Worst 2021 GMC Acadia Problems
Top 3 most-reported issues with average mileage at failure.
Electrical Faults
Engine Problems
Fuel System
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All Problems by Category
Every NHTSA complaint category for the 2021 GMC Acadia.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 33 | 3 | — | 2,650 mi | |
| Engine Problems | 26 | 2 | — | 26,598 mi | |
| Fuel System | 22 | — | — | — | |
| Transmission / Drivetrain | 15 | 1 | — | 2,156 mi | |
| Brakes | 15 | 1 | — | 26,000 mi | |
| Steering Defects | 13 | — | — | 27,792 mi | |
| Airbags | 8 | 2 | — | 8,100 mi | |
| Forward Collision Avoidance: Automatic Emergency Braking | 6 | — | — | — | |
| Back Over Prevention: Rearview System Braking | 4 | 1 | — | — | |
| Gasoline Fuel System | 4 | — | — | — | |
| Unintended Acceleration | 4 | — | — | — | |
| Back Over Prevention: Warnings | 3 | — | — | — | |
| Vehicle Speed Control:Accelerator Pedal | 3 | 2 | — | — | |
| Seat Belt Issues | 2 | — | — | — | |
| Suspension Failures | 2 | — | — | — | |
| Wipers & Visibility | 2 | — | — | — | |
| Backup Camera | 1 | — | — | — | |
| Back Over Prevention: Sensing System: Camera | 1 | — | — | — | |
| Electrical System:Instrument Panel:Speedometer/Odometer | 1 | — | — | — | |
| Engine & Cooling | 1 | — | — | — | |
| Engine And Engine Cooling:Engine:Crank/Camshaft Position Sensor | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System:Emission Control | 1 | — | — | — | |
| Equipment:Electrical:Navigational System(Global Positioning System) | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Forward Collision Avoidance: Warnings | 1 | — | — | — | |
| Lane Departure | 1 | — | — | — | |
| Lane Departure: Assist | 1 | — | — | — | |
| Lane Departure: Warning | 1 | — | — | — | |
| Latches / Locks | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2021 GMC Acadia. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2021 GMC Acadia
2 NHTSA recall campaigns affecting ~95,803 vehicles.
General Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may have been crimped improperly, causing the rearview camera to fail or function intermittently.
General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.
Other GMC Acadia Years
2021 GMC Acadia — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2021 GMC Acadia reliable?
What are common problems with the 2021 GMC Acadia?
At what mileage do problems start on the 2021 GMC Acadia?
How safe is the 2021 GMC Acadia?
Does the 2021 GMC Acadia have any recalls?
Should I buy a 2021 GMC Acadia?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full GMC Acadia reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2021 GMC Acadia
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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