Porsche 911 Turbo S 991.1 vs Bmw X4 M Competition G02 : which one is faster?
0-100 km/h, 400 m, 1000 m, top speed — physics simulation calibrated on 7 measures.
400 m
Simulation de performance
Race simulation at real speed
CONFIDENCE 92%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 92 %.
911 Turbo S vs Bmw X4 M Competition: chronicle of a drag race at 317 km/h
The launch: 0 to 100 km/h
Off the line, the 911 Turbo S hits 100 km/h in 2.95 s versus 4.13 s for the Bmw X4 M Competition. At this point, the 911 Turbo S leads by 1.18 s and sits roughly 8 m ahead.
From 100 km/h to 400 metres
At 200 metres, the 911 Turbo S is doing 176 km/h against 151 km/h for the Bmw X4 M Competition. The gap is 1.03 s. The challenger starts to claw back ground.
At 400 metres standing start, the 911 Turbo S crosses the line in 10.57 s versus 12.22 s. The 1.65 s gap represents roughly 83 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the 911 Turbo S continues to build its lead. At 600 metres, it runs at 243 km/h versus 207 km/h. At 1,000 metres, the 911 Turbo S finishes in 19.22 s versus 22.35 s, with a 3.13 s lead.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the 911 Turbo S is capped at 317 km/h, the Bmw X4 M Competition at 250 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 (2.83 kg/hp vs 3.91 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.14 seconds. The 1.18 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche 911 Turbo S has a clear edge over the Bmw X4 M Competition to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.