The Comparative Analysis :
ALPINA B6 S Convertible Switch-Tronic (08 - 10) vs. BMW 650i Convertible xDrive Steptronic (15 - 18)
€ 129,100

€ 106,700

€ 129,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 106,700
ⓘ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. The ALPINA B6 S Convertible is 2.6 inches shorter, 1.5 inches narrower and 0.2 inches taller than the BMW 650i Cabrio.
ALPINA B6 S Convertible
BMW 650i Cabrio
54
73
80.9
53.7
74.6
81.9
73 in
Width
74.6 in
80.9 in
Width Incl. Mirrors
81.9 in
54 in
Height
53.7 in
109.4
190.1
112.4
192.7
190.1 in
Length
192.7 in
109.4 in
Wheelbase
112.4 in
Vehicle Weight
ALPINA B6 S Convertible
BMW 650i Cabrio
4420 lb
Curb Weight
4530 lb
5181 lb
Gross Vehicle
Weight
Weight
5467 lb

Weight Difference:
110 lb
2.43 %

General
ALPINA B6 S Convertible
BMW 650i Cabrio
E64
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
ALPINA B6 S Convertible
BMW 650i Cabrio
V8 gasoline engine with centrifugal compressor
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Engine Series
BMW N63
N62-B44
Engine Code
N63-B44
4
Valves
4
8
Cylinders
8
4.4 L / 215 cu in
Displacement
4.4 L / 215 cu in
523 hp
at 5500 rpm
Power
444 hp
at 5500 rpm
ALPINA B6 S Convertible
523 hp
444 hp
BMW 650i Cabrio
535 lb‑ft
at 4750 rpm
Max. Torque
479 lb‑ft
at 2000 rpm
ALPINA B6 S Convertible
535 lb‑ft
479 lb‑ft
BMW 650i Cabrio
Performance
ALPINA B6 S Convertible
BMW 650i Cabrio
194 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
220 ft
0.000 sec

ALPINA B6 S Convertible
62 mph
62
mph
mph
207 ft
0.000 sec

BMW 650i Cabrio
▶ REPLAY
8.45 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
ALPINA B6 S Convertible
8.45 lb/hp
10.2 lb/hp
BMW 650i Cabrio
Fuel Economy / Emissions
ALPINA B6 S Convertible
BMW 650i Cabrio
Fuel Economy
18 mpg
combined
25 mpg
ALPINA B6 S Convertible
18 mpg
25 mpg
BMW 650i Cabrio
12 mpg
city
18 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18.5 gal
340 mi
Range
468 mi
ALPINA B6 S Convertible
340 mi
468 mi
BMW 650i 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).
176.2 kWh
ALPINA B6 S Convertible
242.5 kWh
176.2 kWh
BMW 650i Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
492 g/mi (NEFZ)
CO2 Emissions
349 g/mi (NEFZ)
Practical Convenience
ALPINA B6 S Convertible
BMW 650i Cabrio
2
Doors
2
4
No. of Seats
4
761 lb
Maximum Payload
937 lb
8.5 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data