Porsche 911 Carrera 4 (Manual) 991.1 vs Bmw X3 xDrive30e G01 : 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 %.
911 Carrera 4 (Manual) vs Bmw X3 xDrive30e: chronicle of a drag race at 284 km/h
The launch: 0 to 100 km/h
Off the line, the 911 Carrera 4 (Manual) hits 100 km/h in 4.86 s versus 6.14 s for the Bmw X3 xDrive30e. At this point, the 911 Carrera 4 (Manual) leads by 1.28 s and sits roughly 7 m ahead.
From 100 km/h to 400 metres
At 200 metres, the 911 Carrera 4 (Manual) is doing 144 km/h against 127 km/h for the Bmw X3 xDrive30e. The gap is 0.76 s. The challenger starts to claw back ground.
At 400 metres standing start, the 911 Carrera 4 (Manual) crosses the line in 12.96 s versus 14.38 s. The 1.42 s gap represents roughly 61 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the 911 Carrera 4 (Manual) continues to build its lead. At 600 metres, it runs at 205 km/h versus 176 km/h. At 1,000 metres, the 911 Carrera 4 (Manual) finishes in 23.25 s versus 26.28 s, with a 3.03 s lead.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the 911 Carrera 4 (Manual) is capped at 284 km/h, the Bmw X3 xDrive30e at 210 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 (4.43 kg/hp vs 6.82 kg/hp) and transmission (Manual vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.78 seconds. The 1.28 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche 911 Carrera 4 (Manual) has a clear edge over the Bmw X3 xDrive30e to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.