The Comparative Analysis :

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

€ 51,900
BMW 425d Cabrio (16 - 17) BMW 425d Cabrio
€ 75,900
 ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 51,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 75,900

ⓘ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 BMW 425d Cabrio is 0.2 cm shorter and 0.4 cm taller.
BMW 425d Cabrio
ALPINA B4 Bi-Turbo Cabrio
1384
Blueprint BMW 425d Cabrio (16 - 17)
1825
2017
1380
Blueprint ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)
1825
2025
1825 mm
Width
1825 mm
2017 mm
Width Incl. Mirrors
2025 mm
1384 mm
Height
1380 mm
Blueprint BMW 425d Cabrio (16 - 17)
2810
4638
Blueprint ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)
2810
4640
4638 mm
Length
4640 mm
2810 mm
Wheelbase
2810 mm

Vehicle Weight

BMW 425d Cabrio
ALPINA B4 Bi-Turbo Cabrio
1810 kg
Kerb Weight
1915 kg
2230 kg
Gross Vehicle
Weight
2300 kg
BMW 425d Cabrio (16 - 17)
Weight Difference:
105 kg
5.48 %
ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)

General

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

Engine

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

Performance

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

99 m
0.000 sec

BMW 425d Cabrio

62 mph 62
mph

63 m
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

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

Fuel Economy / Emissions

BMW 425d Cabrio
ALPINA B4 Bi-Turbo Cabrio
Fuel Economy
55 mpg
combined
35 mpg
BMW 425d Cabrio
55 mpg
35 mpg
ALPINA B4 Bi-Turbo Cabrio
46 mpg
city
26 mpg
No data
motorway
No data
Kraftstoffanzeige
57 L
Fuel Tank Capacity
60 L
Kraftstoffanzeige
695 mi
Range
466 mi
BMW 425d Cabrio
695 mi
466 mi
ALPINA B4 Bi-Turbo Cabrio
Environmental Impact
104.9 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).
151.6 kWh
BMW 425d Cabrio
104.9 kWh
151.6 kWh
ALPINA B4 Bi-Turbo Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
133 g/km (NEFZ)
CO2 Emissions
186 g/km (NEFZ)

Practical Convenience

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