The Comparative Analysis :

ALPINA B6 S Convertible Switch-Tronic (08 - 10) vs. BMW 640i Convertible Steptronic (15 - 18)

€ 129,100
ALPINA B6 S Convertible Switch-Tronic (08 - 10) ALPINA B6 S Convertible
€ 91,700
 BMW 640i Convertible Steptronic (15 - 18) BMW 640i Cabrio
€ 129,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,700

ⓘ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 640i Cabrio.
ALPINA B6 S Convertible
BMW 640i Cabrio
54
Blueprint ALPINA B6 S Convertible Switch-Tronic (08 - 10)
73
80.9
53.7
Blueprint BMW 640i Convertible Steptronic (15 - 18)
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
Blueprint ALPINA B6 S Convertible Switch-Tronic (08 - 10)
109.4
190.1
Blueprint BMW 640i Convertible Steptronic (15 - 18)
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 640i Cabrio
4420 lb
Curb Weight
4178 lb
5181 lb
Gross Vehicle
Weight
5126 lb
ALPINA B6 S Convertible Switch-Tronic (08 - 10)
Weight Difference:
243 lb
5.5 %
BMW 640i Convertible Steptronic (15 - 18)

General

ALPINA B6 S Convertible
BMW 640i Cabrio
E64
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

ALPINA B6 S Convertible
BMW 640i Cabrio
V8 gasoline engine with centri­fugal com­pres­sor
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW N55
N62-B44
Engine Code
N55-B30
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
523 hp
at 5500 rpm
Power
316 hp
at 5800 rpm
ALPINA B6 S Convertible
523 hp
316 hp
BMW 640i Cabrio
535 lb‑ft
at 4750 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
ALPINA B6 S Convertible
535 lb‑ft
332 lb‑ft
BMW 640i Cabrio

Performance

ALPINA B6 S Convertible
BMW 640i Cabrio
194 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph 62
mph

220 ft
0.000 sec

ALPINA B6 S Convertible

62 mph 62
mph

249 ft
0.000 sec

BMW 640i Cabrio

▶ REPLAY
8.45 lb/hp
Weight-to-Power Ratio
13.22 lb/hp
ALPINA B6 S Convertible
8.45 lb/hp
13.22 lb/hp
BMW 640i Cabrio

Fuel Economy / Emissions

ALPINA B6 S Convertible
BMW 640i Cabrio
Fuel Economy
18 mpg
combined
31 mpg
ALPINA B6 S Convertible
18 mpg
31 mpg
BMW 640i Cabrio
12 mpg
city
22 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
340 mi
Range
565 mi
ALPINA B6 S Convertible
340 mi
565 mi
BMW 640i 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).
145.8 kWh
ALPINA B6 S Convertible
242.5 kWh
145.8 kWh
BMW 640i Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
492 g/mi (NEFZ)
CO2 Emissions
288 g/mi (NEFZ)

Practical Convenience

ALPINA B6 S Convertible
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
761 lb
Maximum Payload
948 lb
8.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data