The Comparative Analysis :

ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18) vs. BMW 840i Convertible xDrive Steptronic (19 - ..)

€ 137,200
ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18) ALPINA B6 Bi-Turbo Convertible
€ 105,800
 BMW 840i Convertible xDrive Steptronic (19 - ..) BMW 840i Cabrio
€ 137,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 105,800

ⓘ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 ALPINA B6 Bi-Turbo Convertible is 2 inches longer, 0.3 inches narrower and 1.3 inches taller than the BMW 840i Cabrio.
ALPINA B6 Bi-Turbo Convertible
BMW 840i Cabrio
54.1
Blueprint ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)
74.6
82.4
52.7
Blueprint BMW 840i Convertible xDrive Steptronic (19 - ..)
74.9
84.1
74.6 in
Width
74.9 in
82.4 in
Width Incl. Mirrors
84.1 in
54.1 in
Height
52.7 in
Blueprint ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)
112.4
192.7
Blueprint BMW 840i Convertible xDrive Steptronic (19 - ..)
111.1
190.7
192.7 in
Length
190.7 in
112.4 in
Wheelbase
111.1 in

Vehicle Weight

ALPINA B6 Bi-Turbo Convertible
BMW 840i Cabrio
4619 lb
Curb Weight
4310 lb
5357 lb
Gross Vehicle
Weight
5291 lb
ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)
Weight Difference:
309 lb
6.69 %
BMW 840i Convertible xDrive Steptronic (19 - ..)

General

ALPINA B6 Bi-Turbo Convertible
BMW 840i Cabrio
F12
Generation
G14
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

ALPINA B6 Bi-Turbo Convertible
BMW 840i Cabrio
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW B58
N63-B44
Engine Code
B58-B30
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
592 hp
at 6000 rpm
Power
335 hp
at 5000 rpm
ALPINA B6 Bi-Turbo Convertible
592 hp
335 hp
BMW 840i Cabrio
590 lb‑ft
at 3500 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
ALPINA B6 Bi-Turbo Convertible
590 lb‑ft
369 lb‑ft
BMW 840i Cabrio

Performance

ALPINA B6 Bi-Turbo Convertible
BMW 840i Cabrio
203 mph
Maximum Speed
155 mph
4.2 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

190 ft
0.000 sec

ALPINA B6 Bi-Turbo Convertible

62 mph 62
mph

223 ft
0.000 sec

BMW 840i Cabrio

▶ REPLAY
7.8 lb/hp
Weight-to-Power Ratio
12.87 lb/hp
ALPINA B6 Bi-Turbo Convertible
7.8 lb/hp
12.87 lb/hp
BMW 840i Cabrio

Fuel Economy / Emissions

ALPINA B6 Bi-Turbo Convertible
BMW 840i Cabrio
Fuel Economy
25 mpg
combined
31 mpg
ALPINA B6 Bi-Turbo Convertible
25 mpg
31 mpg
BMW 840i Cabrio
18 mpg
city
24 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
453 mi
Range
549 mi
ALPINA B6 Bi-Turbo Convertible
453 mi
549 mi
BMW 840i 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).
145.8 kWh
ALPINA B6 Bi-Turbo Convertible
181.9 kWh
145.8 kWh
BMW 840i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
360 g/mi (NEFZ)
CO2 Emissions
330 g/mi (WLTP)

Practical Convenience

ALPINA B6 Bi-Turbo Convertible
BMW 840i Cabrio
2
Doors
2
4
No. of Seats
4
739 lb
Maximum Payload
981 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data