Does the 2026 Audi A6 Allroad need premium gas?
Yes. Premium.
$300extra a year
- Premium listed for the 55 TFSI Premium Plus 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 |
|---|---|---|---|---|---|
| 55 TFSI Premium Plus AWD | 3.0L 6cyl | Premium | 24 | $1,600 | $1,900 |
| 55 TFSI Prestige AWD | 3.0L 6cyl | Premium | 24 | $1,600 | $1,900 |
| A6 Premium Plus TFSI AWD | 3.0L 6cyl | Premium | 23 | $1,670 | $1,983 |
| A6 Premium TFSI AWD | 3.0L 6cyl | Premium | 23 | $1,670 | $1,983 |
| A6 Prestige TFSI AWD | 3.0L 6cyl | Premium | 23 | $1,670 | $1,983 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2026 Audi A6 Allroad | 55 TFSI Premium Plus AWD | Premium |
| 2026 BMW M3 | RWD | Premium |
| 2026 Audi RS 3 | Base Style 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