The Comparative Analysis :
BMW 650i Gran Coupé xDrive Steptronic (15 - 18) vs. Alfa Romeo 8C Competizione (07 - 09)
€ 101,800
€ 159,900
€ 101,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 159,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ significantly. Both cars are the same width, but the BMW 650i Gran Coupé is 24.6 inches longer and 2 inches taller.
BMW 650i Gran Coupé
Alfa Romeo 8C Competizione
54.8
74.6
81.9
52.8
74.6
82.4
74.6 in
Width
74.6 in
81.9 in
Width Incl. Mirrors
82.4 in
54.8 in
Height
52.8 in
116.9
197.1
104.1
172.5
197.1 in
Length
172.5 in
116.9 in
Wheelbase
104.1 in
Vehicle Weight
BMW 650i Gran Coupé
Alfa Romeo 8C Competizione
4442 lb
Curb Weight
3660 lb
5622 lb
Gross Vehicle
Weight
Weight
3891 lb
Weight Difference:
783 lb
17.63 %
General
BMW 650i Gran Coupé
Alfa Romeo 8C Competizione
F06
Generation
Typ 920
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed automated manual transmission (AMT)
Engine
BMW 650i Gran Coupé
Alfa Romeo 8C Competizione
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW N63
Engine Series
N63-B44
Engine Code
AR 8C
4
Valves
4
8
Cylinders
8
4.4 L / 215 cu in
Displacement
4.7 L / 230 cu in
444 hp
at 5500 rpm
Power
444 hp
at 7000 rpm
BMW 650i Gran Coupé
444 hp
444 hp
Alfa Romeo 8C Competizione
479 lb‑ft
at 2000 rpm
Max. Torque
354 lb‑ft
at 4750 rpm
BMW 650i Gran Coupé
479 lb‑ft
354 lb‑ft
Alfa Romeo 8C Competizione
Performance
BMW 650i Gran Coupé
Alfa Romeo 8C Competizione
155 mph
Maximum Speed
181 mph
4.4 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
200 ft
0.000 sec
BMW 650i Gran Coupé
62 mph
62
mph
mph
190 ft
0.000 sec
Alfa Romeo 8C Competizione
▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
8.24 lb/hp
BMW 650i Gran Coupé
10 lb/hp
8.24 lb/hp
Alfa Romeo 8C Competizione
Fuel Economy / Emissions
BMW 650i Gran Coupé
Alfa Romeo 8C Competizione
Fuel Economy
26 mpg
combined
14 mpg
BMW 650i Gran Coupé
26 mpg
14 mpg
Alfa Romeo 8C Competizione
18 mpg
city
10 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
23.2 gal
473 mi
Range
336 mi
BMW 650i Gran Coupé
473 mi
336 mi
Alfa Romeo 8C Competizione
Environmental Impact
174.3 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).
308.8 kWh
BMW 650i Gran Coupé
174.3 kWh
308.8 kWh
Alfa Romeo 8C Competizione
Euro 6b (NEFZ)
Emission Standard
Euro 4
346 g/mi (NEFZ)
CO2 Emissions
629 g/mi (NEFZ)
Practical Convenience
BMW 650i Gran Coupé
Alfa Romeo 8C Competizione
4
Doors
2
5
No. of Seats
2
1179 lb
Maximum Payload
231 lb
13 cu ft
Trunk Volume
1.1 cu ft






No data
Cargo Volume (Seats Down)
No data

















