The Comparative Analysis :

ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17) vs. BMW 425d Cabrio Steptronic (16 - 17)

€ 75,900
ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 54,100
 BMW 425d Cabrio Steptronic (16 - 17) BMW 425d Cabrio
€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,100

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

Vehicle Dimensions

Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width, but the ALPINA B4 Bi-Turbo Cabrio is 0.2 cm longer and 0.4 cm lower.
ALPINA B4 Bi-Turbo Cabrio
BMW 425d Cabrio
1380
Blueprint ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)
1825
2025
1384
Blueprint BMW 425d Cabrio Steptronic (16 - 17)
1825
2017
1825 mm
Width
1825 mm
2025 mm
Width Incl. Mirrors
2017 mm
1380 mm
Height
1384 mm
Blueprint ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)
2810
4640
Blueprint BMW 425d Cabrio Steptronic (16 - 17)
2810
4638
4640 mm
Length
4638 mm
2810 mm
Wheelbase
2810 mm

Vehicle Weight

ALPINA B4 Bi-Turbo Cabrio
BMW 425d Cabrio
1915 kg
Kerb Weight
1820 kg
2300 kg
Gross Vehicle
Weight
2240 kg
ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)
Weight Difference:
95 kg
4.96 %
BMW 425d Cabrio Steptronic (16 - 17)

General

ALPINA B4 Bi-Turbo Cabrio
BMW 425d Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Diesel
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

ALPINA B4 Bi-Turbo Cabrio
BMW 425d Cabrio
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW B47
N55-R20
Engine Code
B47-D20
4
Valves
4
6
Cylinders
4
2979 CC
Engine Capacity
1995 CC
404 bhp
at 5500 rpm
Power
221 bhp
at 4400 rpm
ALPINA B4 Bi-Turbo Cabrio
404 bhp
221 bhp
BMW 425d Cabrio
600 NM
at 3000 rpm
Max. Torque
450 NM
at 1500 rpm
ALPINA B4 Bi-Turbo Cabrio
600 NM
450 NM
BMW 425d Cabrio

Performance

ALPINA B4 Bi-Turbo Cabrio
BMW 425d Cabrio
187 mph
Maximum Speed
150 mph
4.5 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph 62
mph

63 m
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

62 mph 62
mph

93 m
0.000 sec

BMW 425d Cabrio

▶ REPLAY
4.74 kg/bhp
Weight-to-Power Ratio
8.24 kg/bhp
ALPINA B4 Bi-Turbo Cabrio
4.74 kg/bhp
8.24 kg/bhp
BMW 425d Cabrio

Fuel Economy / Emissions

ALPINA B4 Bi-Turbo Cabrio
BMW 425d Cabrio
Fuel Economy
35 mpg
combined
59 mpg
ALPINA B4 Bi-Turbo Cabrio
35 mpg
59 mpg
BMW 425d Cabrio
26 mpg
city
51 mpg
No data
motorway
No data
Kraftstoffanzeige
60 L
Fuel Tank Capacity
57 L
Kraftstoffanzeige
466 mi
Range
738 mi
ALPINA B4 Bi-Turbo Cabrio
466 mi
738 mi
BMW 425d Cabrio
Environmental Impact
151.6 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).
98.8 kWh
ALPINA B4 Bi-Turbo Cabrio
151.6 kWh
98.8 kWh
BMW 425d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
186 g/km (NEFZ)
CO2 Emissions
127 g/km (NEFZ)

Practical Convenience

ALPINA B4 Bi-Turbo Cabrio
BMW 425d Cabrio
2
Doors
2
4
No. of Seats
4
385 kg
Maximum Payload
420 kg
370 L
Boot Capacity
370 L
No data
Boot Capacity (Seats Down)
No data