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Lexus IS 350 F Sport RWD vs Porsche Boxster 987 : which one is faster?

0-100 km/h, 400 m, 1000 m, top speed — physics simulation calibrated on 7 measures.

Lexus IS 350 F Sport RWD
0-100
58
0 – 100 km/h
5.94s
0.23 s
Boxster
5.72s
400 m standing start
14.08s
0.08 s
Boxster
14.00s
Top speed
240
4 km/h
Boxster
244
Power311 ch
Power259 ch
Torque380 Nm
Torque290 Nm
Weight1 690 kg
Weight1 335 kg
DrivetrainRear-wheel drive (RWD)
DrivetrainRear-wheel drive (RWD)
GearboxAutomatic · 6 sp.
GearboxAutomated manual ·…
Lexus IS 350 F Sport RWD
Lexus
IS 350 F Sport RWD
2018
5,94 s
240 km/h
Power311 ch
Torque380 Nm
Weight1 690 kg
DrivetrainRear-wheel drive (RWD)
Faster
Porsche
Boxster 987
2011
5,71 s
244 km/h
Power259 ch
Torque290 Nm
Weight1 335 kg
DrivetrainRear-wheel drive (RWD)
Lexus IS 350 F Sport RWD
2018 · PETROL · 311 ch
Porsche Boxster
2011 · PETROL · 259 ch
0-30 km/h1,69 s
0-50 km/h2,75 s
0-80 km/h4,59 s
0-100 km/h5,94 s
0-120 km/h7,73 s
0-160 km/h12,78 s
0-200 km/h21,09 s
400 m DA14,08 s
1 000 m DA25,26 s
VMax240 km/h
0-30 km/h1,41 s
0-50 km/h2,33 s
0-80 km/h4,29 s
0-100 km/h5,71 s
0-120 km/h7,87 s
0-160 km/h13,10 s
0-200 km/h21,41 s
400 m DA14,00 s
1 000 m DA25,25 s
VMax244 km/h
DQM95%
IS 350 F Sport RWD
--
Boxster
--

Simulation de performance

Race simulation at real speed

CONFIDENCE 95%
400 m result
14.00s
Porsche Boxster
Gap
0.08s
Distance
400 m
Dist.
IS 350
Gap
Boxster
0 m
0.00 s
0 km/h
0 m
0.00 s
0 km/h
100 m
6.42 s
106 km/h
~8 m
1½ long.
6.14 s
104 km/h
200 m
9.38 s
136 km/h
~7 m
1½ long.
9.19 s
132 km/h
400 m
14.07 s
168 km/h
~4 m
1 long.
13.99 s
165 km/h
600 m
18.11 s
188 km/h
~2 m
½ long.
18.07 s
187 km/h
1,000 m
25.26 s
213 km/h
~1 m
25.24 s
213 km/h

Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 95 %.

400 m
RACE MODE

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IS 350 F Sport RWD vs Boxster: chronicle of a drag race at 244 km/h

The launch: 0 to 100 km/h

Off the line, the Boxster hits 100 km/h in 5.72 s versus 5.94 s for the IS 350 F Sport RWD. At this point, the Boxster leads by 0.23 s and sits roughly 8 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Boxster is doing 132 km/h against 136 km/h for the IS 350 F Sport RWD. The gap is 0.19 s. The gap remains stable from the start.

At 400 metres standing start, the Boxster crosses the line in 13.99 s versus 14.07 s. The 0.08 s gap represents roughly 4 m of track — barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the gap narrows.

At 1,000 metres, the Boxster finishes in 25.24 s versus 25.26 s, with just 0.02 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 9.00 seconds. The 0.23 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.

Données de performance issues de simulations physiques calibrées (moteur Apex). Consommation basée sur les données WLTP constructeur. Les performances réelles peuvent varier selon les conditions d'utilisation.

Prix énergie indicatifs : essence 1,85€/L, diesel 1,75€/L, électricité 0,25€/kWh (tarif domestique). Calculs basés sur 20 000 km/an.

Caralogy est un service indépendant de comparaison. Les données affichées sont fournies à titre informatif et ne constituent pas une offre commerciale.