The Comparative Analysis :

ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13) vs. BMW 425d Convertible Steptronic (14 - 15)

€ 70,600
ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13) ALPINA B3 S Bi-Turbo Convertible
€ 52,000
 BMW 425d Convertible Steptronic (14 - 15) BMW 425d Cabrio
€ 70,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,000

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

Vehicle Dimensions

The dimensions of these vehicles differ a little. Both cars are the same height, but the ALPINA B3 S Bi-Turbo Convertible is 0.6 inches shorter and 1.7 inches narrower.
ALPINA B3 S Bi-Turbo Convertible
BMW 425d Cabrio
54.5
Blueprint ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)
70.2
78
54.5
Blueprint BMW 425d Convertible Steptronic (14 - 15)
71.9
79.4
70.2 in
Width
71.9 in
78 in
Width Incl. Mirrors
79.4 in
54.5 in
Height
54.5 in
Blueprint ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)
108.7
182
Blueprint BMW 425d Convertible Steptronic (14 - 15)
110.6
182.6
182 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

ALPINA B3 S Bi-Turbo Convertible
BMW 425d Cabrio
4068 lb
Curb Weight
3814 lb
4806 lb
Gross Vehicle
Weight
3979 lb
ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)
Weight Difference:
254 lb
6.24 %
BMW 425d Convertible Steptronic (14 - 15)

General

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

Engine

ALPINA B3 S Bi-Turbo Convertible
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
N54-K30
Engine Code
N47-D20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
395 hp
at 6000 rpm
Power
215 hp
at 4400 rpm
ALPINA B3 S Bi-Turbo Convertible
395 hp
215 hp
BMW 425d Cabrio
398 lb‑ft
at 4500 rpm
Max. Torque
332 lb‑ft
at 1500 rpm
ALPINA B3 S Bi-Turbo Convertible
398 lb‑ft
332 lb‑ft
BMW 425d Cabrio

Performance

ALPINA B3 S Bi-Turbo Convertible
BMW 425d Cabrio
185 mph
Maximum Speed
150 mph
4.9 sec
Acceleration 0 to 62 mph
7.1 sec
62 mph 62
mph

223 ft
0.000 sec

ALPINA B3 S Bi-Turbo Convertible

62 mph 62
mph

325 ft
0.000 sec

BMW 425d Cabrio

▶ REPLAY
10.3 lb/hp
Weight-to-Power Ratio
17.74 lb/hp
ALPINA B3 S Bi-Turbo Convertible
10.3 lb/hp
17.74 lb/hp
BMW 425d Cabrio

Fuel Economy / Emissions

ALPINA B3 S Bi-Turbo Convertible
BMW 425d Cabrio
Fuel Economy
24 mpg
combined
47 mpg
ALPINA B3 S Bi-Turbo Convertible
24 mpg
47 mpg
BMW 425d Cabrio
17 mpg
city
39 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.1 gal
Kraftstoffanzeige
403 mi
Range
708 mi
ALPINA B3 S Bi-Turbo Convertible
403 mi
708 mi
BMW 425d Cabrio
Environmental Impact
183.8 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).
102.8 kWh
ALPINA B3 S Bi-Turbo Convertible
183.8 kWh
102.8 kWh
BMW 425d Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
362 g/mi (NEFZ)
CO2 Emissions
212 g/mi (NEFZ)

Practical Convenience

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