Over 0–100 km/h, X3 M40i G01 and X4 M40i G02 are neck and neck (4,78 s vs 4,87 s, no significant gap).
Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.
| Measure | X3 M40i G01 | X4 M40i G02 | Gap |
|---|---|---|---|
| 0–100 km/h | 4.78 s | 4.87 s | 0.08 s · X3 M40i G01 |
| 400 m standing start | 13.02 s | 13.08 s | 0.06 s · X3 M40i G01 |
| 1,000 m standing start | 23.68 s | 23.70 s | 0.02 s · X3 M40i G01 |
| Top speed (electronically limited) | 250 km/h | 250 km/h | Same |
| Power-to-weight ratio | 5.13 kg/hp | 5.18 kg/hp | better ratio · X3 M40i G01 |
Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.
| Stage | X3 M40i G01 | X4 M40i G02 |
|---|---|---|
| 0–30 km/h | 1.28 s · tight gap | 1.33 s |
| 0–50 km/h | 2.12 s · tight gap | 2.21 s |
| 0–80 km/h | 3.53 s · tight gap | 3.62 s |
| 0–100 km/h | 4.78 s · tight gap | 4.87 s |
| 0–120 km/h | 6.35 s · tight gap | 6.42 s |
| 0–160 km/h | 10.65 s · tight gap | 10.68 s |
| 0–200 km/h | 17.43 s | 17.33 s · tight gap |
| 400 m standing start | 13.02 s · tight gap | 13.08 s |
| 1,000 m standing start | 23.68 s · tight gap | 23.70 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 | 360 hp | 6 cyl |
| Torque | 500 Nm | |
| Weight | 1 845 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | 8-speed Steptronic |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 360 hp | 6 cyl |
| Torque | 500 Nm | |
| Weight | 1 865 kg | manufacturer kerb weight |
| Drivetrain | - | |
| Gearbox | 8-speed Steptronic |
Off the line, the X3 M40i hits 100 km/h in 4.78 s versus 4.87 s for the X4 M40i. The 0.08 s gap is negligible: both vehicles are neck and neck.
At 200 metres, the X3 M40i is doing 142 km/h against 142 km/h for the X4 M40i. The gap is 0.07 s. The gap remains stable from the start.
At 400 metres standing start, the X3 M40i crosses the line in 13.02 s versus 13.08 s. The 0.06 s gap represents roughly 3 m of track - barely a car length.
Past 400 metres, nothing changes. Same ceiling, same acceleration, same trajectory - both rivals run in formation to the line. The 0.02 s gap at 1,000 metres confirms what the specs already suggested: on track, they’re interchangeable. The real contest happens elsewhere - range, comfort, charging network reliability.
Both rivals share the same electronic speed cap: the X3 M40i and the X4 M40i are governed to 250 (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.
With two combustion powertrains, the difference comes down to power-to-weight ratio (5.13 kg/hp vs 5.18 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.33 seconds. The 0.08 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Swap one of the two models to explore an equivalent duel in the same segment.
Over 0–100 km/h, X3 M40i G01 and X4 M40i G02 are neck and neck (4,78 s vs 4,87 s, no significant gap).
X3 M40i G01 goes from 0 to 100 km/h in 4,78 seconds (calibrated simulation).
X3 M40i G01: 360 hp, ratio 5,13 kg/hp. X4 M40i G02: 360 hp, ratio 5,18 kg/hp.
X3 M40i G01: 250 km/h. X4 M40i G02: 250 km/h.