Fuel/Propulsion System 25 complaints
Of the 198 complaints on file, 7 report a crash and 2 a fire; across all 198 complaints, owners report 5 injuries (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $12,000–$18,000AI estimate — not from NHTSA data
The 2020 GMC Terrain has a moderate complaint count with 198 owner reports and two recall campaigns. Complaints are concentrated around the service brakes, engine, and power train, suggesting some reliability concerns, but evidence remains limited for a comprehensive judgment due to the absence of severe or widespread issues.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| Service brakes | 50,000–80,000 miles | $300–$800 | common |
| Engine | 60,000–100,000 miles | $500–$3,000 | common |
| Power train | 70,000–100,000 miles | $700–$2,500 | 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 change
- Brake pad inspection/replacement
- Tire rotation and alignment
- Spark plug replacement
- Transmission fluid change
- Coolant system flush
- Cabin and engine air filter replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unusual engine noises
- Delayed gear shifts
- Brake pedal feels spongy
- Unresponsive acceleration
- Check engine light on
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2020 GMC Terrain at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.