Bmw X7 M50i G07 vs Porsche Cayenne GTS 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: chronicle of a drag race at 266 km/h
The launch: 0 to 100 km/h
Off the line, the Cayenne GTS hits 100 km/h in 4.37 s versus 4.74 s for the Bmw X7 M50i. At this point, the Cayenne GTS leads by 0.37 s and sits roughly 11 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Cayenne GTS is doing 142 km/h against 144 km/h for the Bmw X7 M50i. The gap is 0.36 s. The gap remains stable from the start.
At 400 metres standing start, the Cayenne GTS crosses the line in 12.66 s versus 12.92 s. The 0.26 s gap represents roughly 13 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 keeps accelerating towards 266 km/h. At 600 metres, the gap has dropped to 0.19 s.
At 1,000 metres, the Cayenne GTS finishes in 23.37 s versus 23.38 s, with just 0.01 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 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 4.88 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 0.37 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche Cayenne GTS 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.