BMW iX xDrive50 I20 vs Porsche Panamera 4S Sport Turismo 971 : 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%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 Sport Turismo: chronicle of a drag race at 283 km/h
The launch: 0 to 100 km/h
Off the line, the Panamera 4S Sport Turismo hits 100 km/h in 4.25 s versus 4.69 s for the iX xDrive50. Despite lacking instant torque, 440 hp of power compensates. At this point, the Panamera 4S Sport Turismo leads by 0.44 s and sits roughly 9 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Panamera 4S Sport Turismo is doing 145 km/h against 144 km/h for the iX xDrive50. The gap is 0.38 s. The gap remains stable from the start.
At 400 metres standing start, the Panamera 4S Sport Turismo crosses the line in 12.50 s versus 12.93 s. The 0.43 s gap represents roughly 21 m of track — two to three car lengths.
Beyond 400 metres: top speed comes into play
Past 400 metres, the Panamera 4S Sport Turismo 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 Sport Turismo finishes in 22.90 s versus 23.92 s, with a 1.02 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 Sport Turismo at 285 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 7.07 seconds. The 0.44 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche Panamera 4S Sport Turismo is slightly faster than the BMW iX xDrive50 to 100 km/h. The edge holds on standing starts but may narrow at higher speeds depending on aerodynamic load.