Over 0–100 km/h, XC40 B4 and 520i Touring G30 are neck and neck (8,16 s vs 8,23 s, no significant gap).
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.
| XC40 B4 | 520i Touring G30 | |
|---|---|---|
| 0–100 km/h | 8,23 s | 8,16 s+0,07 s |
| 400 m standing start | 16,11 s | 15,95 s+0,16 s |
| 1,000 m standing start | 29,39 s | 29,29 s+0,10 s |
| Top speed (electronically limited) | 180 km/h | 222 km/h−42 km/h |
| Power-to-weight ratio | 8,17 kg/hpbetter ratio | 8,89 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 | XC40 B4 | 520i Touring G30 |
|---|---|---|
| 0–30 km/h | 1,98 s | 1,63 s |
| 0–50 km/h | 3,12 s | 2,83 s |
| 0–80 km/h | 5,74 s | 5,58 s |
| 0–100 km/h | 8,23 s | 8,16 stight gap |
| 0–120 km/h | 11,35 s | 11,46 stight gap |
| 0–160 km/h | 21,46 s | 21,54 stight gap |
| 0–200 km/h | - | 43,80 s |
| 400 m standing start | 16,11 s | 15,95 s |
| 1,000 m standing start | 29,39 s | 29,29 stight gap |
| Top speed | 180 km/h | 222 km/h |
Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.
| Characteristic | Value | Detail |
|---|---|---|
| Power | 197 hp | Pending |
| Torque | 300 Nm | |
| Weight | 1 610 kg | manufacturer kerb weight |
| Drivetrain | Traction | |
| Gearbox | 8-speed Geartronic |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 184 hp | 4 cyl |
| Torque | 290 Nm | |
| Weight | 1 635 kg | manufacturer kerb weight |
| Drivetrain | Propulsion | |
| Gearbox | 8-speed Steptronic |
Off the line, the Bmw 520i Touring hits 100 km/h in 8.16 s versus 8.23 s for the XC40 B4. The 0.07 s gap is negligible: both vehicles are neck and neck.
At 200 metres, the Bmw 520i Touring is doing 114 km/h against 115 km/h for the XC40 B4. The gap is 0.21 s. The gap widens compared to the 0-100.
At 400 metres standing start, the Bmw 520i Touring crosses the line in 15.95 s versus 16.10 s. The 0.15 s gap represents roughly 6 m of track - barely a car length.
Past 400 metres, the gap narrows. The XC40 B4 maxes out at 180 km/h while the Bmw 520i Touring keeps accelerating towards 222 km/h. At 600 metres, the gap has dropped to 0.12 s.
At 1,000 metres, the Bmw 520i Touring finishes in 29.29 s versus 29.39 s, with just 0.10 s to spare. The XC40 B4 fails to fully close the launch gap.
On paper, the XC40 B4 combines 197 hp, 300 Nm and 1,610 kg - a clear theoretical edge over the Bmw 520i Touring. Yet the Bmw 520i Touring launches quicker. At standstill, both motors deliver peak torque from 0 rpm: the decisive factor is no longer raw power, but available grip. If the Bmw 520i Touring has a better traction coefficient (tyres, weight distribution, traction control calibration), it puts down more force despite inferior specs - exactly what the simulation reflects, calibrated on manufacturer 0-100 km/h times.
Both rivals are electronically governed, but not at the same level: the XC40 B4 is capped at 180 km/h, the Bmw 520i Touring at 225 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 (8.17 kg/hp vs 8.89 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 13.47 seconds. The 0.07 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Over 0–100 km/h, XC40 B4 and 520i Touring G30 are neck and neck (8,16 s vs 8,23 s, no significant gap).
XC40 B4 goes from 0 to 100 km/h in 8,23 seconds (calibrated simulation).
XC40 B4: 197 hp, ratio 8,17 kg/hp. 520i Touring G30: 184 hp, ratio 8,89 kg/hp.
XC40 B4: 180 km/h. 520i Touring G30: 222 km/h.