The Comparative Analysis :
Mercedes SL 300 7G-TRONIC (09 - 11) vs. Porsche 911 Speedster PDK (10 - 12)
€ 82,600
€ 201,700
€ 82,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 201,700
ⓘ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 SL 300 is 5 inches longer, 1.3 inches narrower and 1.3 inches taller than the Porsche 911 Speedster.
Mercedes SL 300
Porsche 911 Speedster
51.9
71.7
81.7
50.6
72.9
80.8
71.7 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
80.8 in
51.9 in
Height
50.6 in
100.8
179.8
92.5
174.8
179.8 in
Length
174.8 in
100.8 in
Wheelbase
92.5 in
Vehicle Weight
Mercedes SL 300
Porsche 911 Speedster
4001 lb
Curb Weight
3560 lb
4652 lb
Gross Vehicle
Weight
Weight
4233 lb
Weight Difference:
441 lb
11.02 %
General
Mercedes SL 300
Porsche 911 Speedster
R230
Generation
997
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes SL 300
Porsche 911 Speedster
V6 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 272
Engine Series
M 272.949
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.8 L / 186 cu in
228 hp
at 6000 rpm
Power
402 hp
at 7300 rpm
Mercedes SL 300
228 hp
402 hp
Porsche 911 Speedster
221 lb‑ft
at 2500 rpm
Max. Torque
310 lb‑ft
at 4200 rpm
Mercedes SL 300
221 lb‑ft
310 lb‑ft
Porsche 911 Speedster
Performance
Mercedes SL 300
Porsche 911 Speedster
155 mph
Maximum Speed
190 mph
7.8 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
354 ft
0.000 sec
Mercedes SL 300
62 mph
62
mph
mph
200 ft
0.000 sec
Porsche 911 Speedster
▶ REPLAY
17.55 lb/hp
Weight-to-Power Ratio
8.86 lb/hp
Mercedes SL 300
17.55 lb/hp
8.86 lb/hp
Porsche 911 Speedster
Fuel Economy / Emissions
Mercedes SL 300
Porsche 911 Speedster
Fuel Economy
25 mpg
combined
23 mpg
Mercedes SL 300
25 mpg
23 mpg
Porsche 911 Speedster
17 mpg
city
15 mpg
35 mpg
highway
32 mpg
21.1 gal
Fuel Tank Capacity
16.9 gal
534 mi
Range
386 mi
Mercedes SL 300
534 mi
386 mi
Porsche 911 Speedster
Environmental Impact
176.2 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).
195.2 kWh
Mercedes SL 300
176.2 kWh
195.2 kWh
Porsche 911 Speedster
Euro 5
Emission Standard
Euro 5
349 g/mi (NEFZ)
CO2 Emissions
389 g/mi (NEFZ)
Practical Convenience
Mercedes SL 300
Porsche 911 Speedster
2
Doors
2
2
No. of Seats
2
650 lb
Maximum Payload
672 lb
9.6 cu ft
Trunk Volume
3.8 cu ft
No data
Cargo Volume (Seats Down)
No data
