Skip to content
Trimslate
SavedHelp

2020 GMC

Acadia AWD

Auto 9-spd, 6 cyl, 3.6 L

GMC Acadia: best and worst years
2020 GMC Acadia AWD (photo 1 of 2)
2020 photoDestinationFearFanCC BY-SA 4.0via Wikimedia Commons

Overview

Body
Standard Sport Utility Vehicle 4WDEPA, from EPA, last updated 6/22/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic 9-spdEPA, from EPA, last updated 6/22/2026

Engine & performance

HP
310
Power to weight
0.073 hp/lb
Axle ratio
3.49
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026

Efficiency

Smog score
6/10
Real-world MPG
18.2 mpg, reported by 2 driversabout 2.8 mpg below the EPA combined estimate
SmartWay certified
No

Dimensions & capacity

GVWR class
Class 2E (6,001 to 7,000 lb)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026

Safety NHTSA record NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
Optional
Lane-departure warning
Optional
Recalls
6
Owner complaints
106 See on NHTSA
Reported injuries
2

Feature availability

Cameras & visibility

  • Backup camera
    Standard

Driver assist

  • Blind-spot monitor
    Standard

Convenience

  • Push-button start
    Standard

Reported problems NHTSA record NHTSA owner complaints, model year

  • ENGINE17%
  • ELECTRICAL SYSTEM17%
  • POWER TRAIN13%
  • STEERING12%
  • UNKNOWN OR OTHER8%
  • FUEL/PROPULSION SYSTEM5%

Source: NHTSA owner complaints, 167 total.

GMC Acadia: best and worst years

Federal investigations NHTSA record NHTSA defect investigations, model year

  • PE22006opened Jul 22, 2022BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    Rear-View Camera Failure

Known issues manufacturer service bulletins, model year

636 service bulletins filed with NHTSA for this model year

  • Apr 1, 2026UNKNOWN OR OTHERPIT3271Q

    This preliminary information communicates information about how to determine if a wheel and tires size change is available.

  • Mar 9, 2026UNKNOWN OR OTHERPIP6104

    This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

  • Mar 9, 2026UNKNOWN OR OTHERPIP4902V

    This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

  • Mar 2, 2026UNKNOWN OR OTHERPIT6425D

    This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss

  • Feb 4, 2026UNKNOWN OR OTHERPIP5841H

    This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.

  • Jan 16, 2026UNKNOWN OR OTHERPIT6425C

    This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's

  • Jan 14, 2026UNKNOWN OR OTHERPIP6098

    This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.

  • Jan 10, 2026UNKNOWN OR OTHERPIP5841G

    This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.

  • and 628 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
3 yr / 36k mi
Powertrain
5 yr / 60k mi
Roadside assistance
5 yr / 60k mi
Maintenance
1 yr / 12k mi
EV battery
8 yr / 100k mi

Source: www.gmfleet.com as of 2026-06

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.

2020 GMC Acadia AWD Auto 9-spd, 6 cyl, 3.6 L · Trimslate