Porsche Cayenne Turbo S 958.1 vs Bmw X6 M50i G06 : 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 95%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 95 %.
Cayenne Turbo S vs Bmw X6 M50i: chronicle of a drag race at 279 km/h
The launch: 0 to 100 km/h
Off the line, the Bmw X6 M50i hits 100 km/h in 4.26 s versus 4.36 s for the Cayenne Turbo S. At this point, the Bmw X6 M50i leads by 0.10 s and sits roughly 2 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Bmw X6 M50i is doing 154 km/h against 152 km/h for the Cayenne Turbo S. The gap is 0.10 s. The gap remains stable from the start.
At 400 metres standing start, the Bmw X6 M50i crosses the line in 12.29 s versus 12.42 s. The 0.12 s gap represents roughly 7 m of track — barely a car length.
Beyond 400 metres: top speed comes into play
Past 400 metres, the Bmw X6 M50i continues to build its lead. At 600 metres, it runs at 214 km/h versus 211 km/h. At 1,000 metres, the Bmw X6 M50i finishes in 22.14 s versus 22.41 s, with a 0.28 s lead. Despite a higher top speed (279 km/h), the Cayenne Turbo S never recovers its launch deficit.
What the numbers don’t tell you
On paper, the Cayenne Turbo S combines 570 hp, 800 Nm and 2,170 kg — a clear theoretical edge over the Bmw X6 M50i. Yet the Bmw X6 M50i launches quicker. At standstill, both motors deliver peak torque from 0 rpm: the decisive factor is no longer raw power, but available grip. If the Bmw X6 M50i has a better traction coefficient (tyres, weight distribution, traction control calibration), it puts down more force despite inferior specs — exactly what the simulation reflects, calibrated on manufacturer 0-100 km/h times.
Both rivals are electronically governed, but not at the same level: the Cayenne Turbo S is capped at 282 km/h, the Bmw X6 M50i at 250 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 (3.81 kg/hp vs 4.23 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.36 seconds. The 0.10 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Bmw X6 M50i is slightly faster than the Porsche Cayenne Turbo S to 100 km/h. The edge holds on standing starts but may narrow at higher speeds depending on aerodynamic load.