The Comparative Analysis :
ALPINA B6 Bi-Turbo Convertible Switch-Tronic (12 - 14) vs. BMW 635d Convertible Sport-Automatic (07 - 10)
€ 130,800

€ 85,200

€ 130,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,200
ⓘ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. Both cars are the same height, but the ALPINA B6 Bi-Turbo Convertible is 2.9 inches longer and 1.5 inches wider.
ALPINA B6 Bi-Turbo Convertible
BMW 635d Cabrio
54.1
74.6
82.4
54.1
73
80.2
74.6 in
Width
73 in
82.4 in
Width Incl. Mirrors
80.2 in
54.1 in
Height
54.1 in
112.4
192.7
109.4
189.8
192.7 in
Length
189.8 in
112.4 in
Wheelbase
109.4 in
Vehicle Weight
ALPINA B6 Bi-Turbo Convertible
BMW 635d Cabrio
4619 lb
Curb Weight
4266 lb
5357 lb
Gross Vehicle
Weight
Weight
4982 lb

Weight Difference:
353 lb
7.64 %

General
ALPINA B6 Bi-Turbo Convertible
BMW 635d Cabrio
F12
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
ALPINA B6 Bi-Turbo Convertible
BMW 635d Cabrio
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Engine Series
BMW M57
N63-M10
Engine Code
M57-D30

4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
533 hp
at 5200 rpm
Power
282 hp
at 4400 rpm
ALPINA B6 Bi-Turbo Convertible
533 hp
282 hp
BMW 635d Cabrio
538 lb‑ft
at 2800 rpm
Max. Torque
428 lb‑ft
at 1750 rpm
ALPINA B6 Bi-Turbo Convertible
538 lb‑ft
428 lb‑ft
BMW 635d Cabrio
Performance
ALPINA B6 Bi-Turbo Convertible
BMW 635d Cabrio
197 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
200 ft
0.000 sec

ALPINA B6 Bi-Turbo Convertible
62 mph
62
mph
mph
302 ft
0.000 sec

BMW 635d Cabrio
▶ REPLAY
8.67 lb/hp
Weight-to-Power Ratio
15.13 lb/hp
ALPINA B6 Bi-Turbo Convertible
8.67 lb/hp
15.13 lb/hp
BMW 635d Cabrio
Fuel Economy / Emissions
ALPINA B6 Bi-Turbo Convertible
BMW 635d Cabrio
Fuel Economy
25 mpg
combined
33 mpg
ALPINA B6 Bi-Turbo Convertible
25 mpg
33 mpg
BMW 635d Cabrio
18 mpg
city
25 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
453 mi
Range
604 mi
ALPINA B6 Bi-Turbo Convertible
453 mi
604 mi
BMW 635d Cabrio
Environmental Impact
181.9 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).
148.1 kWh
ALPINA B6 Bi-Turbo Convertible
181.9 kWh
148.1 kWh
BMW 635d Cabrio
Euro 5
Emission Standard
Euro 4
360 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
ALPINA B6 Bi-Turbo Convertible
BMW 635d Cabrio
2
Doors
2
4
No. of Seats
4
739 lb
Maximum Payload
717 lb
9.9 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data