The Comparative Analysis :
BMW 425d Coupé (14 - 15) vs. ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19)
€ 43,000

€ 88,900

€ 43,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 88,900
ⓘ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 Coupé is 0.2 cm shorter and 1.1 cm lower.
BMW 425d Coupé
ALPINA B4 S Bi-Turbo Coupé
1362
1825
2017
1373
1825
2025
1825 mm
Width
1825 mm
2017 mm
Width Incl. Mirrors
2025 mm
1362 mm
Height
1373 mm
2810
4638
2810
4640
4638 mm
Length
4640 mm
2810 mm
Wheelbase
2810 mm
Vehicle Weight
BMW 425d Coupé
ALPINA B4 S Bi-Turbo Coupé
1565 kg
Kerb Weight
1690 kg
2010 kg
Gross Vehicle
Weight
Weight
2135 kg

Weight Difference:
125 kg
7.4 %

General
BMW 425d Coupé
ALPINA B4 S Bi-Turbo Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
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 Coupé
ALPINA B4 S Bi-Turbo Coupé
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine with two turbochargers (biturbo)
BMW N47
Engine Series
N47-D20
Engine Code
N55-B30

4
Valves
4
4
Cylinders
6
1995 CC
Engine Capacity
2979 CC
215 bhp
at 4000 rpm
Power
446 bhp
at 5500 rpm
BMW 425d Coupé
215 bhp
446 bhp
ALPINA B4 S Bi-Turbo Coupé
450 NM
at 1500 rpm
Max. Torque
680 NM
at 3000 rpm
BMW 425d Coupé
450 NM
680 NM
ALPINA B4 S Bi-Turbo Coupé
Performance
BMW 425d Coupé
ALPINA B4 S Bi-Turbo Coupé
153 mph
Maximum Speed
190 mph
6.7 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
93 m
0.000 sec

BMW 425d Coupé
62 mph
62
mph
mph
58 m
0.000 sec

ALPINA B4 S Bi-Turbo Coupé
▶ REPLAY
7.28 kg/bhp
Weight-to-Power Ratio
3.79 kg/bhp
BMW 425d Coupé
7.28 kg/bhp
3.79 kg/bhp
ALPINA B4 S Bi-Turbo Coupé
Fuel Economy / Emissions
BMW 425d Coupé
ALPINA B4 S Bi-Turbo Coupé
Fuel Economy
56 mpg
combined
31 mpg
BMW 425d Coupé
56 mpg
31 mpg
ALPINA B4 S Bi-Turbo Coupé
46 mpg
city
23 mpg
No data
motorway
No data
57 L
Fuel Tank Capacity
60 L
708 mi
Range
409 mi
BMW 425d Coupé
708 mi
409 mi
ALPINA B4 S Bi-Turbo Coupé
Environmental Impact
102.8 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).
172.4 kWh
BMW 425d Coupé
102.8 kWh
172.4 kWh
ALPINA B4 S Bi-Turbo Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
131 g/km (NEFZ)
CO2 Emissions
207 g/km (NEFZ)
Practical Convenience
BMW 425d Coupé
ALPINA B4 S Bi-Turbo Coupé
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
445 kg
445 L
Boot Capacity
445 L








No data
Boot Capacity (Seats Down)
No data