2021 GMC Yukon

SUV Premium
GMC Yukon 2021
23MPG Combined
10 Trims
2021 2022 →
Updated February 27, 2026

The 2021 GMC Yukon is a SUV that delivers 16–23 combined MPG depending on trim. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.

2021 GMC Yukon Specifications

SpecValue
Combined MPG16–23 combined MPG depending on trim
City MPG21
Highway MPG27
Body StyleSUV
Fuel TypePremium
DriveRWD
Available Trims10

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto15/20/176.2L 8cylAutomatic 10-spd
Auto16/20/185.3L 8cylAutomatic 10-spd
Auto21/27/233.0L 6cylAutomatic 10-spd
Auto14/20/166.2L 8cylAutomatic 10-spd
Auto15/20/175.3L 8cylAutomatic 10-spd
Auto14/19/166.2L 8cylAutomatic 10-spd
Auto16/20/185.3L 8cylAutomatic 10-spd
Auto20/26/223.0L 6cylAutomatic 10-spd
Auto13/19/166.2L 8cylAutomatic 10-spd
Auto15/20/175.3L 8cylAutomatic 10-spd

Annual Fuel Cost

Based on EPA estimates, the 2021 GMC Yukon costs approximately $2,940 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

Compare the 2021 GMC Yukon

See how it stacks up against similar vehicles:

Other Model Years

Check Vehicle History

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

🔍 Check GMC Yukon 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 Yukon? Check VIN on RedVIN