The Comparative Analysis :

Mercedes SLS AMG Roadster GT SPEEDSHIFT DCT (12 - 14) vs. Porsche 911 Speedster PDK (10 - 12)

€ 213,000
Mercedes SLS AMG Roadster GT SPEEDSHIFT DCT (12 - 14) Mercedes SLS AMG Roadster GT
€ 201,700
 Porsche 911 Speedster PDK (10 - 12) Porsche 911 Speedster
€ 213,000
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 SLS AMG Roadster GT is 7.8 inches longer, 3.4 inches wider and 0.9 inches lower than the Porsche 911 Speedster.
Mercedes SLS AMG Roadster GT
Porsche 911 Speedster
49.6
Blueprint Mercedes SLS AMG Roadster GT SPEEDSHIFT DCT (12 - 14)
76.3
90.4
50.6
Blueprint Porsche 911 Speedster PDK (10 - 12)
72.9
80.8
76.3 in
Width
72.9 in
90.4 in
Width Incl. Mirrors
80.8 in
49.6 in
Height
50.6 in
Blueprint Mercedes SLS AMG Roadster GT SPEEDSHIFT DCT (12 - 14)
105.5
182.6
Blueprint Porsche 911 Speedster PDK (10 - 12)
92.5
174.8
182.6 in
Length
174.8 in
105.5 in
Wheelbase
92.5 in

Vehicle Weight

Mercedes SLS AMG Roadster GT
Porsche 911 Speedster
3825 lb
Curb Weight
3560 lb
4321 lb
Gross Vehicle
Weight
4233 lb
Mercedes SLS AMG Roadster GT SPEEDSHIFT DCT (12 - 14)
Weight Difference:
265 lb
6.93 %
Porsche 911 Speedster PDK (10 - 12)

General

Mercedes SLS AMG Roadster GT
Porsche 911 Speedster
R197
Generation
997
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
7-speed dual clutch transmission

Engine

Mercedes SLS AMG Roadster GT
Porsche 911 Speedster
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz M 159
Engine Series
M 159.980
Engine Code
4
Valves
4
8
Cylinders
6
6.2 L / 303 cu in
Displacement
3.8 L / 186 cu in
583 hp
at 6800 rpm
Power
402 hp
at 7300 rpm
Mercedes SLS AMG Roadster GT
583 hp
402 hp
Porsche 911 Speedster
479 lb‑ft
at 4750 rpm
Max. Torque
310 lb‑ft
at 4200 rpm
Mercedes SLS AMG Roadster GT
479 lb‑ft
310 lb‑ft
Porsche 911 Speedster

Performance

Mercedes SLS AMG Roadster GT
Porsche 911 Speedster
199 mph
Maximum Speed
190 mph
3.7 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

167 ft
0.000 sec

Mercedes SLS AMG Roadster GT

62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Speedster

▶ REPLAY
6.56 lb/hp
Weight-to-Power Ratio
8.86 lb/hp
Mercedes SLS AMG Roadster GT
6.56 lb/hp
8.86 lb/hp
Porsche 911 Speedster

Fuel Economy / Emissions

Mercedes SLS AMG Roadster GT
Porsche 911 Speedster
Fuel Economy
18 mpg
combined
23 mpg
Mercedes SLS AMG Roadster GT
18 mpg
23 mpg
Porsche 911 Speedster
12 mpg
city
15 mpg
25 mpg
highway
32 mpg
Kraftstoffanzeige
22.5 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
400 mi
Range
386 mi
Mercedes SLS AMG Roadster GT
400 mi
386 mi
Porsche 911 Speedster
Environmental Impact
250.1 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 SLS AMG Roadster GT
250.1 kWh
195.2 kWh
Porsche 911 Speedster
Euro 5
Emission Standard
Euro 5
496 g/mi (NEFZ)
CO2 Emissions
389 g/mi (NEFZ)

Practical Convenience

Mercedes SLS AMG Roadster GT
Porsche 911 Speedster
2
Doors
2
2
No. of Seats
2
496 lb
Maximum Payload
672 lb
5 cu ft
Trunk Volume
3.8 cu ft
No data
Cargo Volume (Seats Down)
No data