The Comparative Analysis :

Porsche 911 Speedster (19 - ..) vs. Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)

€ 269,300
Porsche 911 Speedster (19 - ..) Porsche 911 Speedster
€ 148,800
 Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18) Mercedes AMG GT S Roadster
€ 269,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 148,800

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ slightly. The Porsche 911 Speedster is 0.7 inches longer, 3.4 inches narrower and 0.4 inches lower than the Mercedes AMG GT S Roadster.
Porsche 911 Speedster
Mercedes AMG GT S Roadster
49.2
Blueprint Porsche 911 Speedster (19 - ..)
72.9
77.9
49.6
Blueprint Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)
76.3
81.7
72.9 in
Width
76.3 in
77.9 in
Width Incl. Mirrors
81.7 in
49.2 in
Height
49.6 in
Blueprint Porsche 911 Speedster (19 - ..)
96.7
179.6
Blueprint Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)
103.5
178.9
179.6 in
Length
178.9 in
96.7 in
Wheelbase
103.5 in

Vehicle Weight

Porsche 911 Speedster
Mercedes AMG GT S Roadster
3395 lb
Curb Weight
3825 lb
3953 lb
Gross Vehicle
Weight
4277 lb
Porsche 911 Speedster (19 - ..)
Weight Difference:
430 lb
11.24 %
Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)

General

Porsche 911 Speedster
Mercedes AMG GT S Roadster
991
Generation
C190
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual 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
4 L / 196 cu in
Displacement
4 L / 196 cu in
503 hp
at 8400 rpm
Power
515 hp
at 6250 rpm
Porsche 911 Speedster
503 hp
515 hp
Mercedes AMG GT S Roadster
347 lb‑ft
at 6250 rpm
Max. Torque
494 lb‑ft
at 1900 rpm
Porsche 911 Speedster
347 lb‑ft
494 lb‑ft
Mercedes AMG GT S Roadster

Performance

Porsche 911 Speedster
Mercedes AMG GT S Roadster
193 mph
Maximum Speed
191 mph
4 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph 62
mph

184 ft
0.000 sec

Porsche 911 Speedster

62 mph 62
mph

174 ft
0.000 sec

Mercedes AMG GT S Roadster

▶ REPLAY
6.75 lb/hp
Weight-to-Power Ratio
7.43 lb/hp
Porsche 911 Speedster
6.75 lb/hp
7.43 lb/hp
Mercedes AMG GT S Roadster

Fuel Economy / Emissions

Porsche 911 Speedster
Mercedes AMG GT S Roadster
Fuel Economy
17 mpg
combined
20 mpg
Porsche 911 Speedster
17 mpg
20 mpg
Mercedes AMG GT S Roadster
11 mpg
city
15 mpg
24 mpg
highway
26 mpg
Kraftstoffanzeige
16.9 gal
Fuel Tank Capacity
17.2 gal
Kraftstoffanzeige
288 mi
Range
351 mi
Porsche 911 Speedster
288 mi
351 mi
Mercedes AMG GT S Roadster
Environmental Impact
261.5 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).
217.9 kWh
Porsche 911 Speedster
261.5 kWh
217.9 kWh
Mercedes AMG GT S Roadster
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
Emission Standard
Euro 6d-TEMP (WLTP) 36AG-AI
499 g/mi (WLTP)
CO2 Emissions
446 g/mi (WLTP)

Practical Convenience

Porsche 911 Speedster
Mercedes AMG GT S Roadster
2
Doors
2
2
No. of Seats
2
558 lb
Maximum Payload
452 lb
3.5 cu ft
Trunk Volume
4.7 cu ft
No data
Cargo Volume (Seats Down)
No data