Porsche 911 GT3 (2006 – 2009) vs Mercedes-Benz SLK AMG (2006 – 2008): specs compared

The Porsche 911 GT3 is the more powerful of the two, with up to 415 hp against 400 hp. It is quicker, reaching 100 km/h in 4.3 s against 4.5 s. It has the higher top speed: 311 km/h against 280 km/h. The Mercedes-Benz SLK AMG uses less fuel, from 12.4 L/100 km against 12.8 L/100 km. The Porsche 911 GT3 is the lighter car, from 1,395 kg against 1,495 kg. At 4,427 mm, the Porsche 911 GT3 is 340 mm longer than the Mercedes-Benz SLK AMG.

Specification Porsche 911 GT3 Porsche 911 GT3 2006 – 2009 Mercedes-Benz SLK AMG Mercedes-Benz SLK AMG 2006 – 2008
Overview
Origin Germany Germany
Documented years 2006 – 2009 2006 – 2008
Body style — —
Variants 1 1
Fuel Petrol Petrol
Drive RWD RWD
Gearbox Manual Automatic
Performance
Power 415 hp 400 hp
Torque 405 Nm 520 Nm
0–100 km/h 4.3 s 4.5 s
Top speed 311 km/h 280 km/h
Economy
Fuel economy 12.8 L/100 km 12.4 L/100 km
Dimensions
Length 4,427 mm 4,087 mm
Width 1,808 mm 1,793 mm
Height 1,280 mm 1,270 mm
Wheelbase 2,355 mm 2,431 mm
Curb weight 1,395 kg 1,495 kg

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

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