Over 0–100 km/h, X3 M40i G01 and X4 M40i G02 are neck and neck (4,74 s vs 4,75 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 | 4.74 s | 4.75 s | 0.02 s · X3 M40i G01 |
| 400 m standing start | 12.98 s | 13.00 s | 0.02 s · X3 M40i G01 |
| 1,000 m standing start | 23.62 s | 23.61 s | 0.01 s · X4 M40i G02 |
| Top speed (electronically limited) | 250 km/h | 250 km/h | Same |
| Power-to-weight ratio | 5.19 kg/hp | 5.16 kg/hp | better ratio · X4 M40i G02 |
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 | 1.26 s · tight gap | 1.28 s |
| 0–50 km/h | 2.08 s · tight gap | 2.12 s |
| 0–80 km/h | 3.49 s · tight gap | 3.51 s |
| 0–100 km/h | 4.74 s · tight gap | 4.75 s |
| 0–120 km/h | 6.30 s · tight gap | 6.32 s |
| 0–160 km/h | 10.59 s | 10.58 s · tight gap |
| 0–200 km/h | 17.32 s | 17.20 s · tight gap |
| 400 m standing start | 12.98 s · tight gap | 13.00 s |
| 1,000 m standing start | 23.62 s | 23.61 s · tight gap |
| 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 | 1 870 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | 8-speed Steptronic |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 354 hp | 6 cyl |
| Torque | 500 Nm | |
| Weight | 1 825 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | 8-speed Steptronic |
Off the line, the X3 M40i hits 100 km/h in 4.74 s versus 4.76 s for the X4 M40i. The 0.02 s gap is negligible: both vehicles are neck and neck.
At 200 metres, the X3 M40i is doing 142 km/h against 143 km/h for the X4 M40i. The gap is 0.02 s. The gap remains stable from the start.
At 400 metres standing start, the X3 M40i crosses the line in 12.98 s versus 12.99 s. The 0.01 s gap represents roughly 1 m of track
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 (5.19 kg/hp vs 5.16 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.22 seconds. The 0.02 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 (4,74 s vs 4,75 s, no significant gap).
X3 M40i G01 goes from 0 to 100 km/h in 4,74 seconds (calibrated simulation).
X3 M40i G01: 360 hp, ratio 5,19 kg/hp. X4 M40i G02: 354 hp, ratio 5,16 kg/hp.
X3 M40i G01: 250 km/h. X4 M40i G02: 250 km/h.