2020 GMC Acadia

SUV Regular
GMC Acadia 2020
24MPG Combined
5 Trims
Updated February 27, 2026

Get the full picture on the 2020 GMC Acadia. As a SUV, it achieves 21–24 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.

2020 GMC Acadia Specifications

SpecValue
Combined MPG21–24 combined MPG depending on trim
City MPG21
Highway MPG28
Body StyleSUV
Fuel TypeRegular
DriveAWD
Available Trims5

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto18/25/213.6L 6cylAutomatic 9-spd
Auto21/27/232.0L 4cylAutomatic 9-spd
Auto21/27/232.5L 4cylAutomatic 9-spd
Auto19/27/223.6L 6cylAutomatic 9-spd
Auto21/28/242.0L 4cylAutomatic 9-spd

Annual Fuel Cost

Based on EPA estimates, the 2020 GMC Acadia costs approximately $1,950 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

Compare the 2020 GMC Acadia

See how it stacks up against similar vehicles:

Other Model Years

Check Vehicle History

Considering a used GMC Acadia? Get a comprehensive vehicle history report including accident records, ownership history, and more.

🔍 Check GMC Acadia Vehicle History Check VIN →
Check Vehicle History

Get the full story — accidents, ownership, recalls, odometer, and more. Decode any VIN instantly.

Check VIN
Buying a used GMC Acadia? Check VIN on RedVIN