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2021 GMC Acadia Problems and Recalls

Owners filed 153 complaints with NHTSA about the 2021 GMC Acadia, most often about the electrical (25% of complaints). It is 13th of 20 Acadia model years by number of complaints and has 2 recalls.

Complaints153
Recalls2
Crashes reported7
Fires reported0
Injuries reported3

Most common 2021 GMC Acadia problems

  1. Electrical

    38 complaints · 25%

    Parts named most often: instrument panel.

    Odometer fraud. The contact purchased a 2021 GMC Acadia. The contact discovered a mileage discrepancy after the purchase. The vehicle was a dealer sale. At the time of purchase, the mileage was approximately 29,000. The contact attempted to trade in the vehicle, and the purchasing dealer checked the VIN and retrieved…
    Owner report to NHTSA, 2026, at 58,000 miles
  2. Engine

    31 complaints · 20%

    Half of these problems showed up before 34,500 miles. Parts named most often: exhaust system, engine.

    The contact owns a 2021 GMC Acadia. The contact stated that after a routine maintenance at the local dealer, it was noticed that the radiator was leaking coolant. Upon further inspection, the contact and his son noticed that the driver’s side of the radiator was corroded. No warning light was illuminated. The…
    Owner report to NHTSA, 2025, at 32,175 miles
    The contact owns a 2021 GMC Acadia. The contact stated that while his wife was driving at an undisclosed speed, the vehicle inadvertently lost motive power. The driver was able to coast to the shoulder of the roadway, where the vehicle failed to restart. The check engine warning light was illuminated. The vehicle was…
    Owner report to NHTSA, 2025, at 36,970 miles
  3. Fuel system

    30 complaints · 20%

    The contact owns a 2021 GMC Acadia. The contact stated while driving 75 MPH, the check engine warning light illuminated. Additionally, the accelerator pedal was depressed, but the vehicle failed to accelerate as intended. The vehicle was driven to the shoulder of the road. The contact stated while attempting to start…
    Owner report to NHTSA, 2025, at 35,500 miles
    The contact owns a 2021 GMC Acadia. The contact stated that while his wife was driving at an undisclosed speed, the vehicle inadvertently lost motive power. The driver was able to coast to the shoulder of the roadway, where the vehicle failed to restart. The check engine warning light was illuminated. The vehicle was…
    Owner report to NHTSA, 2025, at 36,970 miles
  4. Other or unspecified

    21 complaints · 14%

  5. Brakes

    19 complaints · 12%

    The contact owns a 2021 GMC Acadia. The contact stated while reversing out of her parking space, the contact heard a squeaking sound coming from the brakes. The vehicle was taken to an independent mechanic and the brakes were replaced; however, the failure persisted. The dealer was contacted and stated that there was…
    Owner report to NHTSA, 2022, at 26,000 miles
  6. Steering

    17 complaints · 11%

    The contact owns a 2021 GMC Acadia. The contact stated while driving 50 MPH, the vehicle suddenly decelerated to 35 MPH. The vehicle stalled, and the "steering assistance reduced" message was displayed. The vehicle was restarted. The vehicle was taken to the local dealer the following day, where it was diagnosed that…
    Owner report to NHTSA, 2024, at 27,792 miles
  7. Transmission

    17 complaints · 11%

    Parts named most often: automatic transmission.

    Wife was driving southbound on us287 between vernon, tx and wichita falls, tx in a 75mph speed zone. Vehicle abruptly and for no apparent reason slowed as if the brakes had been applied with sufficient force to cause her to bend forward at the waist. Subsequently, the vehicle speed became erratic and she slowed to 25…
    Owner report to NHTSA, 2021, at 4,063 miles
    The contact owns a 2021 GMC Acadia. The contact stated that while driving approximately 30-60 MPH, the vehicle started shuddering inadvertently. There were no warning lights illuminated. The contact stated that he continued to drive the vehicle. The contact stated that the failure reoccurred while driving and the…
    Owner report to NHTSA, 2021, at 4,100 miles
  8. Driver assistance

    10 complaints · 7%

    Parts named most often: automatic emergency braking, warning, warnings, assist.

    The contact owns a 2021 GMC Acadia. The contact stated that the software update was performed under NHTSA campaign number: 22v709000 (back over prevention). After the software was updated, the lane departure assist system failed and was no longer alerting the driver when the vehicle was drifting into the other lane.…
    Owner report to NHTSA, 2023, at 17,700 miles

Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.

2021 GMC Acadia recalls

  1. Backup camera: camera

    NHTSA 22V709000 · September 22, 2022 · 95,231 vehicles

    Risk: An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a crash.

    Fix: Dealers will replace the coaxial cables, free of charge. Owner notification letters were mailed january 18, 2023. Owners may contact cadillac customer service at 1-800-458-8006 or gmc customer service at 1-800-462-8782. Gm's number for this recall is n222378380.

    Full defect summary

    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.

  2. Fuel system: hoses, lines/piping, and fittings

    NHTSA 21V422000 · June 3, 2021 · 572 vehicles

    Risk: Improperly attached and seated fuel supply lines may loosen or separate, causing a fuel leak and increasing the risk of a fire.

    Fix: Dealers will inspect and replace fuel supply lines as necessary, free of charge. Owner notification letters were mailed on july 1, 2021. Owners may contact cadillac customer service at 1-800-458-8006 and gmc customer service at 1-800-462-8782. Gm's number for this recall is n212335590.

    Full defect summary

    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.

Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.

NHTSA defect investigations

Questions about the 2021 GMC Acadia

What are the most common problems with the 2021 GMC Acadia?
By NHTSA owner complaints: electrical (38 complaints); engine (31 complaints, typically around 34,500 miles); fuel system (30 complaints).
How many recalls does the 2021 GMC Acadia have?
2 recalls listed by NHTSA, the latest from September 22, 2022 (backup camera). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
Is the 2021 a bad year for the GMC Acadia?
It is 13th of 20 Acadia model years by number of complaints, with 153 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.

Other GMC Acadia years

GMC Acadia problems by year