The Comparative Analysis :
Alfa Romeo 8C Spider (08 - 10) vs. Porsche 911 Speedster (19 - ..)
€ 211,300
€ 269,300
€ 211,300
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 considerably. The Alfa Romeo 8C Spider is 7.1 inches shorter, 1.7 inches wider and 2.3 inches taller than the Porsche 911 Speedster.
Alfa Romeo 8C Spider
Porsche 911 Speedster
51.5
74.6
82.4
49.2
72.9
77.9
74.6 in
Width
72.9 in
82.4 in
Width Incl. Mirrors
77.9 in
51.5 in
Height
49.2 in
104.1
172.5
96.7
179.6
172.5 in
Length
179.6 in
104.1 in
Wheelbase
96.7 in
Vehicle Weight
Alfa Romeo 8C Spider
Porsche 911 Speedster
3858 lb
Curb Weight
3395 lb
4090 lb
Gross Vehicle
Weight
Weight
3953 lb
Weight Difference:
463 lb
12 %
General
Alfa Romeo 8C Spider
Porsche 911 Speedster
Typ 920
Generation
991
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automated manual transmission (AMT)
Transmission
6-speed manual transmission
Engine
Alfa Romeo 8C Spider
Porsche 911 Speedster
V8 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
AR 8C
Engine Code
4
Valves
4
8
Cylinders
6
4.7 L / 230 cu in
Displacement
4 L / 196 cu in
444 hp
at 7000 rpm
Power
503 hp
at 8400 rpm
Alfa Romeo 8C Spider
444 hp
503 hp
Porsche 911 Speedster
354 lb‑ft
at 4750 rpm
Max. Torque
347 lb‑ft
at 6250 rpm
Alfa Romeo 8C Spider
354 lb‑ft
347 lb‑ft
Porsche 911 Speedster
Performance
Alfa Romeo 8C Spider
Porsche 911 Speedster
181 mph
Maximum Speed
193 mph
4.5 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
207 ft
0.000 sec
Alfa Romeo 8C Spider
62 mph
62
mph
mph
184 ft
0.000 sec
Porsche 911 Speedster
▶ REPLAY
8.69 lb/hp
Weight-to-Power Ratio
6.75 lb/hp
Alfa Romeo 8C Spider
8.69 lb/hp
6.75 lb/hp
Porsche 911 Speedster
Fuel Economy / Emissions
Alfa Romeo 8C Spider
Porsche 911 Speedster
Fuel Economy
15 mpg
combined
17 mpg
Alfa Romeo 8C Spider
15 mpg
17 mpg
Porsche 911 Speedster
No data
city
11 mpg
No data
highway
24 mpg
23.2 gal
Fuel Tank Capacity
16.9 gal
346 mi
Range
288 mi
Alfa Romeo 8C Spider
346 mi
288 mi
Porsche 911 Speedster
Environmental Impact
299.3 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).
261.5 kWh
Alfa Romeo 8C Spider
299.3 kWh
261.5 kWh
Porsche 911 Speedster
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
607 g/mi (NEFZ)
CO2 Emissions
499 g/mi (WLTP)
Practical Convenience
Alfa Romeo 8C Spider
Porsche 911 Speedster
2
Doors
2
2
No. of Seats
2
231 lb
Maximum Payload
558 lb
1.1 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
