Mercedes-Benz SL-Klasse (2016 – 2020) vs Porsche 911 R (2016 – 2019): specs compared

The Porsche 911 R is the more powerful of the two, with up to 500 hp against 455 hp. It is quicker, reaching 100 km/h in 3.8 s against 4.3 s. It has the higher top speed: 323 km/h against 249 km/h. The Mercedes-Benz SL-Klasse uses less fuel, from 7.7 L/100 km against 13.3 L/100 km. The Porsche 911 R is the lighter car, from 1,370 kg against 1,735 kg. At 4,630 mm, the Mercedes-Benz SL-Klasse is 99 mm longer than the Porsche 911 R.

Specification Mercedes-Benz SL-Klasse Mercedes-Benz SL-Klasse 2016 – 2020 Porsche 911 R Porsche 911 R 2016 – 2019
Overview
Origin Germany Germany
Documented years 2016 – 2020 2016 – 2019
Body style — —
Variants 2 1
Fuel Petrol Petrol
Drive RWD RWD
Gearbox Automatic Manual
Performance
Power 367 – 456 hp 500 hp
Torque 500 – 700 Nm 460 Nm
0–100 km/h 4.3 – 4.9 s 3.8 s
Top speed 249 km/h 323 km/h
Economy
Fuel economy 7.7 – 9.0 L/100 km 13.3 L/100 km
Dimensions
Length 4,630 mm 4,531 mm
Width 1,877 mm —
Height 1,316 mm 1,275 mm
Wheelbase 2,586 mm 2,456 mm
Curb weight 1,735 – 1,795 kg 1,370 kg

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

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