The Comparative Analysis :

Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18) vs. Porsche 918 Spyder PDK (13 - 15)

€ 148,800
Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18) Mercedes AMG GT S Roadster
€ 768,000
 Porsche 918 Spyder PDK (13 - 15) Porsche 918 Spyder
€ 148,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 768,000

ⓘ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 Mercedes AMG GT S Roadster is 4 inches shorter, 0 inches narrower and 3.6 inches taller than the Porsche 918 Spyder.
Mercedes AMG GT S Roadster
Porsche 918 Spyder
49.6
Blueprint Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)
76.3
81.7
45.9
Blueprint Porsche 918 Spyder PDK (13 - 15)
76.4
84.3
76.3 in
Width
76.4 in
81.7 in
Width Incl. Mirrors
84.3 in
49.6 in
Height
45.9 in
Blueprint Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)
103.5
178.9
Blueprint Porsche 918 Spyder PDK (13 - 15)
107.5
182.9
178.9 in
Length
182.9 in
103.5 in
Wheelbase
107.5 in

Vehicle Weight

Mercedes AMG GT S Roadster
Porsche 918 Spyder
3825 lb
Curb Weight
3858 lb
4277 lb
Gross Vehicle
Weight
4189 lb
Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)
Weight Difference:
33 lb
0.86 %
Porsche 918 Spyder PDK (13 - 15)

General

Mercedes AMG GT S Roadster
Porsche 918 Spyder
C190
Generation
918
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

Mercedes AMG GT S Roadster
Porsche 918 Spyder
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
8-cylinder plug-in hybrid gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz M 178
Engine Series
M 178.980
Engine Code
4
Valves
4
8
Cylinders
8
4 L / 196 cu in
Displacement
4.6 L / 225 cu in
515 hp
at 6250 rpm
Power
875 hp
at 0 rpm
Mercedes AMG GT S Roadster
515 hp
875 hp
Porsche 918 Spyder
494 lb‑ft
at 1900 rpm
Max. Torque
944 lb‑ft
at 1000 rpm
Mercedes AMG GT S Roadster
494 lb‑ft
944 lb‑ft
Porsche 918 Spyder

Performance

Mercedes AMG GT S Roadster
Porsche 918 Spyder
191 mph
Maximum Speed
214 mph
3.8 sec
Acceleration 0 to 62 mph
2.6 sec
62 mph 62
mph

174 ft
0.000 sec

Mercedes AMG GT S Roadster

62 mph 62
mph

118 ft
0.000 sec

Porsche 918 Spyder

▶ REPLAY
7.43 lb/hp
Weight-to-Power Ratio
4.41 lb/hp
Mercedes AMG GT S Roadster
7.43 lb/hp
4.41 lb/hp
Porsche 918 Spyder

Fuel Economy / Emissions

Mercedes AMG GT S Roadster
Porsche 918 Spyder
Fuel Economy
20 mpg
combined
76 mpg
Mercedes AMG GT S Roadster
20 mpg
76 mpg
Porsche 918 Spyder
15 mpg
city
No data
26 mpg
highway
No data
Kraftstoffanzeige
17.2 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
351 mi
Range
1403 mi
Mercedes AMG GT S Roadster
351 mi
1403 mi
Porsche 918 Spyder
Environmental Impact
217.9 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).
58.7 kWh
Mercedes AMG GT S Roadster
217.9 kWh
58.7 kWh
Porsche 918 Spyder
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6b (NEFZ)
446 g/mi (WLTP)
CO2 Emissions
116 g/mi (NEFZ)

Practical Convenience

Mercedes AMG GT S Roadster
Porsche 918 Spyder
2
Doors
2
2
No. of Seats
2
452 lb
Maximum Payload
331 lb
4.7 cu ft
Trunk Volume
3.1 cu ft
No data
Cargo Volume (Seats Down)
No data