The Comparative Analysis :
Porsche 911 Speedster (19 - ..) vs. Mercedes SL 65 AMG SPEEDSHIFT Automatic (08 - 10)
€ 269,300
€ 225,600
€ 269,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 225,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Porsche 911 Speedster is 1.4 inches shorter, 1.3 inches wider and 1.8 inches lower than the Mercedes SL 65 AMG.
Porsche 911 Speedster
Mercedes SL 65 AMG
49.2
72.9
77.9
51
71.7
81.7
72.9 in
Width
71.7 in
77.9 in
Width Incl. Mirrors
81.7 in
49.2 in
Height
51 in
96.7
179.6
100.8
181
179.6 in
Length
181 in
96.7 in
Wheelbase
100.8 in
Vehicle Weight
Porsche 911 Speedster
Mercedes SL 65 AMG
3395 lb
Curb Weight
4674 lb
3953 lb
Gross Vehicle
Weight
Weight
5258 lb
Weight Difference:
1279 lb
27.37 %
General
Porsche 911 Speedster
Mercedes SL 65 AMG
991
Generation
R230
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
5-speed automatic transmission
Engine
Porsche 911 Speedster
Mercedes SL 65 AMG
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V12 gasoline engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 275
Engine Code
M 275.981

4
Valves
3
6
Cylinders
12
4 L / 196 cu in
Displacement
6 L / 294 cu in
503 hp
at 8400 rpm
Power
604 hp
at 4800 rpm
Porsche 911 Speedster
503 hp
604 hp
Mercedes SL 65 AMG
347 lb‑ft
at 6250 rpm
Max. Torque
738 lb‑ft
at 2000 rpm
Porsche 911 Speedster
347 lb‑ft
738 lb‑ft
Mercedes SL 65 AMG
Performance
Porsche 911 Speedster
Mercedes SL 65 AMG
193 mph
Maximum Speed
155 mph
4 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
184 ft
0.000 sec
Porsche 911 Speedster
62 mph
62
mph
mph
190 ft
0.000 sec
Mercedes SL 65 AMG
▶ REPLAY
6.75 lb/hp
Weight-to-Power Ratio
7.74 lb/hp
Porsche 911 Speedster
6.75 lb/hp
7.74 lb/hp
Mercedes SL 65 AMG
Fuel Economy / Emissions
Porsche 911 Speedster
Mercedes SL 65 AMG
Fuel Economy
17 mpg
combined
17 mpg
Porsche 911 Speedster
17 mpg
17 mpg
Mercedes SL 65 AMG
11 mpg
city
11 mpg
24 mpg
highway
25 mpg
16.9 gal
Fuel Tank Capacity
21.1 gal
288 mi
Range
355 mi
Porsche 911 Speedster
288 mi
355 mi
Mercedes SL 65 AMG
Environmental Impact
261.5 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).
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).
265.2 kWh
Porsche 911 Speedster
261.5 kWh
265.2 kWh
Mercedes SL 65 AMG
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
Emission Standard
Euro 4
499 g/mi (WLTP)
CO2 Emissions
536 g/mi (NEFZ)
Practical Convenience
Porsche 911 Speedster
Mercedes SL 65 AMG
2
Doors
2
2
No. of Seats
2
558 lb
Maximum Payload
584 lb
3.5 cu ft
Trunk Volume
9.6 cu ft





No data
Cargo Volume (Seats Down)
No data

















