Over 0–100 km/h, M5 CS F90 wins (3,03 s vs 5,57 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.
| M5 CS F90 | 840i Convertible G15 | |
|---|---|---|
| 0–100 km/h | 3,03 s−2,54 s | 5,57 s |
| 400 m standing start | 10,82 s−2,97 s | 13,79 s |
| 1,000 m standing start | 19,94 s−4,88 s | 24,82 s |
| Top speed (electronically limited) | 295 km/h+45 km/h | 250 km/h |
| Power-to-weight ratio | 2,87 kg/hpbetter ratio | 5,53 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 | M5 CS F90 | 840i Convertible G15 |
|---|---|---|
| 0–30 km/h | 0,91 s | 1,54 s |
| 0–50 km/h | 1,51 s | 2,50 s |
| 0–80 km/h | 2,37 s | 4,11 s |
| 0–100 km/h | 3,03 s | 5,57 s |
| 0–120 km/h | 3,74 s | 7,39 s |
| 0–160 km/h | 6,21 s | 12,34 s |
| 0–200 km/h | 9,97 s | 19,98 s |
| 400 m standing start | 10,82 s | 13,79 s |
| 1,000 m standing start | 19,94 s | 24,82 s |
| Top speed limited | 295 km/h | 250 km/h |
Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.
| Characteristic | Value | Detail |
|---|---|---|
| Power | 635 hp | Pending |
| Torque | 750 Nm | |
| Weight | 1 825 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | 8-speed M Steptronic transmission with Drivelogic, transmission oil cooling |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 333 hp | 6 cyl |
| Torque | 500 Nm | |
| Weight | 1 840 kg | manufacturer kerb weight |
| Drivetrain | - | |
| Gearbox | 8-speed Steptronic |
Off the line, the Bmw M5 CS hits 100 km/h in 3.03 s versus 5.57 s for the Bmw 840i Convertible. At this point, the Bmw M5 CS leads by 2.54 s and sits roughly 17 m ahead.
At 200 metres, the Bmw M5 CS is doing 170 km/h against 136 km/h for the Bmw 840i Convertible. The gap is 2.06 s. The challenger starts to claw back ground.
At 400 metres standing start, the Bmw M5 CS crosses the line in 10.81 s versus 13.79 s. The 2.98 s gap represents roughly 132 m of track - a gap visible to the naked eye.
Past 400 metres, the Bmw M5 CS continues to build its lead. At 600 metres, it runs at 231 km/h versus 190 km/h. At 1,000 metres, the Bmw M5 CS finishes in 19.94 s versus 24.82 s, with a 4.88 s lead.
Both rivals are electronically governed, but not at the same level: the Bmw M5 CS is capped at 305 km/h, the Bmw 840i Convertible at 250 (i.e. 155 mph - industry threshold) 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 (2.87 kg/hp vs 5.53 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.44 seconds. The 2.54 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Over 0–100 km/h, M5 CS F90 wins (3,03 s vs 5,57 s).
M5 CS F90 goes from 0 to 100 km/h in 3,03 seconds (calibrated simulation).
M5 CS F90: 635 hp, ratio 2,87 kg/hp. 840i Convertible G15: 333 hp, ratio 5,53 kg/hp.
M5 CS F90: 295 km/h. 840i Convertible G15: 250 km/h.