Porsche Panamera Turbo 970.1 vs Porsche Cayenne E-Hybrid E3.1: which is truly faster?

Off the line, the Panamera Turbo hits 100 km/h in 3.92 s versus 4.74 s for the Cayenne E-Hybrid. Despite lacking instant torque, 550 hp of power compensates. At this point, the Panamera Turbo leads by 0.82 s and sits roughly 6 m ahead.

At 200 metres, the Panamera Turbo is doing 153 km/h against 141 km/h for the Cayenne E-Hybrid. The gap is 0.61 s. The challenger starts to claw back ground.

At 400 metres standing start, the Panamera Turbo crosses the line in 12.01 s versus 13.01 s. The 1.00 s gap represents roughly 47 m of track - a gap visible to the naked eye.

Past 400 metres, the Panamera Turbo continues to build its lead. At 600 metres, it runs at 213 km/h versus 195 km/h. At 1,000 metres, the Panamera Turbo finishes in 21.90 s versus 23.81 s, with a 1.91 s lead.

Both rivals are electronically governed, but not at the same level: the Panamera Turbo is capped at 303 km/h, the Cayenne E-Hybrid at 253 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 7.35 seconds. The 0.82 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.