Porsche 911 Carrera 4 GTS Cabriolet (2014 – 2018) vs BMW i8 (2014 – 2018): specs compared

The Porsche 911 Carrera 4 GTS Cabriolet is the more powerful of the two, with up to 430 hp against 362 hp. It is quicker, reaching 100 km/h in 4.2 s against 4.4 s. It has the higher top speed: 303 km/h against 249 km/h. The BMW i8 uses less fuel, from 2.1 L/100 km against 9.2 L/100 km. It is the lighter car, from 1,560 kg against 1,615 kg.

Specification Porsche 911 Carrera 4 GTS Cabriolet Porsche 911 Carrera 4 GTS Cabriolet 2014 – 2018 BMW i8 BMW i8 2014 – 2018
Overview
Origin Germany Germany
Documented years 2014 – 2018 2014 – 2018
Body style Convertible —
Variants 2 1
Fuel Petrol Hybrid
Drive AWD AWD
Gearbox Automatic · Manual Automatic
Performance
Power 430 hp 362 hp
Torque 441 Nm 569 Nm
0–100 km/h 4.2 – 4.6 s 4.4 s
Top speed 301 – 303 km/h 249 km/h
Economy
Fuel economy 9.2 – 10.0 L/100 km 2.1 L/100 km
Dimensions
Length 1,509 mm 4,689 mm
Width 1,852 mm 1,943 mm
Height 1,293 mm 1,293 mm
Wheelbase 2,451 mm 2,799 mm
Curb weight 1,615 – 1,635 kg 1,560 kg

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

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