Bmw X4 M40i G02 vs Porsche Cayenne V6 958.1 : which one is faster?
0-100 km/h, 400 m, 1000 m, top speed — physics simulation calibrated on 7 measures.
400 mSimulation 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 %.
Bmw X4 M40i vs Cayenne V6: chronicle of a drag race at 250 km/h
The launch: 0 to 100 km/h
Off the line, the Bmw X4 M40i hits 100 km/h in 4.76 s versus 7.16 s for the Cayenne V6. At this point, the Bmw X4 M40i leads by 2.41 s and sits roughly 14 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Bmw X4 M40i is doing 143 km/h against 122 km/h for the Cayenne V6. The gap is 1.31 s. The challenger starts to claw back ground.
At 400 metres standing start, the Bmw X4 M40i crosses the line in 12.99 s versus 15.12 s. The 2.13 s gap represents roughly 85 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the Bmw X4 M40i continues to build its lead. At 600 metres, it runs at 198 km/h versus 169 km/h. At 1,000 metres, the Bmw X4 M40i finishes in 23.60 s versus 27.65 s, with a 4.05 s lead.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the Bmw X4 M40i is capped at 250 km/h, the Cayenne V6 at 230 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 (5.16 kg/hp vs 6.56 kg/hp) and transmission (Automatic vs Manual).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.40 seconds. The 2.41 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Bmw X4 M40i has a clear edge over the Porsche Cayenne V6 to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.