Porsche 911 Targa 4 GTS (2015 – 2021) vs Mercedes-AMG GT Coupe (2015 – 2017): specs compared

The Mercedes-AMG GT Coupe is the more powerful of the two, with up to 510 hp against 430 hp. It is quicker, reaching 100 km/h in 3.8 s against 4.3 s. It has the higher top speed: 311 km/h against 303 km/h. The Porsche 911 Targa 4 GTS is the lighter car, from 1,535 kg against 1,615 kg.

Specification Porsche 911 Targa 4 GTS Porsche 911 Targa 4 GTS 2015 – 2021 Mercedes-AMG GT Coupe Mercedes-AMG GT Coupe 2015 – 2017
Overview
Origin Germany Germany
Documented years 2015 – 2021 2015 – 2017
Body style Targa · Convertible Coupé
Variants 2 2
Fuel Petrol Petrol
Drive AWD RWD
Gearbox Automatic · Manual Automatic
Performance
Power 430 hp 462 – 510 hp
Torque 440 Nm 601 – 650 Nm
0–100 km/h 4.3 – 4.6 s 3.8 – 4.0 s
Top speed 301 – 303 km/h 304 – 311 km/h
Economy
Fuel economy 9.2 – 10.0 L/100 km 9.3 – 9.6 L/100 km
Dimensions
Length 4,509 mm 4,547 mm
Width 1,852 mm 2,075 mm
Height 1,290 mm 1,288 mm
Wheelbase 2,451 mm 2,629 mm
Curb weight 1,535 – 1,555 kg 1,615 – 1,645 kg

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

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