BMW iX xDrive50 I20 vs Porsche Panamera 4S 970.1 : 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 91%Why this result?
The BMW iX xDrive50 is faster at 0-100 km/h, but the Porsche Panamera 4S compensates at high speed thanks to higher peak power or top speed. At 400 m, Porsche Panamera 4S leads by 0.05 s.
Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 91 %.
iX xDrive50 vs Panamera 4S: chronicle of a drag race at 290 km/h
The launch: 0 to 100 km/h
Off the line, the iX xDrive50 hits 100 km/h in 4.69 s versus 4.72 s for the Panamera 4S. The instant torque of 765 Nm from the electric motor makes the difference. The 0.03 s gap is negligible: both vehicles are neck and neck.
From 100 km/h to 400 metres
At 200 metres, the Panamera 4S is doing 144 km/h against 144 km/h for the iX xDrive50. The gap is 0.00 s. The gap remains stable from the start.
At 400 metres standing start, the Panamera 4S crosses the line in 12.88 s versus 12.93 s. The 0.05 s gap represents roughly 2 m of track — barely a car length.
Beyond 400 metres: top speed comes into play
Past 400 metres, the Panamera 4S continues to build its lead. At 600 metres, it runs at 202 km/h versus 200 km/h. At 1,000 metres, the Panamera 4S finishes in 23.24 s versus 23.92 s, with a 0.68 s lead.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the iX xDrive50 is capped at 200 km/h, the Panamera 4S at 303 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.
Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.12 seconds. The 0.03 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
BMW iX xDrive50 is slightly faster than the Porsche Panamera 4S to 100 km/h. The edge holds on standing starts but may narrow at higher speeds depending on aerodynamic load.