YearToAvoid

2020 GMC Acadia Problems, Recalls & Reliability

Verdict

Best

Complaint Index

7/100

#15 most-complained of 16 Acadia years

The 2020 GMC Acadia ranks 15th worst out of 16 model years, with a complaint index of 7 and a verdict of Best relative to other Acadia years. It has 104 complaints, 6 recalls, and no fire or death reports.

Complaints
104
Recalls
6
Crashes / fires
4 / 0
Injuries / deaths
2 / 0
NHTSA overall rating
5 / 5 ★
EPA combined MPG
23
21 city / 27 hwy

Top 2020 GMC Acadia problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine33 (32%)
  2. Electrical System28 (27%)
  3. Transmission & Powertrain22 (21%)
  4. Steering18 (17%)
  5. Other15 (14%)
  6. Collision Avoidance & Cameras11 (11%)
  7. Fuel System11 (11%)
  8. Brakes8 (8%)
  9. Structure & Body4 (4%)
  10. Airbags3 (3%)

What owners report

  • Owners report sudden unintended acceleration or loss of throttle control tied to a P2138 sensor code, in one case resulting in a crash into a wall.
  • Airbags reportedly failed to deploy during a rear-end collision despite significant impact force.
  • The rearview camera has reportedly stopped working while backing up, contributing to a collision with a pole.
  • Owners describe a cascade of electrical faults, including forward brake assist warnings, backup camera dropouts, stability control issues, and half-power engine messages.
  • The parking brake has reportedly engaged on its own while parked on an incline or even while driving at low speed.
  • Some owners report the vehicle losing power and stalling unexpectedly despite the fuel gauge showing miles remaining before empty.
2020 GMC Acadia complaints: complaints filed per quarter212019 Q42020 Q42021 Q42023 Q12024 Q12025 Q12026 Q1
163 complaints filed with NHTSA from 2019 Q4 to 2026 Q3; peak 2026 Q2 (21).

2020 GMC Acadia recalls

6 NHTSA recall campaigns list this model year.

  1. NHTSA 22V709000Sep 22, 2022Collision Avoidance & Cameras95,231 vehicles

    Back over prevention: sensing system: camera

    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.

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

    Remedy: 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.

  2. NHTSA 21V115000Feb 25, 2021Suspension, Wheels & Tires33,838 vehicles

    Tires

    General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.

    Risk: Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.

    Remedy: GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.

  3. NHTSA 20V684000Nov 5, 2020Suspension, Wheels & Tires7,516 vehicles

    Tires

    General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.

    Risk: Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. Either condition increases the risk of a crash.

    Remedy: GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202319030.

See all 6 recalls for the 2020 GMC Acadia →

2020 GMC Acadia fuel economy and fuel cost

City
21 MPG
Highway
27 MPG
Combined
23 MPG
Annual fuel cost (EPA)
$2,800
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2020 compared with other Acadia years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’10’11’12’13’14’15’16’17’18’19’20’21’22’23’24’25
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2018Avoid87395222
2019Avoid80386221.5
2020Best7104623
2021Good40149223
2022Best049323

All GMC Acadia years: best and worst →

Frequently asked questions

Is the 2020 GMC Acadia reliable?
Based on NHTSA owner complaints and recalls, the 2020 Acadia has a complaint index of 7, the second-lowest of all 16 model years tracked, earning it a Best verdict relative to other Acadia years.
What problems does the 2020 GMC Acadia have?
NHTSA lists 104 complaints for the 2020 Acadia, led by the Engine at 32% of complaints, followed by Electrical System at 27% and Transmission & Powertrain at 21%.
Does the 2020 GMC Acadia have any recalls?
NHTSA lists 6 recalls for the 2020 Acadia, covering airbags, fuel system, transmission, suspension/wheels, and a collision-avoidance camera cable issue. None are do-not-drive recalls.
How does the 2020 Acadia compare to other model years?
The 2020 Acadia's complaint index of 7 is far lower than the worst year, 2017, which has a complaint index of 100 with 703 complaints, and also lower than 2014, 2018, and 2019, all rated Avoid.
What is the median mileage for 2020 Acadia complaints?
Across the whole vehicle, the median mileage at failure is 9,500 miles, though this varies by problem area, with steering issues appearing later at a median of 54,349.5 miles.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.