The Comparative Analysis :
ALPINA B6 Convertible Switch-Tronic (06 - 08) vs. BMW 630i Convertible Sport-Automatic (07 - 10)
€ 129,100

€ 81,200

€ 129,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same length and width, but the ALPINA B6 Convertible is 0.1 inches lower.
ALPINA B6 Convertible
BMW 630i Cabrio
54
73
80.9
54.1
73
80.2
73 in
Width
73 in
80.9 in
Width Incl. Mirrors
80.2 in
54 in
Height
54.1 in
109.4
189.8
109.4
189.8
189.8 in
Length
189.8 in
109.4 in
Wheelbase
109.4 in
Vehicle Weight
ALPINA B6 Convertible
BMW 630i Cabrio
4420 lb
Curb Weight
4023 lb
5181 lb
Gross Vehicle
Weight
Weight
4740 lb

Weight Difference:
397 lb
8.98 %

General
ALPINA B6 Convertible
BMW 630i Cabrio
E64
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
ALPINA B6 Convertible
BMW 630i Cabrio
V8 gasoline engine with centrifugal compressor
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Engine Series
BMW N53
N62-B44
Engine Code
N53-B30

4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
493 hp
at 5500 rpm
Power
268 hp
at 6700 rpm
ALPINA B6 Convertible
493 hp
268 hp
BMW 630i Cabrio
516 lb‑ft
at 4250 rpm
Max. Torque
236 lb‑ft
at 2750 rpm
ALPINA B6 Convertible
516 lb‑ft
236 lb‑ft
BMW 630i Cabrio
Performance
ALPINA B6 Convertible
BMW 630i Cabrio
193 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
7 sec
62 mph
62
mph
mph
223 ft
0.000 sec

ALPINA B6 Convertible
62 mph
62
mph
mph
318 ft
0.000 sec

BMW 630i Cabrio
▶ REPLAY
8.97 lb/hp
Weight-to-Power Ratio
15.01 lb/hp
ALPINA B6 Convertible
8.97 lb/hp
15.01 lb/hp
BMW 630i Cabrio
Fuel Economy / Emissions
ALPINA B6 Convertible
BMW 630i Cabrio
Fuel Economy
18 mpg
combined
29 mpg
ALPINA B6 Convertible
18 mpg
29 mpg
BMW 630i Cabrio
12 mpg
city
20 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
340 mi
Range
537 mi
ALPINA B6 Convertible
340 mi
537 mi
BMW 630i Cabrio
Environmental Impact
242.5 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).
153.5 kWh
ALPINA B6 Convertible
242.5 kWh
153.5 kWh
BMW 630i Cabrio
Euro 4
Emission Standard
Euro 4
492 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
ALPINA B6 Convertible
BMW 630i Cabrio
2
Doors
2
4
No. of Seats
4
761 lb
Maximum Payload
717 lb
8.5 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data