Alfa Romeo 8C (2007 – 2009) vs Porsche 911 Turbo Cabriolet (2007 – 2009): specs compared

The Porsche 911 Turbo Cabriolet is the more powerful of the two, with up to 480 hp against 450 hp. It is quicker, reaching 100 km/h in 3.8 s against 4.2 s. It has the higher top speed: 311 km/h against 293 km/h. It uses less fuel, from 12.9 L/100 km against 15.8 L/100 km. The Alfa Romeo 8C is the lighter car, from 1,510 kg against 1,655 kg. At 4,450 mm, the Porsche 911 Turbo Cabriolet is 68 mm longer than the Alfa Romeo 8C.

Specification Alfa Romeo 8C Alfa Romeo 8C 2007 – 2009 Porsche 911 Turbo Cabriolet Porsche 911 Turbo Cabriolet 2007 – 2009
Overview
Origin Italy Germany
Documented years 2007 – 2009 2007 – 2009
Body style — Convertible
Variants 1 2
Fuel Petrol Petrol
Drive RWD AWD
Gearbox Automatic Automatic · Manual
Performance
Power 450 hp 480 hp
Torque 470 Nm 620 Nm
0–100 km/h 4.2 s 3.8 – 4.0 s
Top speed 293 km/h 311 km/h
Economy
Fuel economy 15.8 L/100 km 12.9 – 13.7 L/100 km
Dimensions
Length 4,382 mm 4,450 mm
Width 1,895 mm 1,852 mm
Height 1,341 mm 1,300 mm
Wheelbase 2,596 mm 2,350 mm
Curb weight 1,510 kg 1,655 – 1,690 kg

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

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