Bmw X7 M50i G07 vs Porsche Cayenne GTS Coupe E3.1 : which one is faster?
0-100 km/h, 400 m, 1000 m, top speed — physics simulation calibrated on 7 measures.
Simulation de performance
Race simulation at real speed
CONFIDENCE 96%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 96 %.
Bmw X7 M50i vs Cayenne GTS Coupe: chronicle of a drag race at 266 km/h
The launch: 0 to 100 km/h
Off the line, the Cayenne GTS Coupe hits 100 km/h in 4.35 s versus 4.74 s for the Bmw X7 M50i. At this point, the Cayenne GTS Coupe leads by 0.39 s and sits roughly 11 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Cayenne GTS Coupe is doing 142 km/h against 144 km/h for the Bmw X7 M50i. The gap is 0.37 s. The gap remains stable from the start.
At 400 metres standing start, the Cayenne GTS Coupe crosses the line in 12.64 s versus 12.92 s. The 0.28 s gap represents roughly 14 m of track — two to three car lengths.
Beyond 400 metres: top speed comes into play
Past 400 metres, the gap narrows. The Bmw X7 M50i maxes out at 250 km/h while the Cayenne GTS Coupe keeps accelerating towards 266 km/h. At 600 metres, the gap has dropped to 0.21 s.
At 1,000 metres, the Cayenne GTS Coupe finishes in 23.34 s versus 23.38 s, with just 0.04 s to spare. The Bmw X7 M50i fails to fully close the launch gap.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the Bmw X7 M50i is capped at 250 km/h, the Cayenne GTS Coupe at 270 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 (4.70 kg/hp vs 4.86 kg/hp) and transmission (Automatic vs Unknown).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.08 seconds. The 0.39 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche Cayenne GTS Coupe is slightly faster than the Bmw X7 M50i to 100 km/h. The edge holds on standing starts but may narrow at higher speeds depending on aerodynamic load.