Does the 2026 Genesis G80 need premium gas?
Yes. Premium.
$313extra a year
- Premium listed for the 2.5T AWD.
- All 5 trims list premium.
- Required or only recommended: the data does not say.
- 64% of 55 sedans (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 |
|---|---|---|---|---|---|
| 2.5T AWD | 2.5L 4cyl | Premium | 23 | $1,670 | $1,983 |
| 2.5T Advanced AWD | 2.5L 4cyl | Premium | 23 | $1,670 | $1,983 |
| 2.5T Sport Prestige AWD | 2.5L 4cyl | Premium | 23 | $1,670 | $1,983 |
| 3.5T Sport Prestige AWD | 3.5L 6cyl | Premium | 18 | $2,133 | $2,533 |
| 3.5T Prestige Black AWD | 3.5L 6cyl | Premium | 18 | $2,133 | $2,533 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2026 Genesis G80 | 2.5T AWD | Premium |
| 2026 BMW 5 Series | 530i RWD | Premium |
| 2026 Audi S5 | Premium AWD | Premium |
| 2026 Cadillac CT4-V Blackwing | CT4-V V-Series Blackwing RWD | Premium |
| 2026 Mercedes-Benz E-Class | E 350 RWD | Premium |
| 2026 Audi A6 | Premium TFSI AWD | 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