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Over a standing quarter mile on dry asphalt, the Audi RS6 Avant Performance C8 gets there in 11.18 s — 0.62 s ahead of the Audi RS4 Avant B9.
Watch the run in full — then change the surface, the weather or the distance and run it again.
| Standing start | Audi RS4 Avant B9 | Audi RS6 Avant Performance C8 |
|---|---|---|
| 0–60 mph | 3.35 s | 2.92 s |
| 0–100 mph | 8.56 s | 7.38 s |
| 60 ft | 1.77 s | 1.65 s |
| 1/8 mile | 7.55 s | 7.14 s |
| 1/4 mile | 11.80 s | 11.18 s |
| Trap speed | 116.5 mph | 123.1 mph |
Each car is trimmed to its own published figures — 9/10 for the Audi RS4 Avant B9, 9/11 for the Audi RS6 Avant Performance C8 — so a heavier car can still be the quicker one if that is what it tests.
| Specification | Audi RS4 Avant B9 | Audi RS6 Avant Performance C8 |
|---|---|---|
| Year | 2017 | 2022 |
| Power | 444 bhp | 621 bhp |
| Kerb mass | 1,715 kg | 2,277 kg |
| Power to weight | 259 bhp/t | 273 bhp/t |
| Drivetrain | All-wheel drive | All-wheel drive |
| Engine | Turbocharged | Turbocharged |