Mercedes-Benz SLK-Klasse (2011 – 2016) vs Porsche Boxster S (2012 – 2016): specs compared

The Porsche Boxster S is the more powerful of the two, with up to 315 hp against 306 hp. It is quicker, reaching 100 km/h in 5.0 s against 5.6 s. It has the higher top speed: 277 km/h against 249 km/h. The Mercedes-Benz SLK-Klasse uses less fuel, from 5.0 L/100 km against 8.1 L/100 km. The Porsche Boxster S is the lighter car, from 1,320 kg against 1,470 kg. At 4,374 mm, the Porsche Boxster S is 239 mm longer than the Mercedes-Benz SLK-Klasse.

Specification Mercedes-Benz SLK-Klasse Mercedes-Benz SLK-Klasse 2011 – 2016 Porsche Boxster S Porsche Boxster S 2012 – 2016
Overview
Origin Germany Germany
Documented years 2011 – 2016 2012 – 2016
Body style — —
Variants 6 2
Fuel Petrol, Diesel Petrol
Drive RWD RWD
Gearbox Automatic · Manual Automatic · Manual
Performance
Power 184 – 306 hp 315 hp
Torque 270 – 500 Nm 361 Nm
0–100 km/h 5.6 – 7.3 s 5.0 – 5.1 s
Top speed 237 – 249 km/h 270 – 277 km/h
Economy
Fuel economy 5.0 – 7.1 L/100 km 8.1 – 8.7 L/100 km
Dimensions
Length 4,135 mm 4,374 mm
Width 1,811 – 1,816 mm 1,801 mm
Height 1,300 – 1,303 mm 1,280 mm
Wheelbase 2,431 mm 2,474 mm
Curb weight 1,470 – 1,590 kg 1,320 – 1,350 kg

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

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