The Comparative Analysis :

Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11) vs. Porsche 911 Speedster (19 - ..)

€ 87,500
Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11) Mercedes SL 350 Sportmotor
€ 269,300
 Porsche 911 Speedster (19 - ..) Porsche 911 Speedster
€ 87,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 269,300

ⓘ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 Mercedes SL 350 Sportmotor is 0.2 inches longer, 1.3 inches narrower and 2.6 inches taller than the Porsche 911 Speedster.
Mercedes SL 350 Sportmotor
Porsche 911 Speedster
51.9
Blueprint Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11)
71.7
81.7
49.2
Blueprint Porsche 911 Speedster (19 - ..)
72.9
77.9
71.7 in
Width
72.9 in
81.7 in
Width Incl. Mirrors
77.9 in
51.9 in
Height
49.2 in
Blueprint Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11)
100.8
179.8
Blueprint Porsche 911 Speedster (19 - ..)
96.7
179.6
179.8 in
Length
179.6 in
100.8 in
Wheelbase
96.7 in

Vehicle Weight

Mercedes SL 350 Sportmotor
Porsche 911 Speedster
4023 lb
Curb Weight
3395 lb
4674 lb
Gross Vehicle
Weight
3953 lb
Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11)
Weight Difference:
628 lb
15.61 %
Porsche 911 Speedster (19 - ..)

General

Mercedes SL 350 Sportmotor
Porsche 911 Speedster
R230
Generation
991
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Mercedes SL 350 Sportmotor
Porsche 911 Speedster
V6 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz M 272
Engine Series
M 272.968
Engine Code
4
Valves
4
6
Cylinders
6
3.5 L / 171 cu in
Displacement
4 L / 196 cu in
312 hp
at 6500 rpm
Power
503 hp
at 8400 rpm
Mercedes SL 350 Sportmotor
312 hp
503 hp
Porsche 911 Speedster
266 lb‑ft
at 4900 rpm
Max. Torque
347 lb‑ft
at 6250 rpm
Mercedes SL 350 Sportmotor
266 lb‑ft
347 lb‑ft
Porsche 911 Speedster

Performance

Mercedes SL 350 Sportmotor
Porsche 911 Speedster
155 mph
Maximum Speed
193 mph
6.2 sec
Acceleration 0 to 62 mph
4 sec
62 mph 62
mph

282 ft
0.000 sec

Mercedes SL 350 Sportmotor

62 mph 62
mph

184 ft
0.000 sec

Porsche 911 Speedster

▶ REPLAY
12.89 lb/hp
Weight-to-Power Ratio
6.75 lb/hp
Mercedes SL 350 Sportmotor
12.89 lb/hp
6.75 lb/hp
Porsche 911 Speedster

Fuel Economy / Emissions

Mercedes SL 350 Sportmotor
Porsche 911 Speedster
Fuel Economy
24 mpg
combined
17 mpg
Mercedes SL 350 Sportmotor
24 mpg
17 mpg
Porsche 911 Speedster
16 mpg
city
11 mpg
32 mpg
highway
24 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
502 mi
Range
288 mi
Mercedes SL 350 Sportmotor
502 mi
288 mi
Porsche 911 Speedster
Environmental Impact
187.5 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).
261.5 kWh
Mercedes SL 350 Sportmotor
187.5 kWh
261.5 kWh
Porsche 911 Speedster
Euro 4 / Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
380 g/mi (NEFZ)
CO2 Emissions
499 g/mi (WLTP)

Practical Convenience

Mercedes SL 350 Sportmotor
Porsche 911 Speedster
2
Doors
2
2
No. of Seats
2
650 lb
Maximum Payload
558 lb
9.6 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data