The Comparative Analysis :

BMW 425d Convertible (14 - 15) vs. ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)

€ 49,800
BMW 425d Convertible (14 - 15) BMW 425d Cabrio
€ 67,800
 ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) ALPINA B3 Bi-Turbo Convertible
€ 49,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 67,800

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ slightly. Both cars are the same height, but the BMW 425d Cabrio is 2.3 inches longer and 1.7 inches wider.
BMW 425d Cabrio
ALPINA B3 Bi-Turbo Convertible
54.5
Blueprint BMW 425d Convertible (14 - 15)
71.9
79.4
54.5
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
70.2
78
71.9 in
Width
70.2 in
79.4 in
Width Incl. Mirrors
78 in
54.5 in
Height
54.5 in
Blueprint BMW 425d Convertible (14 - 15)
110.6
182.6
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
108.7
180.3
182.6 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

BMW 425d Cabrio
ALPINA B3 Bi-Turbo Convertible
3781 lb
Curb Weight
4068 lb
3946 lb
Gross Vehicle
Weight
4850 lb
BMW 425d Convertible (14 - 15)
Weight Difference:
287 lb
7.06 %
ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)

General

BMW 425d Cabrio
ALPINA B3 Bi-Turbo Convertible
F33
Generation
E93
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed automatic transmission

Engine

BMW 425d Cabrio
ALPINA B3 Bi-Turbo Convertible
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N47
Engine Series
N47-D20
Engine Code
N54-K20
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
215 hp
at 4400 rpm
Power
355 hp
at 5500 rpm
BMW 425d Cabrio
215 hp
355 hp
ALPINA B3 Bi-Turbo Convertible
332 lb‑ft
at 1500 rpm
Max. Torque
369 lb‑ft
at 3800 rpm
BMW 425d Cabrio
332 lb‑ft
369 lb‑ft
ALPINA B3 Bi-Turbo Convertible

Performance

BMW 425d Cabrio
ALPINA B3 Bi-Turbo Convertible
150 mph
Maximum Speed
174 mph
7.3 sec
Acceleration 0 to 62 mph
5 sec
62 mph 62
mph

331 ft
0.000 sec

BMW 425d Cabrio

62 mph 62
mph

226 ft
0.000 sec

ALPINA B3 Bi-Turbo Convertible

▶ REPLAY
17.59 lb/hp
Weight-to-Power Ratio
11.46 lb/hp
BMW 425d Cabrio
17.59 lb/hp
11.46 lb/hp
ALPINA B3 Bi-Turbo Convertible

Fuel Economy / Emissions

BMW 425d Cabrio
ALPINA B3 Bi-Turbo Convertible
Fuel Economy
45 mpg
combined
24 mpg
BMW 425d Cabrio
45 mpg
24 mpg
ALPINA B3 Bi-Turbo Convertible
36 mpg
city
17 mpg
No data
highway
No data
Kraftstoffanzeige
15.1 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
681 mi
Range
403 mi
BMW 425d Cabrio
681 mi
403 mi
ALPINA B3 Bi-Turbo Convertible
Environmental Impact
107 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).
183.8 kWh
BMW 425d Cabrio
107 kWh
183.8 kWh
ALPINA B3 Bi-Turbo Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 4
222 g/mi (NEFZ)
CO2 Emissions
381 g/mi (NEFZ)

Practical Convenience

BMW 425d Cabrio
ALPINA B3 Bi-Turbo Convertible
2
Doors
2
4
No. of Seats
4
165 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data