Porsche Cayenne Turbo S 958.1 vs Alfa Romeo Giulia Quadrifoglio : 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 95%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 95 %.
Cayenne Turbo S vs Giulia Quadrifoglio: chronicle of a drag race at 307 km/h
The launch: 0 to 100 km/h
Off the line, the Giulia Quadrifoglio hits 100 km/h in 3.94 s versus 4.36 s for the Cayenne Turbo S. At this point, the Giulia Quadrifoglio leads by 0.42 s and sits roughly 4 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Giulia Quadrifoglio is doing 164 km/h against 152 km/h for the Cayenne Turbo S. The gap is 0.39 s. The gap remains stable from the start.
At 400 metres standing start, the Giulia Quadrifoglio crosses the line in 11.74 s versus 12.42 s. The 0.68 s gap represents roughly 35 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the Giulia Quadrifoglio continues to build its lead. At 600 metres, it runs at 228 km/h versus 211 km/h. At 1,000 metres, the Giulia Quadrifoglio finishes in 20.93 s versus 22.41 s, with a 1.49 s lead.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the Cayenne Turbo S is capped at 282 km/h, the Giulia Quadrifoglio at 307 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 (3.81 kg/hp vs 3.10 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.36 seconds. The 0.42 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Alfa Romeo Giulia Quadrifoglio has a clear edge over the Porsche Cayenne Turbo S to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.