Audi S6 vs BMW M550i xDrive
| Category | Audi S6 | BMW M550i xDrive |
|---|---|---|
| Engine layout | 4.0 l V8 | 4.4 l V8 |
| Max power (ps / bhp) | 420 / 414 | 462 / 456 |
| Max torque (Nm / lb-ft) | 550 / 406 | 650 / 479 |
| Curb weight (kg / lb) | 1888 / 4162 | 1938 / 4273 |
| Power / tonne (ps / bhp) | 222 / 219 | 238 / 235 |
Acceleration
| Speed & distance | Audi S6 | BMW M550i xDrive |
|---|---|---|
| 0 - 80 kph | 3.1 s | 2.9 s |
| 0 - 100 kph | 4.4 s | 4.0 s |
| 0 - 130 kph | 6.8 s | 6.1 s |
| 0 - 200 kph | 15.7 s | 14.1 s |
| 0 - 60 mph | 3.7 s | 3.8 s |
| Est. 1/8 mile | 8.8 s @ 96.3 mph | 8.6 s @ 98.2 mph |
| 1/4 mile | 12.1 s @ 115.0 mph | 12.2 s |
General performance
| Category | Audi S6 | BMW M550i xDrive |
|---|---|---|
| Top speed | 250 kph (155 mph) | 250 kph (155 mph) |
| Est. max acceleration | 0.70 g (7 m/s²) | 0.73 g (7 m/s²) |
| Fuel economy | 16.8 l/100 km (14 mpg US / 17 UK) | 8.4 l/100 km (28 mpg US / 34 UK) |
| Lateral acceleration | 0.87 g (9 m/s²) | 0.92 g (9 m/s²) |
Summary
| Category | Audi S6 | BMW M550i xDrive |
|---|---|---|
| Track Performance | 0 | 0 |
| Straight line speed | 89 | 100 |
| Overall | 89 | 100 |
Verdict
M550i xDrive is the fastest by considerable margin.
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Acceleration graph
