2021 GMC Yukon: Yukon XL 2WD · 3.0L · RWD · 10-speed automatic · Diesel
One configuration of the 2021 GMC Yukon as listed by our sources. Every figure below carries its source.
| Specification | Value | Source |
|---|---|---|
| Engine | 3.0L 6-cylinder turbocharged | EPA fueleconomy.gov |
| Displacement | 3.0 L | EPA fueleconomy.gov |
| Cylinders | 6 | EPA fueleconomy.gov |
| Fuel type | Diesel | EPA fueleconomy.gov |
| Transmission | 10-speed automatic | EPA fueleconomy.gov |
| Drivetrain | RWD | EPA fueleconomy.gov |
| Combined economy | 23 mpg (10.2 L/100 km) | EPA fueleconomy.gov |
| City economy | 21 mpg (11.2 L/100 km) | EPA fueleconomy.gov |
| Highway economy | 27 mpg (8.7 L/100 km) | EPA fueleconomy.gov |
Provenance & verification
- EPA fueleconomy.gov · US Government public data
Source checked: October 11, 2026
Data verified: October 12, 2026