The Comparative Analysis :

BMW M850i Convertible xDrive Steptronic Sport (19 - ..) vs. ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)

€ 133,700
BMW M850i Convertible xDrive Steptronic Sport (19 - ..) BMW M850i Cabrio
€ 137,200
 ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18) ALPINA B6 Bi-Turbo Convertible
€ 133,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 137,200

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

Vehicle Dimensions

The dimensions of these vehicles differ a little. The BMW M850i Cabrio is 1.7 inches shorter, 0.3 inches wider and 1.1 inches lower than the ALPINA B6 Bi-Turbo Convertible.
BMW M850i Cabrio
ALPINA B6 Bi-Turbo Convertible
53
Blueprint BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
74.9
84.1
54.1
Blueprint ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)
74.6
82.4
74.9 in
Width
74.6 in
84.1 in
Width Incl. Mirrors
82.4 in
53 in
Height
54.1 in
Blueprint BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
111.1
191
Blueprint ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)
112.4
192.7
191 in
Length
192.7 in
111.1 in
Wheelbase
112.4 in

Vehicle Weight

BMW M850i Cabrio
ALPINA B6 Bi-Turbo Convertible
4608 lb
Curb Weight
4619 lb
5545 lb
Gross Vehicle
Weight
5357 lb
BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
Weight Difference:
11 lb
0.24 %
ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)

General

BMW M850i Cabrio
ALPINA B6 Bi-Turbo Convertible
G14
Generation
F12
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
8-speed automatic transmission

Engine

BMW M850i Cabrio
ALPINA B6 Bi-Turbo Convertible
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N63
Engine Series
N63-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
592 hp
at 6000 rpm
BMW M850i Cabrio
523 hp
592 hp
ALPINA B6 Bi-Turbo Convertible
553 lb‑ft
at 1800 rpm
Max. Torque
590 lb‑ft
at 3500 rpm
BMW M850i Cabrio
553 lb‑ft
590 lb‑ft
ALPINA B6 Bi-Turbo Convertible

Performance

BMW M850i Cabrio
ALPINA B6 Bi-Turbo Convertible
155 mph
Maximum Speed
203 mph
3.9 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph 62
mph

177 ft
0.000 sec

BMW M850i Cabrio

62 mph 62
mph

190 ft
0.000 sec

ALPINA B6 Bi-Turbo Convertible

▶ REPLAY
8.81 lb/hp
Weight-to-Power Ratio
7.8 lb/hp
BMW M850i Cabrio
8.81 lb/hp
7.8 lb/hp
ALPINA B6 Bi-Turbo Convertible

Fuel Economy / Emissions

BMW M850i Cabrio
ALPINA B6 Bi-Turbo Convertible
Fuel Economy
23 mpg
combined
25 mpg
BMW M850i Cabrio
23 mpg
25 mpg
ALPINA B6 Bi-Turbo Convertible
No data
city
18 mpg
No data
highway
No data
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
414 mi
Range
453 mi
BMW M850i Cabrio
414 mi
453 mi
ALPINA B6 Bi-Turbo 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).
181.9 kWh
BMW M850i Cabrio
193.3 kWh
181.9 kWh
ALPINA B6 Bi-Turbo Convertible
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
420 g/mi (WLTP)
CO2 Emissions
360 g/mi (NEFZ)

Practical Convenience

BMW M850i Cabrio
ALPINA B6 Bi-Turbo Convertible
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
739 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data