The Comparative Analysis :

BMW M850i Convertible xDrive Steptronic Sport (19 - ..) vs. ALPINA B6 S Convertible Switch-Tronic (08 - 10)

€ 133,700
BMW M850i Convertible xDrive Steptronic Sport (19 - ..) BMW M850i Cabrio
€ 129,100
 ALPINA B6 S Convertible Switch-Tronic (08 - 10) ALPINA B6 S Convertible
€ 133,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 129,100

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ a little. The BMW M850i Cabrio is 0.9 inches longer, 1.9 inches wider and an inch lower than the ALPINA B6 S Convertible.
BMW M850i Cabrio
ALPINA B6 S Convertible
53
Blueprint BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
74.9
84.1
54
Blueprint ALPINA B6 S Convertible Switch-Tronic (08 - 10)
73
80.9
74.9 in
Width
73 in
84.1 in
Width Incl. Mirrors
80.9 in
53 in
Height
54 in
Blueprint BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
111.1
191
Blueprint ALPINA B6 S Convertible Switch-Tronic (08 - 10)
109.4
190.1
191 in
Length
190.1 in
111.1 in
Wheelbase
109.4 in

Vehicle Weight

BMW M850i Cabrio
ALPINA B6 S Convertible
4608 lb
Curb Weight
4420 lb
5545 lb
Gross Vehicle
Weight
5181 lb
BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
Weight Difference:
187 lb
4.06 %
ALPINA B6 S Convertible Switch-Tronic (08 - 10)

General

BMW M850i Cabrio
ALPINA B6 S Convertible
G14
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

BMW M850i Cabrio
ALPINA B6 S Convertible
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 gasoline engine with centri­fugal com­pres­sor
BMW N63
Engine Series
N63-B44
Engine Code
N62-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
523 hp
at 5500 rpm
BMW M850i Cabrio
523 hp
523 hp
ALPINA B6 S Convertible
553 lb‑ft
at 1800 rpm
Max. Torque
535 lb‑ft
at 4750 rpm
BMW M850i Cabrio
553 lb‑ft
535 lb‑ft
ALPINA B6 S Convertible

Performance

BMW M850i Cabrio
ALPINA B6 S Convertible
155 mph
Maximum Speed
194 mph
3.9 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph 62
mph

177 ft
0.000 sec

BMW M850i Cabrio

62 mph 62
mph

220 ft
0.000 sec

ALPINA B6 S Convertible

▶ REPLAY
8.81 lb/hp
Weight-to-Power Ratio
8.45 lb/hp
BMW M850i Cabrio
8.81 lb/hp
8.45 lb/hp
ALPINA B6 S Convertible

Fuel Economy / Emissions

BMW M850i Cabrio
ALPINA B6 S Convertible
Fuel Economy
23 mpg
combined
18 mpg
BMW M850i Cabrio
23 mpg
18 mpg
ALPINA B6 S Convertible
No data
city
12 mpg
No data
highway
No data
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
414 mi
Range
340 mi
BMW M850i Cabrio
414 mi
340 mi
ALPINA B6 S Convertible
Environmental Impact
193.3 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).
242.5 kWh
BMW M850i Cabrio
193.3 kWh
242.5 kWh
ALPINA B6 S Convertible
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
420 g/mi (WLTP)
CO2 Emissions
492 g/mi (NEFZ)

Practical Convenience

BMW M850i Cabrio
ALPINA B6 S Convertible
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
761 lb
9.9 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data