Over 0–100 km/h, 520d G30 wins (7,17 s vs 7,62 s).
Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.
| Measure | 520d G30 | 420i Steptronic Gran Coupe G22 | Gap |
|---|---|---|---|
| 0–100 km/h | 7.17 s | 7.62 s | 0.45 s · 520d G30 |
| 400 m standing start | 15.20 s | 15.55 s | 0.35 s · 520d G30 |
| 1,000 m standing start | 28.10 s | 28.34 s | 0.24 s · 520d G30 |
| Top speed (electronically limited) | 235 km/h | 236 km/h | 1 km/h · 420i Steptronic Gran Coupe G22 |
| Power-to-weight ratio | 8.82 kg/hp | 8.53 kg/hp | better ratio · 420i Steptronic Gran Coupe G22 |
Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.
| Stage | 520d G30 | 420i Steptronic Gran Coupe G22 |
|---|---|---|
| 0–30 km/h | 1.25 s | 1.65 s |
| 0–50 km/h | 2.35 s | 2.79 s |
| 0–80 km/h | 4.82 s | 5.28 s |
| 0–100 km/h | 7.17 s | 7.62 s |
| 0–120 km/h | 10.23 s | 10.51 s |
| 0–160 km/h | 18.99 s · tight gap | 19.00 s |
| 0–200 km/h | 35.92 s | 34.76 s |
| 400 m standing start | 15.20 s | 15.55 s |
| 1,000 m standing start | 28.10 s | 28.34 s |
| Top speed | 235 km/h | 236 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 | 190 hp | 4 cyl |
| Torque | 400 Nm | |
| Weight | 1 675 kg | manufacturer kerb weight |
| Drivetrain | Propulsion | |
| Gearbox | Eight-speed Steptronic transmission |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 184 hp | 4 cyl |
| Torque | 270 Nm | |
| Weight | 1 570 kg | manufacturer kerb weight |
| Drivetrain | - | |
| Gearbox | 8-speed Steptronic |
Off the line, the 520d hits 100 km/h in 7.17 s versus 7.62 s for the 420i Steptronic Gran Coupe. At this point, the 520d leads by 0.45 s and sits roughly 10 m ahead.
At 200 metres, the 520d is doing 117 km/h against 118 km/h for the 420i Steptronic Gran Coupe. The gap is 0.38 s. The gap remains stable from the start.
At 400 metres standing start, the 520d crosses the line in 15.20 s versus 15.55 s. The 0.35 s gap represents roughly 14 m of track - two to three car lengths.
Past 400 metres, the gap narrows.
At 1,000 metres, the 520d finishes in 28.10 s versus 28.34 s, with just 0.24 s to spare. The 420i Steptronic Gran Coupe fails to fully close the launch gap.
Both rivals share the same electronic speed cap: the 520d and the 420i Steptronic Gran Coupe are governed to 235 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 (8.82 kg/hp vs 8.53 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 12.25 seconds. The 0.45 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Over 0–100 km/h, 520d G30 wins (7,17 s vs 7,62 s).
520d G30 goes from 0 to 100 km/h in 7,17 seconds (calibrated simulation).
520d G30: 190 hp, ratio 8,82 kg/hp. 420i Steptronic Gran Coupe G22: 184 hp, ratio 8,53 kg/hp.
520d G30: 235 km/h. 420i Steptronic Gran Coupe G22: 236 km/h.