Over 0–100 km/h, GLC 400 4MATIC X254 wins (4,33 s vs 7,04 s).
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.
| GLC 400 4MATIC X254 | 420d F32 | |
|---|---|---|
| 0–100 km/h | 4,33 s−2,71 s | 7,04 s |
| 400 m standing start | 12,66 s−2,45 s | 15,11 s |
| 1,000 m standing start | 23,35 s−4,43 s | 27,78 s |
| Top speed (electronically limited) | 210 km/h | 240 km/h−30 km/h |
| Power-to-weight ratio | 5,18 kg/hpbetter ratio | 8,45 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 | GLC 400 4MATIC X254 | 420d F32 |
|---|---|---|
| 0–30 km/h | 1,17 s | 1,37 s |
| 0–50 km/h | 1,94 s | 2,40 s |
| 0–80 km/h | 3,21 s | 4,80 s |
| 0–100 km/h | 4,33 s | 7,04 s |
| 0–120 km/h | 5,77 s | 9,85 s |
| 0–160 km/h | 10,06 s | 18,13 s |
| 0–200 km/h | 16,35 s | 33,30 s |
| 400 m standing start | 12,66 s | 15,11 s |
| 1,000 m standing start | 23,35 s | 27,78 s |
| Top speed | 210 km/h | 240 km/h |
Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.
| Characteristic | Value | Detail |
|---|---|---|
| Power | 489 hp | Pending |
| Torque | 800 Nm | |
| Weight | 2 535 kg | manufacturer kerb weight |
| Drivetrain | Integrale (AWD) | |
| Gearbox | Unknown |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 190 hp | 4 cyl |
| Torque | 400 Nm | |
| Weight | 1 605 kg | manufacturer kerb weight |
| Drivetrain | - | |
| Gearbox | Eight-speed Steptronic transmission |
Off the line, the GLC 400 4MATIC hits 100 km/h in 4.34 s versus 7.04 s for the Bmw 420d. The instant torque of 800 Nm from the electric motor makes the difference. At this point, the GLC 400 4MATIC leads by 2.71 s and sits roughly 14 m ahead.
At 200 metres, the GLC 400 4MATIC is doing 145 km/h against 119 km/h for the Bmw 420d. The gap is 1.51 s. The challenger starts to claw back ground.
At 400 metres standing start, the GLC 400 4MATIC crosses the line in 12.66 s versus 15.10 s. The 2.45 s gap represents roughly 96 m of track - a gap visible to the naked eye.
Past 400 metres, the GLC 400 4MATIC continues to build its lead. At 600 metres, it runs at 201 km/h versus 166 km/h. At 1,000 metres, the GLC 400 4MATIC finishes in 23.35 s versus 27.77 s, with a 4.43 s lead. Despite a higher top speed (240 km/h), the Bmw 420d never recovers its launch deficit.
Both rivals are electronically governed, but not at the same level: the GLC 400 4MATIC is capped at 210 km/h, the Bmw 420d at 240 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.
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 11.60 seconds. The 2.71 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Over 0–100 km/h, GLC 400 4MATIC X254 wins (4,33 s vs 7,04 s).
GLC 400 4MATIC X254 goes from 0 to 100 km/h in 4,33 seconds (calibrated simulation).
GLC 400 4MATIC X254: 489 hp, ratio 5,18 kg/hp. 420d F32: 190 hp, ratio 8,45 kg/hp.
GLC 400 4MATIC X254: 210 km/h. 420d F32: 240 km/h.