The Comparative Analysis :
ALPINA B4 S Bi-Turbo Cabrio Edition 99 Switch-Tronic (18 - 19) vs. BMW 425d Cabrio (14 - 15)
€ 96,100

€ 49,800

€ 96,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 49,800
ⓘ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 S Bi-Turbo Cabrio is 0.2 cm longer and 0.4 cm lower.
ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
1380
1825
2025
1384
1825
2017
1825 mm
Width
1825 mm
2025 mm
Width Incl. Mirrors
2017 mm
1380 mm
Height
1384 mm
2810
4640
2810
4638
4640 mm
Length
4638 mm
2810 mm
Wheelbase
2810 mm
Vehicle Weight
ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
1915 kg
Kerb Weight
1715 kg
2300 kg
Gross Vehicle
Weight
Weight
1790 kg

Weight Difference:
200 kg
10.44 %

General
ALPINA B4 S 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
6-speed manual transmission
Engine
ALPINA B4 S 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 N47
N55-B30
Engine Code
N47-D20

4
Valves
4
6
Cylinders
4
2979 CC
Engine Capacity
1995 CC
446 bhp
at 5500 rpm
Power
215 bhp
at 4400 rpm
ALPINA B4 S Bi-Turbo Cabrio
446 bhp
215 bhp
BMW 425d Cabrio
680 NM
at 3000 rpm
Max. Torque
450 NM
at 1500 rpm
ALPINA B4 S Bi-Turbo Cabrio
680 NM
450 NM
BMW 425d Cabrio
Performance
ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
189 mph
Maximum Speed
150 mph
4.3 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
60 m
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio
62 mph
62
mph
mph
101 m
0.000 sec

BMW 425d Cabrio
▶ REPLAY
4.29 kg/bhp
Weight-to-Power Ratio
7.98 kg/bhp
ALPINA B4 S Bi-Turbo Cabrio
4.29 kg/bhp
7.98 kg/bhp
BMW 425d Cabrio
Fuel Economy / Emissions
ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
Fuel Economy
31 mpg
combined
54 mpg
ALPINA B4 S Bi-Turbo Cabrio
31 mpg
54 mpg
BMW 425d Cabrio
23 mpg
city
43 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
57 L
409 mi
Range
681 mi
ALPINA B4 S Bi-Turbo Cabrio
409 mi
681 mi
BMW 425d Cabrio
Environmental Impact
172.4 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).
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).
107 kWh
ALPINA B4 S Bi-Turbo Cabrio
172.4 kWh
107 kWh
BMW 425d Cabrio
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
207 g/km (NEFZ)
CO2 Emissions
138 g/km (NEFZ)
Practical Convenience
ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
2
Doors
2
4
No. of Seats
4
385 kg
Maximum Payload
75 kg
370 L
Boot Capacity
370 L










No data
Boot Capacity (Seats Down)
No data