The Comparative Analysis :

Mercedes SL 65 AMG SPEEDSHIFT Automatic (08 - 10) vs. Porsche 911 Speedster PDK (10 - 12)

€ 225,600
Mercedes SL 65 AMG SPEEDSHIFT Automatic (08 - 10) Mercedes SL 65 AMG
€ 201,700
 Porsche 911 Speedster PDK (10 - 12) Porsche 911 Speedster
€ 225,600
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 considerably. The Mercedes SL 65 AMG is 6.2 inches longer, 1.3 inches narrower and 0.4 inches taller than the Porsche 911 Speedster.
Mercedes SL 65 AMG
Porsche 911 Speedster
51
Blueprint Mercedes SL 65 AMG SPEEDSHIFT Automatic (08 - 10)
71.7
81.7
50.6
Blueprint Porsche 911 Speedster PDK (10 - 12)
72.9
80.8
71.7 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
80.8 in
51 in
Height
50.6 in
Blueprint Mercedes SL 65 AMG SPEEDSHIFT Automatic (08 - 10)
100.8
181
Blueprint Porsche 911 Speedster PDK (10 - 12)
92.5
174.8
181 in
Length
174.8 in
100.8 in
Wheelbase
92.5 in

Vehicle Weight

Mercedes SL 65 AMG
Porsche 911 Speedster
4674 lb
Curb Weight
3560 lb
5258 lb
Gross Vehicle
Weight
4233 lb
Mercedes SL 65 AMG SPEEDSHIFT Automatic (08 - 10)
Weight Difference:
1113 lb
23.81 %
Porsche 911 Speedster PDK (10 - 12)

General

Mercedes SL 65 AMG
Porsche 911 Speedster
R230
Generation
997
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
5-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

Mercedes SL 65 AMG
Porsche 911 Speedster
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz M 275
Engine Series
M 275.981
Engine Code
3
Valves
4
12
Cylinders
6
6 L / 294 cu in
Displacement
3.8 L / 186 cu in
604 hp
at 4800 rpm
Power
402 hp
at 7300 rpm
Mercedes SL 65 AMG
604 hp
402 hp
Porsche 911 Speedster
738 lb‑ft
at 2000 rpm
Max. Torque
310 lb‑ft
at 4200 rpm
Mercedes SL 65 AMG
738 lb‑ft
310 lb‑ft
Porsche 911 Speedster

Performance

Mercedes SL 65 AMG
Porsche 911 Speedster
155 mph
Maximum Speed
190 mph
4.2 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

190 ft
0.000 sec

Mercedes SL 65 AMG

62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Speedster

▶ REPLAY
7.74 lb/hp
Weight-to-Power Ratio
8.86 lb/hp
Mercedes SL 65 AMG
7.74 lb/hp
8.86 lb/hp
Porsche 911 Speedster

Fuel Economy / Emissions

Mercedes SL 65 AMG
Porsche 911 Speedster
Fuel Economy
17 mpg
combined
23 mpg
Mercedes SL 65 AMG
17 mpg
23 mpg
Porsche 911 Speedster
11 mpg
city
15 mpg
25 mpg
highway
32 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
355 mi
Range
386 mi
Mercedes SL 65 AMG
355 mi
386 mi
Porsche 911 Speedster
Environmental Impact
265.2 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).
195.2 kWh
Mercedes SL 65 AMG
265.2 kWh
195.2 kWh
Porsche 911 Speedster
Euro 4
Emission Standard
Euro 5
536 g/mi (NEFZ)
CO2 Emissions
389 g/mi (NEFZ)

Practical Convenience

Mercedes SL 65 AMG
Porsche 911 Speedster
2
Doors
2
2
No. of Seats
2
584 lb
Maximum Payload
672 lb
9.6 cu ft
Trunk Volume
3.8 cu ft
No data
Cargo Volume (Seats Down)
No data