Porsche 911 R (2016 – 2019) vs Mercedes-AMG GT Roadster (2016 – 2018): specs compared

The Mercedes-AMG GT Roadster is the more powerful of the two, with up to 557 hp against 500 hp. The Porsche 911 R has the higher top speed: 323 km/h against 315 km/h. The Mercedes-AMG GT Roadster uses less fuel, from 9.6 L/100 km against 13.3 L/100 km. The Porsche 911 R is the lighter car, from 1,370 kg against 1,670 kg.

Specification Porsche 911 R Porsche 911 R 2016 – 2019 Mercedes-AMG GT Roadster Mercedes-AMG GT Roadster 2016 – 2018
Overview
Origin Germany Germany
Documented years 2016 – 2019 2016 – 2018
Body style — Roadster · Convertible
Variants 1 2
Fuel Petrol Petrol
Drive RWD RWD
Gearbox Manual Automatic
Performance
Power 500 hp 476 – 557 hp
Torque 460 Nm 630 – 680 Nm
0–100 km/h 3.8 s 3.7 – 4.0 s
Top speed 323 km/h 303 – 315 km/h
Economy
Fuel economy 13.3 L/100 km 9.6 – 11.4 L/100 km
Dimensions
Length 4,531 mm 4,544 mm
Width — 2,075 mm
Height 1,275 mm 1,260 mm
Wheelbase 2,456 mm 2,629 mm
Curb weight 1,370 kg 1,670 – 1,735 kg

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

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