Porsche Macan Turbo 95B.1 vs Bmw 840i Convertible G15 : which one is faster?
0-100 km/h, 400 m, 1000 m, top speed — physics simulation calibrated on 7 measures.
400 mSimulation 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 %.
Macan Turbo vs Bmw 840i Convertible: chronicle of a drag race at 264 km/h
The launch: 0 to 100 km/h
Off the line, the Macan Turbo hits 100 km/h in 4.65 s versus 5.57 s for the Bmw 840i Convertible. At this point, the Macan Turbo leads by 0.92 s and sits roughly 11 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Macan Turbo is doing 143 km/h against 136 km/h for the Bmw 840i Convertible. The gap is 0.65 s. The challenger starts to claw back ground.
At 400 metres standing start, the Macan Turbo crosses the line in 12.93 s versus 13.79 s. The 0.86 s gap represents roughly 40 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the Macan Turbo continues to build its lead. At 600 metres, it runs at 197 km/h versus 190 km/h. At 1,000 metres, the Macan Turbo finishes in 23.62 s versus 24.82 s, with a 1.20 s lead. Both vehicles have similar top speeds (264 vs 250 km/h), preventing any comeback.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the Macan Turbo is capped at 264 km/h, the Bmw 840i Convertible 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 (4.81 kg/hp vs 5.53 kg/hp) and transmission (Automatic vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.44 seconds. The 0.92 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche Macan Turbo has a clear edge over the Bmw 840i Convertible to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.