Mercedes-Benz SLK AMG (2004 – 2008) vs Porsche 911 GT3 RS (2004 – 2006): specs compared

The Porsche 911 GT3 RS is the more powerful of the two, with up to 381 hp against 360 hp. It is quicker, reaching 100 km/h in 4.4 s against 4.9 s. It has the higher top speed: 306 km/h against 250 km/h. The Mercedes-Benz SLK AMG uses less fuel, from 12.0 L/100 km against 12.9 L/100 km. The Porsche 911 GT3 RS is the lighter car, from 1,360 kg against 1,540 kg. At 4,435 mm, the Porsche 911 GT3 RS is 348 mm longer than the Mercedes-Benz SLK AMG.

Specification Mercedes-Benz SLK AMG Mercedes-Benz SLK AMG 2004 – 2008 Porsche 911 GT3 RS Porsche 911 GT3 RS 2004 – 2006
Overview
Origin Germany Germany
Documented years 2004 – 2008 2004 – 2006
Body style — —
Variants 1 1
Fuel Petrol Petrol
Drive RWD RWD
Gearbox Automatic Manual
Performance
Power 360 hp 381 hp
Torque 510 Nm 385 Nm
0–100 km/h 4.9 s 4.4 s
Top speed 250 km/h 306 km/h
Economy
Fuel economy 12.0 L/100 km 12.9 L/100 km
Dimensions
Length 4,087 mm 4,435 mm
Width 1,793 mm 1,770 mm
Height 1,270 mm 1,275 mm
Wheelbase 2,431 mm 2,355 mm
Curb weight 1,540 kg 1,360 kg

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

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