Over 0–100 km/h, M550d xDrive G30 wins (4,46 s vs 7,38 s).
Performance comparison
Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.
Simulation
Calibration
Physics model calibrated on manufacturer splits. The limited top speed is not the real aerodynamic top speed of the vehicles.
| M550d xDrive G30 | 120d F40 | |
|---|---|---|
| 0–100 km/h | 4,46 s−2,92 s | 7,38 s |
| 400 m standing start | 12,66 s−2,75 s | 15,41 s |
| 1,000 m standing start | 22,92 s−4,98 s | 27,90 s |
| Top speed (electronically limited) | 250 km/h+19 km/h | 231 km/h |
| Power-to-weight ratio | 4,61 kg/hpbetter ratio | 7,63 kg/hp |
Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.
Simulated performance at each stage. Winner in green.
| Palier | M550d xDrive G30 | 120d F40 |
|---|---|---|
| 0–30 km/h | 1,24 s | 1,87 s |
| 0–50 km/h | 2,01 s | 3,04 s |
| 0–80 km/h | 3,29 s | 5,29 s |
| 0–100 km/h | 4,46 s | 7,38 s |
| 0–120 km/h | 5,90 s | 9,97 s |
| 0–160 km/h | 9,81 s | 17,66 s |
| 0–200 km/h | 15,59 s | 32,84 s |
| 400 m standing start | 12,66 s | 15,41 s |
| 1,000 m standing start | 22,92 s | 27,90 s |
| Top speed limited | 250 km/h | 231 km/h |
Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.
| Characteristic | Value | Detail |
|---|---|---|
| Power | 400 hp | 6 cyl |
| Torque | 760 Nm | |
| Weight | 1 845 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | 8-speed Steptronic |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 190 hp | Pending |
| Torque | 400 Nm | |
| Weight | 1 450 kg | manufacturer kerb weight |
| Drivetrain | - | |
| Gearbox | 8-speed Steptronic transmission |
Off the line, the M550d xDrive hits 100 km/h in 4.46 s versus 7.38 s for the 120d. At this point, the M550d xDrive leads by 2.92 s and sits roughly 22 m ahead.
At 200 metres, the M550d xDrive is doing 146 km/h against 121 km/h for the 120d. The gap is 1.84 s. The challenger starts to claw back ground.
At 400 metres standing start, the M550d xDrive crosses the line in 12.66 s versus 15.41 s. The 2.75 s gap represents roughly 110 m of track - a gap visible to the naked eye.
Past 400 metres, the M550d xDrive continues to build its lead. At 600 metres, it runs at 204 km/h versus 168 km/h. At 1,000 metres, the M550d xDrive finishes in 22.91 s versus 27.90 s, with a 4.98 s lead.
Both rivals are electronically governed, but not at the same level: the M550d xDrive is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 120d at 231 km/h. This isn’t a physical engine limit - it’s a manufacturer choice, usually for tyre safety or homologation reasons. Neither car reaches its true aerodynamic top speed.
With two combustion powertrains, the difference comes down to power-to-weight ratio (4.61 kg/hp vs 7.63 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.54 seconds. The 2.92 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Over 0–100 km/h, M550d xDrive G30 wins (4,46 s vs 7,38 s).
M550d xDrive G30 goes from 0 to 100 km/h in 4,46 seconds (calibrated simulation).
M550d xDrive G30: 400 hp, ratio 4,61 kg/hp. 120d F40: 190 hp, ratio 7,63 kg/hp.
M550d xDrive G30: 250 km/h. 120d F40: 231 km/h.