Over 0–100 km/h, Model S P85D wins (3,33 s vs 4,81 s).
Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.
| Measure | Model S P85D | 840i xDrive G15 | Gap |
|---|---|---|---|
| 0–100 km/h | 3.33 s | 4.81 s | 1.48 s · Model S P85D |
| 400 m standing start | 11.18 s | 13.04 s | 1.86 s · Model S P85D |
| 1,000 m standing start | 20.31 s | 23.66 s | 3.35 s · Model S P85D |
| Top speed (electronically limited) | 250 km/h | 250 km/h | Same |
| Power-to-weight ratio | 3.24 kg/hp | 5.21 kg/hp | better ratio · Model S P85D |
Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.
| Stage | Model S P85D | 840i xDrive G15 |
|---|---|---|
| 0–30 km/h | 0.98 s | 1.25 s |
| 0–50 km/h | 1.64 s | 2.08 s |
| 0–80 km/h | 2.62 s | 3.50 s |
| 0–100 km/h | 3.33 s | 4.81 s |
| 0–120 km/h | 4.21 s | 6.39 s |
| 0–160 km/h | 6.80 s | 10.74 s |
| 0–200 km/h | 10.49 s | 17.33 s |
| 400 m standing start | 11.18 s | 13.04 s |
| 1,000 m standing start | 20.31 s | 23.66 s |
| Top speed limited | 250 km/h | 250 km/h |
Physics model calibrated on manufacturer splits. The limited top speed is not the real aerodynamic top speed of the vehicles.
Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.
| Characteristic | Value | Detail |
|---|---|---|
| Power | 691 hp | Dual Permanent Magnet Synchronous Motor |
| Torque | 931 Nm | |
| Weight | 2 239 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | Single-speed fixed gear |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 340 hp | 6 cyl |
| Torque | 500 Nm | |
| Weight | 1 770 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | 8-speed Steptronic |
Off the line, the Model S P85D hits 100 km/h in 3.33 s versus 4.81 s for the 840i xDrive. The instant torque of 931 Nm from the electric motor makes the difference. At this point, the Model S P85D leads by 1.48 s and sits roughly 10 m ahead.
At 200 metres, the Model S P85D is doing 167 km/h against 142 km/h for the 840i xDrive. The gap is 1.20 s. The challenger starts to claw back ground.
At 400 metres standing start, the Model S P85D crosses the line in 11.17 s versus 13.04 s. The 1.86 s gap represents roughly 88 m of track - a gap visible to the naked eye.
Past 400 metres, the Model S P85D continues to build its lead. At 600 metres, it runs at 232 km/h versus 198 km/h. At 1,000 metres, the Model S P85D finishes in 20.31 s versus 23.66 s, with a 3.35 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 250 (i.e. 155 mph - industry threshold) km/h), preventing any comeback.
Both rivals share the same electronic speed cap: the Model S P85D and the 840i xDrive are governed to 249 (i.e. 155 mph - industry threshold) km/h. At that speed, standard-fit tyres approach their safety threshold - an industrial ceiling common to most electric vehicles in this segment. Neither car shows its true aerodynamic potential in this duel.
Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.34 seconds. The 1.48 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Over 0–100 km/h, Model S P85D wins (3,33 s vs 4,81 s).
Model S P85D goes from 0 to 100 km/h in 3,33 seconds (calibrated simulation).
Model S P85D: 691 hp, ratio 3,24 kg/hp. 840i xDrive G15: 340 hp, ratio 5,21 kg/hp.
Model S P85D: 250 km/h. 840i xDrive G15: 250 km/h.