The Comparative Analysis :

Porsche 911 Speedster (19 - ..) vs. Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18)

€ 269,300
Porsche 911 Speedster (19 - ..) Porsche 911 Speedster
€ 240,200
 Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18) Mercedes SL 65 AMG
€ 269,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 240,200

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Porsche 911 Speedster is slightly smaller in every dimension. It's 2.8 inches shorter, an inch narrower and 2 inches lower than the Mercedes SL 65 AMG.
Porsche 911 Speedster
Mercedes SL 65 AMG
49.2
Blueprint Porsche 911 Speedster (19 - ..)
72.9
77.9
51.2
Blueprint Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18)
73.9
82.6
72.9 in
Width
73.9 in
77.9 in
Width Incl. Mirrors
82.6 in
49.2 in
Height
51.2 in
Blueprint Porsche 911 Speedster (19 - ..)
96.7
179.6
Blueprint Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18)
101.8
182.4
179.6 in
Length
182.4 in
96.7 in
Wheelbase
101.8 in

Vehicle Weight

Porsche 911 Speedster
Mercedes SL 65 AMG
3395 lb
Curb Weight
4299 lb
3953 lb
Gross Vehicle
Weight
4872 lb
Porsche 911 Speedster (19 - ..)
Weight Difference:
904 lb
21.03 %
Mercedes SL 65 AMG SPEEDSHIFT PLUS (16 - 18)

General

Porsche 911 Speedster
Mercedes SL 65 AMG
991
Generation
R231
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
7-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 279
Engine Code
M 279.981
4
Valves
4
6
Cylinders
12
4 L / 196 cu in
Displacement
6 L / 294 cu in
503 hp
at 8400 rpm
Power
621 hp
at 4800 rpm
Porsche 911 Speedster
503 hp
621 hp
Mercedes SL 65 AMG
347 lb‑ft
at 6250 rpm
Max. Torque
738 lb‑ft
at 2300 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 sec
62 mph 62
mph

184 ft
0.000 sec

Porsche 911 Speedster

62 mph 62
mph

184 ft
0.000 sec

Mercedes SL 65 AMG

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

Fuel Economy / Emissions

Porsche 911 Speedster
Mercedes SL 65 AMG
Fuel Economy
17 mpg
combined
20 mpg
Porsche 911 Speedster
17 mpg
20 mpg
Mercedes SL 65 AMG
11 mpg
city
14 mpg
24 mpg
highway
27 mpg
Kraftstoffanzeige
16.9 gal
Fuel Tank Capacity
19.8 gal
Kraftstoffanzeige
288 mi
Range
391 mi
Porsche 911 Speedster
288 mi
391 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).
225.5 kWh
Porsche 911 Speedster
261.5 kWh
225.5 kWh
Mercedes SL 65 AMG
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
Emission Standard
Euro 6b (NEFZ)
499 g/mi (WLTP)
CO2 Emissions
449 g/mi (NEFZ)

Practical Convenience

Porsche 911 Speedster
Mercedes SL 65 AMG
2
Doors
2
2
No. of Seats
2
558 lb
Maximum Payload
573 lb
3.5 cu ft
Trunk Volume
14.3 cu ft
No data
Cargo Volume (Seats Down)
No data