2020 GMC

Acadia FWD

Auto 9-spd, 6 cyl, 3.6 L

GMC Acadia: best and worst years

Overview

Body: Standard Sport Utility Vehicle 2WDEPA, from EPA, last updated 6/11/2026
Drivetrain: Front-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission: Automatic 9-spdEPA, from EPA, last updated 6/11/2026
Powertrain: GasEPA, from EPA, last updated 6/11/2026
Fuel: RegularEPA, from EPA, last updated 6/11/2026

Engine & performance

HP: 310
Power to weight: 0.073 hp/lb
Axle ratio: 3.49
Cyl: 6EPA, from EPA, last updated 6/11/2026
Aspiration: Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system: YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy: 27 mpgEPA, from EPA, last updated 6/11/2026
MPG City: 19 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb: 22 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr: $2,850EPA, from EPA, last updated 6/11/2026
CO₂: 413 g/miEPA, from EPA, last updated 6/11/2026
Eco Score: 4/10EPA, from EPA, last updated 6/11/2026
Smog score: 6/10
Elec. Range: 0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified: No

Dimensions & capacity

Length: 193 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width: 76 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height: 67 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase: 113 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight: 4,239 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026

Safety NHTSA, model year

Overall crash rating: ★★★★★
Rollover rating: ★★★★★
Stability control (ESC): Standard
Forward-collision warning: Optional
Lane-departure warning: Optional
Recalls: 6
Owner complaints: 92
Reported injuries: 2

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

ELECTRICAL SYSTEM18%
ENGINE15%
POWER TRAIN13%
STEERING10%
UNKNOWN OR OTHER8%
FORWARD COLLISION AVOIDANCE6%

Source: NHTSA owner complaints, 144 total.

GMC Acadia: best and worst years

Federal investigations NHTSA defect investigations, model year

PE22006opened Jul 22, 2022BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Rear-View Camera Failure

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

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.