The Comparative Analysis :

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

€ 123,100
Mercedes SL 500 9G-TRONIC (16 - ..) Mercedes SL 500
€ 201,700
 Porsche 911 Speedster PDK (10 - 12) Porsche 911 Speedster
€ 123,100
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 Mercedes SL 500 is considerably bigger in every dimension. It's 7.5 inches longer, an inch wider and 1.2 inches taller than the Porsche 911 Speedster.
Mercedes SL 500
Porsche 911 Speedster
51.8
Blueprint Mercedes SL 500 9G-TRONIC (16 - ..)
73.9
82.6
50.6
Blueprint Porsche 911 Speedster PDK (10 - 12)
72.9
80.8
73.9 in
Width
72.9 in
82.6 in
Width Incl. Mirrors
80.8 in
51.8 in
Height
50.6 in
Blueprint Mercedes SL 500 9G-TRONIC (16 - ..)
101.8
182.3
Blueprint Porsche 911 Speedster PDK (10 - 12)
92.5
174.8
182.3 in
Length
174.8 in
101.8 in
Wheelbase
92.5 in

Vehicle Weight

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

General

Mercedes SL 500
Porsche 911 Speedster
R231
Generation
997
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

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

Performance

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

197 ft
0.000 sec

Mercedes SL 500

62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Speedster

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

Fuel Economy / Emissions

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

Practical Convenience

Mercedes SL 500
Porsche 911 Speedster
2
Doors
2
2
No. of Seats
2
838 lb
Maximum Payload
672 lb
14.3 cu ft
Trunk Volume
3.8 cu ft
No data
Cargo Volume (Seats Down)
No data