The Comparative Analysis :
Porsche 918 Spyder PDK (13 - 15) vs. Mercedes SL 400 9G-TRONIC (16 - ..)
€ 768,000
€ 99,300
€ 768,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 99,300
ⓘ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 918 Spyder is 0.6 inches longer, 2.5 inches wider and 5.8 inches lower than the Mercedes SL 400.
Porsche 918 Spyder
Mercedes SL 400
45.9
76.4
84.3
51.8
73.9
82.6
76.4 in
Width
73.9 in
84.3 in
Width Incl. Mirrors
82.6 in
45.9 in
Height
51.8 in
107.5
182.9
101.8
182.3
182.9 in
Length
182.3 in
107.5 in
Wheelbase
101.8 in
Vehicle Weight
Porsche 918 Spyder
Mercedes SL 400
3858 lb
Curb Weight
3825 lb
4189 lb
Gross Vehicle
Weight
Weight
4663 lb
Weight Difference:
33 lb
0.86 %
General
Porsche 918 Spyder
Mercedes SL 400
918
Generation
R231
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
9-speed automatic transmission
Engine
Porsche 918 Spyder
Mercedes SL 400
8-cylinder plug-in hybrid gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 276
Engine Code
M 276.825

4
Valves
4
8
Cylinders
6
4.6 L / 225 cu in
Displacement
3 L / 147 cu in
875 hp
at 0 rpm
Power
362 hp
at 5500 rpm
Porsche 918 Spyder
875 hp
362 hp
Mercedes SL 400
944 lb‑ft
at 1000 rpm
Max. Torque
369 lb‑ft
at 2000 rpm
Porsche 918 Spyder
944 lb‑ft
369 lb‑ft
Mercedes SL 400
Performance
Porsche 918 Spyder
Mercedes SL 400
214 mph
Maximum Speed
155 mph
2.6 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
118 ft
0.000 sec
Porsche 918 Spyder
62 mph
62
mph
mph
223 ft
0.000 sec
Mercedes SL 400
▶ REPLAY
4.41 lb/hp
Weight-to-Power Ratio
10.57 lb/hp
Porsche 918 Spyder
4.41 lb/hp
10.57 lb/hp
Mercedes SL 400
Fuel Economy / Emissions
Porsche 918 Spyder
Mercedes SL 400
Fuel Economy
76 mpg
combined
31 mpg
Porsche 918 Spyder
76 mpg
31 mpg
Mercedes SL 400
No data
city
22 mpg
No data
highway
39 mpg
18.5 gal
Fuel Tank Capacity
17.2 gal
1403 mi
Range
524 mi
Porsche 918 Spyder
1403 mi
524 mi
Mercedes SL 400
Environmental Impact
58.7 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).
145.8 kWh
Porsche 918 Spyder
58.7 kWh
145.8 kWh
Mercedes SL 400
Euro 6b (NEFZ)
Emission Standard
Euro 6
116 g/mi (NEFZ)
CO2 Emissions
282 g/mi (NEFZ)
Practical Convenience
Porsche 918 Spyder
Mercedes SL 400
2
Doors
2
2
No. of Seats
2
331 lb
Maximum Payload
838 lb
3.1 cu ft
Trunk Volume
14.3 cu ft






No data
Cargo Volume (Seats Down)
No data













