The Comparative Analysis :
ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19) vs. BMW 425d Coupé Steptronic (16 - 17)
€ 88,900

€ 47,000

€ 88,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 47,000
ⓘ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 Coupé is 0.1 inches longer and 0.2 inches lower.
ALPINA B4 S Bi-Turbo Coupé
BMW 425d Coupé
54.1
71.9
79.7
54.2
71.9
79.4
71.9 in
Width
71.9 in
79.7 in
Width Incl. Mirrors
79.4 in
54.1 in
Height
54.2 in
110.6
182.7
110.6
182.6
182.7 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in
Vehicle Weight
ALPINA B4 S Bi-Turbo Coupé
BMW 425d Coupé
3726 lb
Curb Weight
3505 lb
4707 lb
Gross Vehicle
Weight
Weight
4586 lb

Weight Difference:
220 lb
5.9 %

General
ALPINA B4 S Bi-Turbo Coupé
BMW 425d Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
ALPINA B4 S Bi-Turbo Coupé
BMW 425d Coupé
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
Engine Series
BMW B47
N55-B30
Engine Code
B47-D20

4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
446 hp
at 5500 rpm
Power
221 hp
at 4400 rpm
ALPINA B4 S Bi-Turbo Coupé
446 hp
221 hp
BMW 425d Coupé
502 lb‑ft
at 3000 rpm
Max. Torque
332 lb‑ft
at 1500 rpm
ALPINA B4 S Bi-Turbo Coupé
502 lb‑ft
332 lb‑ft
BMW 425d Coupé
Performance
ALPINA B4 S Bi-Turbo Coupé
BMW 425d Coupé
190 mph
Maximum Speed
153 mph
4.2 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
190 ft
0.000 sec

ALPINA B4 S Bi-Turbo Coupé
62 mph
62
mph
mph
279 ft
0.000 sec

BMW 425d Coupé
▶ REPLAY
8.35 lb/hp
Weight-to-Power Ratio
15.86 lb/hp
ALPINA B4 S Bi-Turbo Coupé
8.35 lb/hp
15.86 lb/hp
BMW 425d Coupé
Fuel Economy / Emissions
ALPINA B4 S Bi-Turbo Coupé
BMW 425d Coupé
Fuel Economy
26 mpg
combined
53 mpg
ALPINA B4 S Bi-Turbo Coupé
26 mpg
53 mpg
BMW 425d Coupé
19 mpg
city
47 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.1 gal
409 mi
Range
805 mi
ALPINA B4 S Bi-Turbo Coupé
409 mi
805 mi
BMW 425d Coupé
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).
90.4 kWh
ALPINA B4 S Bi-Turbo Coupé
172.4 kWh
90.4 kWh
BMW 425d Coupé
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
333 g/mi (NEFZ)
CO2 Emissions
187 g/mi (NEFZ)
Practical Convenience
ALPINA B4 S Bi-Turbo Coupé
BMW 425d Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
1080 lb
12.6 cu ft
Trunk Volume
12.6 cu ft








No data
Cargo Volume (Seats Down)
No data