The Comparative Analysis :
Porsche 911 Speedster PDK (10 - 12) vs. Mercedes SL 350 7G-TRONIC PLUS (11 - 14)
€ 201,700
€ 95,900
€ 201,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Speedster is considerably smaller in every dimension. It's 7 inches shorter, an inch narrower and 1.2 inches lower than the Mercedes SL 350.
Porsche 911 Speedster
Mercedes SL 350
50.6
72.9
80.8
51.8
73.9
82.6
72.9 in
Width
73.9 in
80.8 in
Width Incl. Mirrors
82.6 in
50.6 in
Height
51.8 in
92.5
174.8
101.8
181.8
174.8 in
Length
181.8 in
92.5 in
Wheelbase
101.8 in
Vehicle Weight
Porsche 911 Speedster
Mercedes SL 350
3560 lb
Curb Weight
3715 lb
4233 lb
Gross Vehicle
Weight
Weight
4553 lb
Weight Difference:
154 lb
4.15 %
General
Porsche 911 Speedster
Mercedes SL 350
997
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
7-speed automatic transmission
Engine
Porsche 911 Speedster
Mercedes SL 350
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine (naturally aspirated engine)
Engine Series
Mercedes-Benz M 276
Engine Code
M 276.954
4
Valves
4
6
Cylinders
6
3.8 L / 186 cu in
Displacement
3.5 L / 171 cu in
402 hp
at 7300 rpm
Power
302 hp
at 6500 rpm
Porsche 911 Speedster
402 hp
302 hp
Mercedes SL 350
310 lb‑ft
at 4200 rpm
Max. Torque
273 lb‑ft
at 3500 rpm
Porsche 911 Speedster
310 lb‑ft
273 lb‑ft
Mercedes SL 350
Performance
Porsche 911 Speedster
Mercedes SL 350
190 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
200 ft
0.000 sec
Porsche 911 Speedster
62 mph
62
mph
mph
269 ft
0.000 sec
Mercedes SL 350
▶ REPLAY
8.86 lb/hp
Weight-to-Power Ratio
12.3 lb/hp
Porsche 911 Speedster
8.86 lb/hp
12.3 lb/hp
Mercedes SL 350
Fuel Economy / Emissions
Porsche 911 Speedster
Mercedes SL 350
Fuel Economy
23 mpg
combined
35 mpg
Porsche 911 Speedster
23 mpg
35 mpg
Mercedes SL 350
15 mpg
city
25 mpg
32 mpg
highway
44 mpg
16.9 gal
Fuel Tank Capacity
17.2 gal
386 mi
Range
594 mi
Porsche 911 Speedster
386 mi
594 mi
Mercedes SL 350
Environmental Impact
195.2 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).
128.7 kWh
Porsche 911 Speedster
195.2 kWh
128.7 kWh
Mercedes SL 350
Euro 5
Emission Standard
Euro 5
389 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Porsche 911 Speedster
Mercedes SL 350
2
Doors
2
2
No. of Seats
2
672 lb
Maximum Payload
838 lb
3.8 cu ft
Trunk Volume
14.3 cu ft
No data
Cargo Volume (Seats Down)
No data
