The Comparative Analysis :

ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19) vs. BMW 425d Convertible (14 - 15)

€ 96,100
ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19) ALPINA B4 S Bi-Turbo Cabrio
€ 49,800
 BMW 425d Convertible (14 - 15) BMW 425d Cabrio
€ 96,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 49,800

ⓘ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 0.1 inches longer and 0.2 inches lower.
ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
71.9
79.7
54.5
Blueprint BMW 425d Convertible (14 - 15)
71.9
79.4
71.9 in
Width
71.9 in
79.7 in
Width Incl. Mirrors
79.4 in
54.3 in
Height
54.5 in
Blueprint ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
110.6
182.7
Blueprint BMW 425d Convertible (14 - 15)
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 Cabrio
BMW 425d Cabrio
4222 lb
Curb Weight
3781 lb
5071 lb
Gross Vehicle
Weight
3946 lb
ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
Weight Difference:
441 lb
10.45 %
BMW 425d Convertible (14 - 15)

General

ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Series
BMW N47
N55-B30
Engine Code
N47-D20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
446 hp
at 5500 rpm
Power
215 hp
at 4400 rpm
ALPINA B4 S Bi-Turbo Cabrio
446 hp
215 hp
BMW 425d Cabrio
502 lb‑ft
at 3000 rpm
Max. Torque
332 lb‑ft
at 1500 rpm
ALPINA B4 S Bi-Turbo Cabrio
502 lb‑ft
332 lb‑ft
BMW 425d Cabrio

Performance

ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
189 mph
Maximum Speed
150 mph
4.3 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph 62
mph

197 ft
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio

62 mph 62
mph

331 ft
0.000 sec

BMW 425d Cabrio

▶ REPLAY
9.47 lb/hp
Weight-to-Power Ratio
17.59 lb/hp
ALPINA B4 S Bi-Turbo Cabrio
9.47 lb/hp
17.59 lb/hp
BMW 425d Cabrio

Fuel Economy / Emissions

ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
Fuel Economy
26 mpg
combined
45 mpg
ALPINA B4 S Bi-Turbo Cabrio
26 mpg
45 mpg
BMW 425d Cabrio
19 mpg
city
36 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.1 gal
Kraftstoffanzeige
409 mi
Range
681 mi
ALPINA B4 S Bi-Turbo Cabrio
409 mi
681 mi
BMW 425d 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).
107 kWh
ALPINA B4 S Bi-Turbo Cabrio
172.4 kWh
107 kWh
BMW 425d Cabrio
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
333 g/mi (NEFZ)
CO2 Emissions
222 g/mi (NEFZ)

Practical Convenience

ALPINA B4 S Bi-Turbo Cabrio
BMW 425d Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
165 lb
10.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data