The Comparative Analysis :
ALPINA B4 S Bi-Turbo Cabrio Edition 99 Switch-Tronic (18 - 19) vs. BMW 440i Cabrio xDrive Steptronic (17 - ..)
€ 96,100

€ 68,400

€ 96,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 68,400
ⓘ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 1.9 cm lower.
ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
1380
1825
2025
1399
1825
2017
1825 mm
Width
1825 mm
2025 mm
Width Incl. Mirrors
2017 mm
1380 mm
Height
1399 mm
2810
4640
2810
4638
4640 mm
Length
4638 mm
2810 mm
Wheelbase
2810 mm
Vehicle Weight
ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
1915 kg
Kerb Weight
1925 kg
2300 kg
Gross Vehicle
Weight
Weight
2300 kg

Weight Difference:
10 kg
0.52 %

General
ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
Straight-six petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW B58
N55-B30
Engine Code
B58-B30

4
Valves
4
6
Cylinders
6
2979 CC
Engine Capacity
2998 CC
446 bhp
at 5500 rpm
Power
322 bhp
at 5500 rpm
ALPINA B4 S Bi-Turbo Cabrio
446 bhp
322 bhp
BMW 440i Cabrio
680 NM
at 3000 rpm
Max. Torque
450 NM
at 1380 rpm
ALPINA B4 S Bi-Turbo Cabrio
680 NM
450 NM
BMW 440i Cabrio
Performance
ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
189 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
60 m
0.000 sec

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

BMW 440i Cabrio
▶ REPLAY
4.29 kg/bhp
Weight-to-Power Ratio
5.98 kg/bhp
ALPINA B4 S Bi-Turbo Cabrio
4.29 kg/bhp
5.98 kg/bhp
BMW 440i Cabrio
Fuel Economy / Emissions
ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
Fuel Economy
31 mpg
combined
36 mpg
ALPINA B4 S Bi-Turbo Cabrio
31 mpg
36 mpg
BMW 440i Cabrio
23 mpg
city
27 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
60 L
409 mi
Range
472 mi
ALPINA B4 S Bi-Turbo Cabrio
409 mi
472 mi
BMW 440i 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).
149.7 kWh
ALPINA B4 S Bi-Turbo Cabrio
172.4 kWh
149.7 kWh
BMW 440i Cabrio
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
207 g/km (NEFZ)
CO2 Emissions
219 g/km (WLTP)
Practical Convenience
ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
2
Doors
2
4
No. of Seats
4
385 kg
Maximum Payload
375 kg
370 L
Boot Capacity
370 L










No data
Boot Capacity (Seats Down)
No data