The Comparative Analysis :

Mercedes SL 65 AMG SPEEDSHIFT PLUS (12 - 16) vs. Porsche 911 Speedster PDK (10 - 12)

€ 238,800
Mercedes SL 65 AMG SPEEDSHIFT PLUS (12 - 16) Mercedes SL 65 AMG
€ 201,700
 Porsche 911 Speedster PDK (10 - 12) Porsche 911 Speedster
€ 238,800
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 65 AMG is considerably bigger in every dimension. It's 7 inches longer, an inch wider and 1.2 inches taller than the Porsche 911 Speedster.
Mercedes SL 65 AMG
Porsche 911 Speedster
51.8
Blueprint Mercedes SL 65 AMG SPEEDSHIFT PLUS (12 - 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 65 AMG SPEEDSHIFT PLUS (12 - 16)
101.8
181.8
Blueprint Porsche 911 Speedster PDK (10 - 12)
92.5
174.8
181.8 in
Length
174.8 in
101.8 in
Wheelbase
92.5 in

Vehicle Weight

Mercedes SL 65 AMG
Porsche 911 Speedster
4299 lb
Curb Weight
3560 lb
5038 lb
Gross Vehicle
Weight
4233 lb
Mercedes SL 65 AMG SPEEDSHIFT PLUS (12 - 16)
Weight Difference:
739 lb
17.19 %
Porsche 911 Speedster PDK (10 - 12)

General

Mercedes SL 65 AMG
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
7-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 279
Engine Series
M 279.981
Engine Code
4
Valves
4
12
Cylinders
6
6 L / 294 cu in
Displacement
3.8 L / 186 cu in
621 hp
at 4800 rpm
Power
402 hp
at 7300 rpm
Mercedes SL 65 AMG
621 hp
402 hp
Porsche 911 Speedster
738 lb‑ft
at 2300 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 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

184 ft
0.000 sec

Mercedes SL 65 AMG

62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Speedster

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

Fuel Economy / Emissions

Mercedes SL 65 AMG
Porsche 911 Speedster
Fuel Economy
20 mpg
combined
23 mpg
Mercedes SL 65 AMG
20 mpg
23 mpg
Porsche 911 Speedster
14 mpg
city
15 mpg
28 mpg
highway
32 mpg
Kraftstoffanzeige
19.8 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
402 mi
Range
386 mi
Mercedes SL 65 AMG
402 mi
386 mi
Porsche 911 Speedster
Environmental Impact
219.8 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
219.8 kWh
195.2 kWh
Porsche 911 Speedster
Euro 5 / Euro 6
Emission Standard
Euro 5
435 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
739 lb
Maximum Payload
672 lb
14.3 cu ft
Trunk Volume
3.8 cu ft
No data
Cargo Volume (Seats Down)
No data