Fuel Economy
21–25MPG
Gas & Hybrid options available
NHTSA Complaints
146
6 crash reports • 3 reporting injuries
Safety Recalls
2
2 official NHTSA recalls
NCAP Safety Rating
Not Rated / Pending

EPA Fuel Economy & Powertrain Specifications

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by powertrain configuration

Powertrain Group Engine / Drivetrain City MPG Hwy MPG Combined MPG Est. Annual Fuel Cost
Standard 2L 4-Cyl Regular
Automatic 9-spd • Front-Wheel Drive
 19–22 26–29 21–25 MPG $2,450–$2,950 / yr

NHTSA NCAP Crash Test & Safety Ratings

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

NHTSA 5-Star NCAP laboratory crash evaluations are not currently on file for the 2021 GMC Acadia.

Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Not Specified and Lane Departure Warning (LDW) is documented as Not Specified in official NHTSA records for tested 2021 GMC Acadia models.
View complete 2021 GMC Acadia crash test & safety breakdown →

Reported Problems & Owner Complaints Summary (146)

Summary of 146 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
146
Crash Reports
6
Fire Reports
0
Complaints w/ Injury
3
Total Injuries
3

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Fuel & Propulsion System 16 complaints
Engine 13 complaints
Service Brakes 12 complaints
Electrical System 10 complaints
Powertrain 8 complaints

Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.

View all 2021 GMC Acadia problems & component breakdown (61 categories) →

Official Safety Recalls (2)

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #22V709000 Active Recall
Affected Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

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.

Free Manufacturer 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.
NHTSA Campaign #21V422000 Active Recall
Affected Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

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.

Free Manufacturer Remedy: 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.
View all 2021 GMC Acadia recalls & campaign history (2 campaigns) →
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.