Bmw X7 M50i G07 vs Porsche 911 GT3 991.1 : which one is faster?
0-100 km/h, 400 m, 1000 m, top speed — physics simulation calibrated on 7 measures.
0-100Simulation de performance
Race simulation at real speed
CONFIDENCE 96%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 96 %.
Bmw X7 M50i vs 911 GT3: chronicle of a drag race at 313 km/h
The launch: 0 to 100 km/h
Off the line, the 911 GT3 hits 100 km/h in 4.08 s versus 4.74 s for the Bmw X7 M50i. At this point, the 911 GT3 leads by 0.66 s and sits roughly 9 m ahead.
From 100 km/h to 400 metres
At 200 metres, the 911 GT3 is doing 158 km/h against 144 km/h for the Bmw X7 M50i. The gap is 0.65 s. The gap remains stable from the start.
At 400 metres standing start, the 911 GT3 crosses the line in 11.85 s versus 12.92 s. The 1.07 s gap represents roughly 52 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the 911 GT3 continues to build its lead. At 600 metres, it runs at 225 km/h versus 201 km/h. At 1,000 metres, the 911 GT3 finishes in 21.23 s versus 23.38 s, with a 2.14 s lead.
What the numbers don’t tell you
Electronically capped at 250 km/h, the Bmw X7 M50i never reaches its natural aerodynamic ceiling in this duel. That’s not a physical limit of the motor — it’s a deliberate manufacturer decision, typically tied to standard-fit tyre ratings or model-range positioning.
With two combustion powertrains, the difference comes down to power-to-weight ratio (4.70 kg/hp vs 3.16 kg/hp) and transmission (Automatic vs Manual).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 7.08 seconds. The 0.66 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche 911 GT3 has a clear edge over the Bmw X7 M50i to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.