Lexus IS 350 F Sport RWD 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 95%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 95 %.
IS 350 F Sport RWD vs Boxster: chronicle of a drag race at 252 km/h
The launch: 0 to 100 km/h
Off the line, the Boxster hits 100 km/h in 5.60 s versus 5.94 s for the IS 350 F Sport RWD. At this point, the Boxster leads by 0.34 s and sits roughly 9 m ahead.
From 100 km/h to 400 metres
At 200 metres, the Boxster is doing 134 km/h against 136 km/h for the IS 350 F Sport RWD. The gap is 0.29 s. The gap remains stable from the start.
At 400 metres standing start, the Boxster crosses the line in 13.86 s versus 14.07 s. The 0.21 s gap represents roughly 10 m of track — barely a car length.
Beyond 400 metres: top speed comes into play
Past 400 metres, the gap narrows. The IS 350 F Sport RWD maxes out at 240 km/h while the Boxster keeps accelerating towards 252 km/h. At 600 metres, the gap has dropped to 0.16 s.
At 1,000 metres, the Boxster finishes in 25.21 s versus 25.26 s, with just 0.05 s to spare. The IS 350 F Sport RWD fails to fully close the launch gap.
What the numbers don’t tell you
Both rivals are electronically governed, but not at the same level: the IS 350 F Sport RWD is capped at 240 km/h, the Boxster at 262 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 (5.43 kg/hp vs 5.15 kg/hp) and transmission (Automatic vs Unknown).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.71 seconds. The 0.34 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche Boxster is slightly faster than the Lexus IS 350 F Sport RWD to 100 km/h. The edge holds on standing starts but may narrow at higher speeds depending on aerodynamic load.