I thought the s55 shared engines with the g55? (Since 493hp)
Mercedes-Benz S 55 AMG (W220 493 PS) specs
| Car type | 4-door saloon |
| Curb weight | 1955 kg (4310 lbs) |
| Introduced | 2003 |
| Origin country | Germany |
| Views | 25.2k |
| Submitted by | audi r8 |
Performance
| 0 - 100 kph | 4.8 s |
| 0 - 200 kph | 16.6 s |
| Est. 100 - 200 kph | 11.8 s |
| Est. 0 - 60 mph | 4.5 s |
| Est. 1/8 mile | 9.1 s @ 93.8 mph |
| 1/4 mile | 12.9 s |
| Top speed | 250 kph (155 mph) |
| Est. max acceleration | 0.64 g (6 m/s²) |
Powertrain specs
| Engine type | V8 (supercharged) |
| Displacement | 5.5 l (336 ci) |
| Power | 493 ps (486 bhp / 363 kw) |
| Torque | 700 Nm (516 lb-ft) |
| Power / liter | 90 ps (88 hp) |
| Power / weight | 252 ps (249 bhp) / t |
| Torque / weight | 358 Nm (264 lb-ft) / t |
| Transmission | 5 speed (manu-matic) |
| Layout | front engine, rear wheel drive |
S 55 AMG competition
