The Comparative Analysis :

ALPINA B4 S Bi-Turbo Cabrio Switch-Tronic (17 - 18) vs. BMW 428i Cabrio (14 - 15)

€ 81,400
ALPINA B4 S Bi-Turbo Cabrio Switch-Tronic (17 - 18) ALPINA B4 S Bi-Turbo Cabrio
€ 48,200
 BMW 428i Cabrio (14 - 15) BMW 428i Cabrio
€ 81,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 48,200

ⓘ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 428i Cabrio
1380
Blueprint ALPINA B4 S Bi-Turbo Cabrio Switch-Tronic (17 - 18)
1825
2025
1384
Blueprint BMW 428i Cabrio (14 - 15)
1825
2017
1825 mm
Width
1825 mm
2025 mm
Width Incl. Mirrors
2017 mm
1380 mm
Height
1384 mm
Blueprint ALPINA B4 S Bi-Turbo Cabrio Switch-Tronic (17 - 18)
2810
4640
Blueprint BMW 428i Cabrio (14 - 15)
2810
4638
4640 mm
Length
4638 mm
2810 mm
Wheelbase
2810 mm

Vehicle Weight

ALPINA B4 S Bi-Turbo Cabrio
BMW 428i Cabrio
1915 kg
Kerb Weight
1755 kg
2300 kg
Gross Vehicle
Weight
2140 kg
ALPINA B4 S Bi-Turbo Cabrio Switch-Tronic (17 - 18)
Weight Difference:
160 kg
8.36 %
BMW 428i Cabrio (14 - 15)

General

ALPINA B4 S Bi-Turbo Cabrio
BMW 428i Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

ALPINA B4 S Bi-Turbo Cabrio
BMW 428i Cabrio
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four petrol engine with tur­bo­charger
Engine Series
BMW N20
N55-B30
Engine Code
N20-B20
4
Valves
4
6
Cylinders
4
2979 CC
Engine Capacity
1997 CC
434 bhp
at 5500 rpm
Power
242 bhp
at 5000 rpm
ALPINA B4 S Bi-Turbo Cabrio
434 bhp
242 bhp
BMW 428i Cabrio
660 NM
at 3000 rpm
Max. Torque
350 NM
at 1250 rpm
ALPINA B4 S Bi-Turbo Cabrio
660 NM
350 NM
BMW 428i Cabrio

Performance

ALPINA B4 S Bi-Turbo Cabrio
BMW 428i Cabrio
189 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
6.4 sec
62 mph 62
mph

60 m
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio

62 mph 62
mph

89 m
0.000 sec

BMW 428i Cabrio

▶ REPLAY
4.41 kg/bhp
Weight-to-Power Ratio
7.25 kg/bhp
ALPINA B4 S Bi-Turbo Cabrio
4.41 kg/bhp
7.25 kg/bhp
BMW 428i Cabrio

Fuel Economy / Emissions

ALPINA B4 S Bi-Turbo Cabrio
BMW 428i Cabrio
Fuel Economy
34 mpg
combined
42 mpg
ALPINA B4 S Bi-Turbo Cabrio
34 mpg
42 mpg
BMW 428i Cabrio
25 mpg
city
32 mpg
No data
motorway
No data
Kraftstoffanzeige
60 L
Fuel Tank Capacity
60 L
Kraftstoffanzeige
449 mi
Range
548 mi
ALPINA B4 S Bi-Turbo Cabrio
449 mi
548 mi
BMW 428i Cabrio
Environmental Impact
157.2 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).
128.7 kWh
ALPINA B4 S Bi-Turbo Cabrio
157.2 kWh
128.7 kWh
BMW 428i Cabrio
Euro 6c (NEFZ)
Emission Standard
Euro 6b (NEFZ)
190 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)

Practical Convenience

ALPINA B4 S Bi-Turbo Cabrio
BMW 428i Cabrio
2
Doors
2
4
No. of Seats
4
385 kg
Maximum Payload
385 kg
370 L
Boot Capacity
370 L
No data
Boot Capacity (Seats Down)
No data