The Comparative Analysis :
Porsche 911 Speedster PDK (10 - 12) vs. Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - ..)
€ 201,700

€ 151,100

€ 201,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 151,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Porsche 911 Speedster is 4.1 inches shorter, 3.4 inches narrower and an inch taller than the Mercedes AMG GT S Roadster.
Porsche 911 Speedster
Mercedes AMG GT S Roadster
50.6
72.9
80.8
49.6
76.3
81.7
72.9 in
Width
76.3 in
80.8 in
Width Incl. Mirrors
81.7 in
50.6 in
Height
49.6 in
92.5
174.8
103.5
178.9
174.8 in
Length
178.9 in
92.5 in
Wheelbase
103.5 in
Vehicle Weight
Porsche 911 Speedster
Mercedes AMG GT S Roadster
3560 lb
Curb Weight
3748 lb
4233 lb
Gross Vehicle
Weight
Weight
4277 lb

Weight Difference:
187 lb
4.99 %

General
Porsche 911 Speedster
Mercedes AMG GT S Roadster
997
Generation
C190
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
7-speed dual clutch transmission
Engine
Porsche 911 Speedster
Mercedes AMG GT S Roadster
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 178
Engine Code
M 178.980

4
Valves
4
6
Cylinders
8
3.8 L / 186 cu in
Displacement
4 L / 196 cu in
402 hp
at 7300 rpm
Power
515 hp
at 6250 rpm
Porsche 911 Speedster
402 hp
515 hp
Mercedes AMG GT S Roadster
310 lb‑ft
at 4200 rpm
Max. Torque
494 lb‑ft
at 1900 rpm
Porsche 911 Speedster
310 lb‑ft
494 lb‑ft
Mercedes AMG GT S Roadster
Performance
Porsche 911 Speedster
Mercedes AMG GT S Roadster
190 mph
Maximum Speed
191 mph
4.4 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph
62
mph
mph
200 ft
0.000 sec

Porsche 911 Speedster
62 mph
62
mph
mph
174 ft
0.000 sec

Mercedes AMG GT S Roadster
▶ REPLAY
8.86 lb/hp
Weight-to-Power Ratio
7.28 lb/hp
Porsche 911 Speedster
8.86 lb/hp
7.28 lb/hp
Mercedes AMG GT S Roadster
Fuel Economy / Emissions
Porsche 911 Speedster
Mercedes AMG GT S Roadster
Fuel Economy
23 mpg
combined
20 mpg
Porsche 911 Speedster
23 mpg
20 mpg
Mercedes AMG GT S Roadster
15 mpg
city
15 mpg
32 mpg
highway
26 mpg
16.9 gal
Fuel Tank Capacity
17.2 gal
386 mi
Range
351 mi
Porsche 911 Speedster
386 mi
351 mi
Mercedes AMG GT S Roadster
Environmental Impact
195.2 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
217.9 kWh
Porsche 911 Speedster
195.2 kWh
217.9 kWh
Mercedes AMG GT S Roadster
Euro 5
Emission Standard
Euro 6d-TEMP
389 g/mi (NEFZ)
CO2 Emissions
446 g/mi (WLTP)
Practical Convenience
Porsche 911 Speedster
Mercedes AMG GT S Roadster
2
Doors
2
2
No. of Seats
2
672 lb
Maximum Payload
529 lb
3.8 cu ft
Trunk Volume
4.7 cu ft



No data
Cargo Volume (Seats Down)
No data