Does the 2026 Chevrolet Tahoe need premium gas?
No. Regular.
$0extra a year
- Regular listed for the LS RWD.
- All 11 trims list regular.
- Premium by choice: $424 more a year.
- 52% of 138 SUVs (2026) list premium.
12,000 miles a year. Gas $3.20. Premium $0.60 more.
| Trim | Engine | Grade | Mpg | Regular, a year | Premium, a year |
|---|---|---|---|---|---|
| LS RWD | 5.3L | Regular | 17 | $2,259 | $2,682 |
| LS 4WD | 5.3L 8cyl | Regular | 16 | $2,400 | $2,850 |
| LT RWD | 5.3L | Regular | 17 | $2,259 | $2,682 |
| LT 4WD | 5.3L 8cyl | Regular | 17 | $2,259 | $2,682 |
| RST RWD | 5.3L | Regular | 17 | $2,259 | $2,682 |
| Z71 4WD | 5.3L 8cyl | Regular | 16 | $2,400 | $2,850 |
| RST 4WD | 5.3L 8cyl | Regular | 16 | $2,400 | $2,850 |
| Premier RWD | 5.3L | Regular | 17 | $2,259 | $2,682 |
| Premier 4WD | 5.3L 8cyl | Regular | 16 | $2,400 | $2,850 |
| High Country RWD | 6.2L | Regular | 17 | $2,259 | $2,682 |
| High Country 4WD | 6.2L 8cyl | Regular | 16 | $2,400 | $2,850 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2026 Chevrolet Tahoe | LS RWD | Regular |
| 2026 GMC Yukon | Elevation RWD | Regular |
| 2026 Ford Expedition | Active 4x2 | Regular |
| 2026 Toyota Sequoia | SR5 RWD | Regular |
| 2026 Chevrolet Traverse | LT FWD | Regular |
| 2026 Chevrolet Suburban | LS RWD | Regular |
| 2026 Cadillac Escalade | 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