Porsche Cayenne S Hybrid 958.1 vs Porsche 911 Carrera Cab 991.1: which is truly faster?

Off the line, the 911 Carrera Cab hits 100 km/h in 4.52 s versus 6.22 s for the Cayenne S Hybrid. At this point, the 911 Carrera Cab leads by 1.71 s and sits roughly 9 m ahead.

At 200 metres, the 911 Carrera Cab is doing 148 km/h against 127 km/h for the Cayenne S Hybrid. The gap is 1.00 s. The challenger starts to claw back ground.

At 400 metres standing start, the 911 Carrera Cab crosses the line in 12.62 s versus 14.37 s. The 1.75 s gap represents roughly 74 m of track — a gap visible to the naked eye.

Past 400 metres, the 911 Carrera Cab continues to build its lead. At 600 metres, it runs at 208 km/h versus 175 km/h. At 1,000 metres, the 911 Carrera Cab finishes in 22.72 s versus 26.38 s, with a 3.66 s lead.

Both rivals are electronically governed, but not at the same level: the Cayenne S Hybrid is capped at 242 km/h, the 911 Carrera Cab at 289 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 (5.89 kg/hp vs 4.29 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.71 seconds. The 1.71 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.