Mercedes-Benz AMG vs Porsche 911 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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Specs

Interior
	2026 Mercedes-Benz AMG 2.0 GT 43 Premium	2026 Porsche 911 3.0 Carrera 4 GTS Cabriolet
Powertrain	9-speed Automatic	8-speed Dual-clutch
Drivetrain	RWD	4X4
Fuel economy, city	--	--
Fuel economy, motorway	--	--
Fuel tank volume	265 L	238 L
Engine
Fuel type	Petrol	Petrol
Power	309 kW	398 kW
Torque	678 N-m @ 5,250 RPM	827 N-m @ 5,500 RPM
Cylinders	4 cylinders	6 cylinders
Engine size	1,991 cc	3,591 cc
Maximum seating	4 seats	4 seats
Front legroom	--	--
Rear legroom	--	--
Exterior
Length	120.09 m	115.65 m
Width	53.34 m	51.64 m
Height	34.52 m	33.12 m
Wheelbase	68.58 m	62.23 m

2026 Mercedes-Benz AMG

2.0 GT 43 Premium

2026 Porsche 911

3.0 Carrera 4 GTS Cabriolet

2026 Mercedes-Benz AMG

2.0 GT 43 Premium

2026 Porsche 911

3.0 Carrera 4 GTS Cabriolet