Porsche Boxster S (2002 – 2005) vs BMW Z4 Roadster (2002 – 2006): specs compared

The Porsche Boxster S is the more powerful of the two, with up to 260 hp against 231 hp. It is quicker, reaching 100 km/h in 5.7 s against 5.9 s. It has the higher top speed: 264 km/h against 250 km/h. The BMW Z4 Roadster uses less fuel, from 6.9 L/100 km against 10.5 L/100 km. It is the lighter car, from 1,220 kg against 1,320 kg. At 4,321 mm, the Porsche Boxster S is 229 mm longer than the BMW Z4 Roadster.

Specification Porsche Boxster S Porsche Boxster S 2002 – 2005 BMW Z4 Roadster BMW Z4 Roadster 2002 – 2006
Overview
Origin Germany Germany
Documented years 2002 – 2005 2002 – 2006
Body style — Roadster · Convertible
Variants 2 5
Fuel Petrol Petrol
Drive RWD RWD
Gearbox Automatic · Manual Automatic · Manual
Performance
Power 260 hp 152 – 231 hp
Torque 310 Nm 201 – 300 Nm
0–100 km/h 5.7 – 6.4 s 5.9 – 8.2 s
Top speed 257 – 264 km/h 220 – 250 km/h
Economy
Fuel economy 10.5 – 11.1 L/100 km 6.9 – 9.5 L/100 km
Dimensions
Length 4,321 mm 4,092 mm
Width 1,781 mm 1,781 mm
Height 1,290 mm 1,298 mm
Wheelbase 2,416 mm 2,494 mm
Curb weight 1,320 – 1,360 kg 1,220 – 1,365 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

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