Audi S6 vs BMW M550i xDrive
| Category | Audi S6 (C6) | BMW M550i xDrive |
|---|---|---|
| Engine layout | 5.2 l V10 | 4.4 l V8 |
| Max power (ps / bhp) | 435 / 429 | 462 / 456 |
| Max torque (Nm / lb-ft) | 540 / 398 | 650 / 479 |
| Curb weight (kg / lb) | 1985 / 4376 | 1921 / 4235 |
| Power / tonne (ps / bhp) | 219 / 216 | 240 / 237 |
Lap Times
| Track | Audi S6 (C6) | BMW M550i xDrive |
|---|---|---|
| Hockenheim Short | 1:18.80 | 1:15.70 |
Acceleration
| Speed & distance | Audi S6 (C6) | BMW M550i xDrive |
|---|---|---|
| 0 - 50 kph | 2.1 s | 1.6 s |
| 0 - 100 kph | 5.1 s | 4.0 s |
| 0 - 200 kph | 18.0 s | 14.1 s |
| Est. 1/8 mile | 9.3 s @ 92.0 mph | 8.6 s @ 98.2 mph |
| 1/4 mile | 13.3 s | 12.2 s |
General performance
| Category | Audi S6 (C6) | BMW M550i xDrive |
|---|---|---|
| Top speed | 250 kph (155 mph) | 250 kph (155 mph) |
| Est. max acceleration | 0.61 g (6 m/s²) | 0.73 g (7 m/s²) |
| Fuel economy | 18.1 l/100 km (13 mpg US / 16 UK) | 8.4 l/100 km (28 mpg US / 34 UK) |
Summary
| Category | Audi S6 (C6) | BMW M550i xDrive |
|---|---|---|
| Track Performance | 89 | 100 |
| Straight line speed | 69 | 100 |
| Overall | 81 | 100 |
Verdict
M550i xDrive is the fastest by considerable margin.
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Acceleration graph
