Does the 2021 GMC Yukon XL need premium gas?
No. Regular.
$0extra a year
- Regular listed for the SLE RWD.
- Regular: 5 of 7 trims. Premium: 2 of 7 trims.
- Premium by choice: $400 more a year.
- 50% of 134 SUVs (2021) list premium.
12,000 miles a year. Gas $3.20. Premium $0.60 more.
| Trim | Engine | Grade | Mpg | Regular, a year | Premium, a year |
|---|---|---|---|---|---|
| SLE RWD | 5.3L | Regular | 18 | $2,133 | $2,533 |
| SLE 4WD | 5.3L 8cyl | Regular | 17 | $2,259 | $2,682 |
| SLT RWD | 5.3L | Regular | 18 | $2,133 | $2,533 |
| SLT 4WD | 5.3L 8cyl | Regular | 17 | $2,259 | $2,682 |
| AT4 4WD | 5.3L 8cyl | Regular | 17 | $2,259 | $2,682 |
| Denali RWD | 6.2L | Premium | 16 | $2,400 | $2,850 |
| Denali 4WD | 6.2L 8cyl | Premium | 16 | $2,400 | $2,850 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2021 GMC Yukon XL | SLE RWD | Regular |
| 2021 GMC Yukon | SLE RWD | Regular |
| 2021 Land Rover Discovery | P300 S 4WD | Premium |
| 2021 Lexus GX | 460 AWD | Premium |
| 2021 Audi SQ5 | Premium AWD | Premium |
| 2021 Mercedes-Benz GLE | 350 RWD | Premium |
What this cannot tell you
Check the fuel door or manual before you fill.
Gas prices and the premium gap change by state.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree