Sur 0–100 km/h, Cayman GT4 981 gagne (3,95 s vs 8,14 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.
| Cayman GT4 981 | 420i Convertible G22 | |
|---|---|---|
| 0–100 km/h | 3,95 s−4,19 s | 8,14 s |
| 400 m standing start | 11,90 s−4,07 s | 15,97 s |
| 1,000 m standing start | 21,60 s−7,37 s | 28,97 s |
| Top speed (electronically limited) | 295 km/h+59 km/h | 236 km/h |
| Power-to-weight ratio | 3,48 kg/hpbetter ratio | 9,18 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 | Cayman GT4 981 | 420i Convertible G22 |
|---|---|---|
| 0–30 km/h | 0,98 s | 1,81 s |
| 0–50 km/h | 1,63 s | 3,07 s |
| 0–80 km/h | 2,98 s | 5,69 s |
| 0–100 km/h | 3,95 s | 8,14 s |
| 0–120 km/h | 4,99 s | 11,24 s |
| 0–160 km/h | 8,18 s | 20,26 s |
| 0–200 km/h | 12,74 s | 36,93 s |
| 400 m standing start | 11,90 s | 15,97 s |
| 1,000 m standing start | 21,60 s | 28,97 s |
| Top speed | 295 km/h | 236 km/h |
Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.
| Characteristic | Value | Detail |
|---|---|---|
| Power | 385 hp | B6 |
| Torque | 419 Nm | |
| Weight | 1 340 kg | manufacturer kerb weight |
| Drivetrain | Propulsion | |
| Gearbox | MANUAL |
| Characteristic | Value | Detail |
|---|---|---|
| Power | 184 hp | 4 cyl |
| Torque | 300 Nm | |
| Weight | 1 690 kg | manufacturer kerb weight |
| Drivetrain | 420i Convertible | |
| Gearbox | Eight-speed Steptronic transmission |
Off the line, the Cayman GT4 hits 100 km/h in 3.95 s versus 8.14 s for the Bmw 420i Convertible. At this point, the Cayman GT4 leads by 4.19 s and sits roughly 26 m ahead.
At 200 metres, the Cayman GT4 is doing 155 km/h against 115 km/h for the Bmw 420i Convertible. The gap is 2.64 s. The challenger starts to claw back ground.
At 400 metres standing start, the Cayman GT4 crosses the line in 11.90 s versus 15.96 s. The 4.06 s gap represents roughly 151 m of track — a gap visible to the naked eye.
Past 400 metres, the Cayman GT4 continues to build its lead. At 600 metres, it runs at 218 km/h versus 161 km/h. At 1,000 metres, the Cayman GT4 finishes in 21.59 s versus 28.97 s, with a 7.37 s lead.
Electronically capped at 236 km/h, the Bmw 420i Convertible never reaches its natural aerodynamic ceiling in this duel. That’s not a physical limit of the motor — it’s a deliberate manufacturer decision, typically tied to standard-fit tyre ratings or model-range positioning.
With two combustion powertrains, the difference comes down to power-to-weight ratio (3.48 kg/hp vs 9.18 kg/hp) and transmission (Manual vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 13.10 seconds. The 4.19 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.
Sur 0–100 km/h, Cayman GT4 981 gagne (3,95 s vs 8,14 s).
Cayman GT4 981 passe de 0 à 100 km/h en 3,95 secondes (simulation calibrée).
Cayman GT4 981 : 385 hp, ratio 3,48 kg/hp. 420i Convertible G22 : 184 hp, ratio 9,18 kg/hp.
Cayman GT4 981 : 295 km/h. 420i Convertible G22 : 236 km/h.