Bmw 740d xDrive G11 vs Porsche Boxster 981 : 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 89%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 89 %.
Bmw 740d xDrive vs Boxster: chronicle of a drag race at 254 km/h
The launch: 0 to 100 km/h
Off the line, the Bmw 740d xDrive hits 100 km/h in 5.31 s versus 5.65 s for the Boxster. At this point, the Bmw 740d xDrive leads by 0.34 s and sits roughly 7 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Bmw 740d xDrive is doing 135 km/h against 136 km/h for the Boxster. The gap is 0.22 s. The challenger starts to claw back ground.
At 400 metres standing start, the Bmw 740d xDrive crosses the line in 13.61 s versus 13.74 s. The 0.14 s gap represents roughly 6 m of track — barely a car length.
Beyond 400 metres: top speed comes into play
Past 400 metres, the situation changes. Past 400 metres, both rivals hit the same electronic ceiling at 250 km/h. Neither can claw back ground through top speed — the outcome hinges on the acceleration curve between 100 and 250 km/h.
At 1,000 metres, the Boxster finishes in 24.75 s versus 24.76 s. The 0.00 s delta shows an extremely tight race.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the Bmw 740d xDrive is capped at 250 km/h, the Boxster at 264 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 (5.84 kg/hp vs 4.87 kg/hp) and transmission (Automatic vs Unknown).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.41 seconds. The 0.34 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Bmw 740d xDrive is slightly faster than the Porsche Boxster to 100 km/h. The edge holds on standing starts but may narrow at higher speeds depending on aerodynamic load.