Bmw i4 M50 xDrive G26 vs Porsche 718 Cayman GT4 RS : 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 97%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 97 %.
Bmw i4 M50 xDrive vs 718 Cayman GT4 RS: chronicle of a drag race at 321 km/h
The launch: 0 to 100 km/h
Off the line, the 718 Cayman GT4 RS hits 100 km/h in 3.35 s versus 3.92 s for the Bmw i4 M50 xDrive. Despite lacking instant torque, 500 hp of power compensates. At this point, the 718 Cayman GT4 RS leads by 0.57 s and sits roughly 7 m ahead.
From 100 km/h to 400 metres
At 200 metres, the 718 Cayman GT4 RS is doing 170 km/h against 155 km/h for the Bmw i4 M50 xDrive. The gap is 0.58 s. The gap remains stable from the start.
At 400 metres standing start, the 718 Cayman GT4 RS crosses the line in 11.05 s versus 12.01 s. The 0.96 s gap represents roughly 50 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the 718 Cayman GT4 RS continues to build its lead. At 600 metres, it runs at 237 km/h versus 216 km/h. At 1,000 metres, the 718 Cayman GT4 RS finishes in 19.94 s versus 21.97 s, with a 2.03 s lead.
What the numbers don’t tell you
Electronically capped at 225 km/h, the Bmw i4 M50 xDrive 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.
Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 5.72 seconds. The 0.57 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche 718 Cayman GT4 RS has a clear edge over the Bmw i4 M50 xDrive to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.