The Comparative Analysis :
Porsche 911 Speedster (19 - ..) vs. Mercedes SL 300 7G-TRONIC (09 - 11)
€ 269,300
€ 82,600
€ 269,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 82,600
ⓘ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 0.2 inches shorter, 1.3 inches wider and 2.6 inches lower than the Mercedes SL 300.
Porsche 911 Speedster
Mercedes SL 300
49.2
72.9
77.9
51.9
71.7
81.7
72.9 in
Width
71.7 in
77.9 in
Width Incl. Mirrors
81.7 in
49.2 in
Height
51.9 in
96.7
179.6
100.8
179.8
179.6 in
Length
179.8 in
96.7 in
Wheelbase
100.8 in
Vehicle Weight
Porsche 911 Speedster
Mercedes SL 300
3395 lb
Curb Weight
4001 lb
3953 lb
Gross Vehicle
Weight
Weight
4652 lb
Weight Difference:
606 lb
15.14 %
General
Porsche 911 Speedster
Mercedes SL 300
991
Generation
R230
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
Porsche 911 Speedster
Mercedes SL 300
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine (naturally aspirated engine)
Engine Series
Mercedes-Benz M 272
Engine Code
M 272.949
4
Valves
4
6
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
503 hp
at 8400 rpm
Power
228 hp
at 6000 rpm
Porsche 911 Speedster
503 hp
228 hp
Mercedes SL 300
347 lb‑ft
at 6250 rpm
Max. Torque
221 lb‑ft
at 2500 rpm
Porsche 911 Speedster
347 lb‑ft
221 lb‑ft
Mercedes SL 300
Performance
Porsche 911 Speedster
Mercedes SL 300
193 mph
Maximum Speed
155 mph
4 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
184 ft
0.000 sec
Porsche 911 Speedster
62 mph
62
mph
mph
354 ft
0.000 sec
Mercedes SL 300
▶ REPLAY
6.75 lb/hp
Weight-to-Power Ratio
17.55 lb/hp
Porsche 911 Speedster
6.75 lb/hp
17.55 lb/hp
Mercedes SL 300
Fuel Economy / Emissions
Porsche 911 Speedster
Mercedes SL 300
Fuel Economy
17 mpg
combined
25 mpg
Porsche 911 Speedster
17 mpg
25 mpg
Mercedes SL 300
11 mpg
city
17 mpg
24 mpg
highway
35 mpg
16.9 gal
Fuel Tank Capacity
21.1 gal
288 mi
Range
534 mi
Porsche 911 Speedster
288 mi
534 mi
Mercedes SL 300
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).
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).
176.2 kWh
Porsche 911 Speedster
261.5 kWh
176.2 kWh
Mercedes SL 300
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
Emission Standard
Euro 5
499 g/mi (WLTP)
CO2 Emissions
349 g/mi (NEFZ)
Practical Convenience
Porsche 911 Speedster
Mercedes SL 300
2
Doors
2
2
No. of Seats
2
558 lb
Maximum Payload
650 lb
3.5 cu ft
Trunk Volume
9.6 cu ft
No data
Cargo Volume (Seats Down)
No data
