BMW 750Li xDrive G11 vs Porsche Panamera 4 E-Hybrid 971: which is truly faster?

Off the line, the 750Li xDrive hits 100 km/h in 4.05 s versus 4.56 s for the Panamera 4 E-Hybrid. Despite lacking instant torque, 530 hp of power compensates. At this point, the 750Li xDrive leads by 0.51 s and sits roughly 1 m ahead.

At 200 metres, the 750Li xDrive is doing 162 km/h against 143 km/h for the Panamera 4 E-Hybrid. The gap is 0.50 s. The gap remains stable from the start.

At 400 metres standing start, the 750Li xDrive crosses the line in 11.80 s versus 12.86 s. The 1.06 s gap represents roughly 51 m of track - a gap visible to the naked eye.

Past 400 metres, the 750Li xDrive continues to build its lead. At 600 metres, it runs at 229 km/h versus 198 km/h. At 1,000 metres, the 750Li xDrive finishes in 21.02 s versus 23.49 s, with a 2.47 s lead. Despite a higher top speed (273 km/h), the Panamera 4 E-Hybrid never recovers its launch deficit.

Both rivals are electronically governed, but not at the same level: the 750Li xDrive is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Panamera 4 E-Hybrid at 278 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 7.10 seconds. The 0.51 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.