The Comparative Analysis :
Mercedes SL 500 7G-TRONIC (08 - 11) vs. Porsche 911 Speedster (19 - ..)
€ 111,100

€ 269,300

€ 111,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 269,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The Mercedes SL 500 is 0.4 cm longer, 3.2 cm narrower and 4.8 cm taller than the Porsche 911 Speedster.
Mercedes SL 500
Porsche 911 Speedster
1298
1820
2075
1250
1852
1978
1820 mm
Width
1852 mm
2075 mm
Width Incl. Mirrors
1978 mm
1298 mm
Height
1250 mm
2560
4566
2457
4562
4566 mm
Length
4562 mm
2560 mm
Wheelbase
2457 mm
Vehicle Weight
Mercedes SL 500
Porsche 911 Speedster
1910 kg
Kerb Weight
1540 kg
2205 kg
Gross Vehicle
Weight
Weight
1793 kg

Weight Difference:
370 kg
19.37 %

General
Mercedes SL 500
Porsche 911 Speedster
R230
Generation
991
Roadster
Car Body Style
Roadster
Unleaded (95 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes SL 500
Porsche 911 Speedster
V8 petrol engine (naturally aspirated engine)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
Mercedes-Benz M 273
Engine Series
M 273.965
Engine Code

4
Valves
4
8
Cylinders
6
5461 CC
Engine Capacity
3996 CC
383 bhp
at 6000 rpm
Power
503 bhp
at 8400 rpm
Mercedes SL 500
383 bhp
503 bhp
Porsche 911 Speedster
530 NM
at 2800 rpm
Max. Torque
470 NM
at 6250 rpm
Mercedes SL 500
530 NM
470 NM
Porsche 911 Speedster
Performance
Mercedes SL 500
Porsche 911 Speedster
155 mph
Maximum Speed
193 mph
5.4 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
75 m
0.000 sec

Mercedes SL 500
62 mph
62
mph
mph
56 m
0.000 sec

Porsche 911 Speedster
▶ REPLAY
4.99 kg/bhp
Weight-to-Power Ratio
3.06 kg/bhp
Mercedes SL 500
4.99 kg/bhp
3.06 kg/bhp
Porsche 911 Speedster
Fuel Economy / Emissions
Mercedes SL 500
Porsche 911 Speedster
Fuel Economy
24 mpg
combined
20 mpg
Mercedes SL 500
24 mpg
20 mpg
Porsche 911 Speedster
16 mpg
city
14 mpg
34 mpg
motorway
29 mpg
80 L
Fuel Tank Capacity
64 L
418 mi
Range
288 mi
Mercedes SL 500
418 mi
288 mi
Porsche 911 Speedster
Environmental Impact
225.5 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).
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).
261.5 kWh
Mercedes SL 500
225.5 kWh
261.5 kWh
Porsche 911 Speedster
Euro 4 / Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
284 g/km (NEFZ)
CO2 Emissions
310 g/km (WLTP)
Practical Convenience
Mercedes SL 500
Porsche 911 Speedster
2
Doors
2
2
No. of Seats
2
295 kg
Maximum Payload
253 kg
339 L
Boot Capacity
125 L





No data
Boot Capacity (Seats Down)
No data