Porsche Cayenne E-Hybrid Coupe E3.1 vs Bmw M340i xDrive G20 : 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 94%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 94 %.
Cayenne E-Hybrid Coupe vs Bmw M340i xDrive: chronicle of a drag race at 253 km/h
The launch: 0 to 100 km/h
Off the line, the Bmw M340i xDrive hits 100 km/h in 4.32 s versus 4.84 s for the Cayenne E-Hybrid Coupe. At this point, the Bmw M340i xDrive leads by 0.52 s and sits roughly 6 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Bmw M340i xDrive is doing 147 km/h against 139 km/h for the Cayenne E-Hybrid Coupe. The gap is 0.41 s. The challenger starts to claw back ground.
At 400 metres standing start, the Bmw M340i xDrive crosses the line in 12.46 s versus 13.14 s. The 0.67 s gap represents roughly 32 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the Bmw M340i xDrive continues to build its lead. At 600 metres, it runs at 206 km/h versus 193 km/h. At 1,000 metres, the Bmw M340i xDrive finishes in 22.65 s versus 24.06 s, with a 1.42 s lead. Both vehicles have similar top speeds (253 vs 250 km/h), preventing any comeback.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the Cayenne E-Hybrid Coupe is capped at 253 km/h, the Bmw M340i xDrive 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 (5.25 kg/hp vs 4.77 kg/hp) and transmission (Unknown vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.56 seconds. The 0.52 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Bmw M340i xDrive has a clear edge over the Porsche Cayenne E-Hybrid Coupe to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.