Bmw X5 xDrive45e G05 vs Porsche Cayenne 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
0Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 0 %.
Bmw X5 xDrive45e vs Cayenne Coupe: chronicle of a drag race at 243 km/h
The launch: 0 to 100 km/h
Off the line, the Bmw X5 xDrive45e hits 100 km/h in 5.57 s versus 5.77 s for the Cayenne Coupe. At this point, the Bmw X5 xDrive45e leads by 0.20 s and sits roughly 3 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Bmw X5 xDrive45e is doing 131 km/h against 131 km/h for the Cayenne Coupe. The gap is 0.14 s. The gap remains stable from the start.
At 400 metres standing start, the Bmw X5 xDrive45e crosses the line in 13.86 s versus 14.00 s. The 0.14 s gap represents roughly 6 m of track — barely a car length.
Beyond 400 metres: top speed comes into play
Past 400 metres, the gap narrows. The Bmw X5 xDrive45e maxes out at 235 km/h while the Cayenne Coupe keeps accelerating towards 243 km/h. At 600 metres, the gap has dropped to 0.12 s.
At 1,000 metres, the Bmw X5 xDrive45e finishes in 25.56 s versus 25.64 s, with just 0.08 s to spare. The Cayenne Coupe 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 X5 xDrive45e is capped at 235 km/h, the Cayenne Coupe at 243 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 (6.18 kg/hp vs 6.22 kg/hp) and transmission (Automatic vs Unknown).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.00 seconds. The 0.20 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Bmw X5 xDrive45e is slightly faster than the Porsche Cayenne Coupe to 100 km/h. The edge holds on standing starts but may narrow at higher speeds depending on aerodynamic load.