Porsche 911 Carrera Cabriolet (2024 – present) vs BMW Z4 Roadster (2024 – present): specs compared

The Porsche 911 Carrera Cabriolet is the more powerful of the two, with up to 394 hp against 340 hp. It is quicker, reaching 100 km/h in 4.2 s against 4.5 s. It has the higher top speed: 291 km/h against 249 km/h. The BMW Z4 Roadster is the lighter car, from 1,435 kg against 1,600 kg. At 4,542 mm, the Porsche 911 Carrera Cabriolet is 219 mm longer than the BMW Z4 Roadster.

Specification Porsche 911 Carrera Cabriolet Porsche 911 Carrera Cabriolet 2024 – present BMW Z4 Roadster BMW Z4 Roadster 2024 – present
Overview
Origin Germany Germany
Documented years 2024 – present 2024 – present
Body style Convertible Roadster · Convertible
Variants 1 5
Fuel Petrol Petrol
Drive RWD RWD
Gearbox Automatic Automatic · Manual
Performance
Power 394 hp 197 – 340 hp
Torque 4,500 Nm 320 – 500 Nm
0–100 km/h 4.2 s 4.5 – 6.8 s
Top speed 291 km/h 240 – 249 km/h
Economy
Fuel economy — 7.3 – 8.7 L/100 km
Dimensions
Length 4,542 mm 4,323 mm
Width 1,852 mm 1,864 mm
Height — 1,303 mm
Wheelbase 2,451 mm 2,469 mm
Curb weight 1,600 kg 1,435 – 1,550 kg

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

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