The Comparative Analysis :

Porsche 911 Speedster PDK (10 - 12) vs. Mercedes SL 500 9G-TRONIC (16 - ..)

€ 201,700
Porsche 911 Speedster PDK (10 - 12) Porsche 911 Speedster
€ 123,100
 Mercedes SL 500 9G-TRONIC (16 - ..) Mercedes SL 500
€ 201,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 123,100

ⓘ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 7.5 inches shorter, an inch narrower and 1.2 inches lower than the Mercedes SL 500.
Porsche 911 Speedster
Mercedes SL 500
50.6
Blueprint Porsche 911 Speedster PDK (10 - 12)
72.9
80.8
51.8
Blueprint Mercedes SL 500 9G-TRONIC (16 - ..)
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
Blueprint Porsche 911 Speedster PDK (10 - 12)
92.5
174.8
Blueprint Mercedes SL 500 9G-TRONIC (16 - ..)
101.8
182.3
174.8 in
Length
182.3 in
92.5 in
Wheelbase
101.8 in

Vehicle Weight

Porsche 911 Speedster
Mercedes SL 500
3560 lb
Curb Weight
3957 lb
4233 lb
Gross Vehicle
Weight
4795 lb
Porsche 911 Speedster PDK (10 - 12)
Weight Difference:
397 lb
10.03 %
Mercedes SL 500 9G-TRONIC (16 - ..)

General

Porsche 911 Speedster
Mercedes SL 500
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
9-speed automatic transmission

Engine

Porsche 911 Speedster
Mercedes SL 500
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Series
Mercedes-Benz M 278
Engine Code
M 278.927
4
Valves
4
6
Cylinders
8
3.8 L / 186 cu in
Displacement
4.7 L / 230 cu in
402 hp
at 7300 rpm
Power
450 hp
at 5250 rpm
Porsche 911 Speedster
402 hp
450 hp
Mercedes SL 500
310 lb‑ft
at 4200 rpm
Max. Torque
516 lb‑ft
at 1800 rpm
Porsche 911 Speedster
310 lb‑ft
516 lb‑ft
Mercedes SL 500

Performance

Porsche 911 Speedster
Mercedes SL 500
190 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Speedster

62 mph 62
mph

197 ft
0.000 sec

Mercedes SL 500

▶ REPLAY
8.86 lb/hp
Weight-to-Power Ratio
8.79 lb/hp
Porsche 911 Speedster
8.86 lb/hp
8.79 lb/hp
Mercedes SL 500

Fuel Economy / Emissions

Porsche 911 Speedster
Mercedes SL 500
Fuel Economy
23 mpg
combined
26 mpg
Porsche 911 Speedster
23 mpg
26 mpg
Mercedes SL 500
15 mpg
city
19 mpg
32 mpg
highway
34 mpg
Kraftstoffanzeige
16.9 gal
Fuel Tank Capacity
17.2 gal
Kraftstoffanzeige
386 mi
Range
449 mi
Porsche 911 Speedster
386 mi
449 mi
Mercedes SL 500
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).
170.4 kWh
Porsche 911 Speedster
195.2 kWh
170.4 kWh
Mercedes SL 500
Euro 5
Emission Standard
Euro 6
389 g/mi (NEFZ)
CO2 Emissions
330 g/mi (NEFZ)

Practical Convenience

Porsche 911 Speedster
Mercedes SL 500
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