The Comparative Analysis :

ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. BMW 325d Convertible Automatic (07 - 10)

€ 75,900
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 49,600
 BMW 325d Convertible Automatic (07 - 10) BMW 325d Cabrio
€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 49,600

ⓘ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. The ALPINA B4 Bi-Turbo Cabrio is 2.4 inches longer, 1.7 inches wider and 0.2 inches lower than the BMW 325d Cabrio.
ALPINA B4 Bi-Turbo Cabrio
BMW 325d Cabrio
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
71.9
79.7
54.5
Blueprint BMW 325d Convertible Automatic (07 - 10)
70.2
78.1
71.9 in
Width
70.2 in
79.7 in
Width Incl. Mirrors
78.1 in
54.3 in
Height
54.5 in
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
Blueprint BMW 325d Convertible Automatic (07 - 10)
108.7
180.3
182.7 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

ALPINA B4 Bi-Turbo Cabrio
BMW 325d Cabrio
4222 lb
Curb Weight
4023 lb
5071 lb
Gross Vehicle
Weight
4806 lb
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
Weight Difference:
198 lb
4.69 %
BMW 325d Convertible Automatic (07 - 10)

General

ALPINA B4 Bi-Turbo Cabrio
BMW 325d Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

ALPINA B4 Bi-Turbo Cabrio
BMW 325d Cabrio
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six diesel engine with tur­bo­charger
Engine Series
BMW M57
N55-R20
Engine Code
M57-D30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
404 hp
at 5500 rpm
Power
194 hp
at 4000 rpm
ALPINA B4 Bi-Turbo Cabrio
404 hp
194 hp
BMW 325d Cabrio
443 lb‑ft
at 3000 rpm
Max. Torque
295 lb‑ft
at 1300 rpm
ALPINA B4 Bi-Turbo Cabrio
443 lb‑ft
295 lb‑ft
BMW 325d Cabrio

Performance

ALPINA B4 Bi-Turbo Cabrio
BMW 325d Cabrio
187 mph
Maximum Speed
145 mph
4.5 sec
Acceleration 0 to 62 mph
8 sec
62 mph 62
mph

207 ft
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

62 mph 62
mph

364 ft
0.000 sec

BMW 325d Cabrio

▶ REPLAY
10.45 lb/hp
Weight-to-Power Ratio
20.74 lb/hp
ALPINA B4 Bi-Turbo Cabrio
10.45 lb/hp
20.74 lb/hp
BMW 325d Cabrio

Fuel Economy / Emissions

ALPINA B4 Bi-Turbo Cabrio
BMW 325d Cabrio
Fuel Economy
29 mpg
combined
37 mpg
ALPINA B4 Bi-Turbo Cabrio
29 mpg
37 mpg
BMW 325d Cabrio
22 mpg
city
28 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.1 gal
Kraftstoffanzeige
466 mi
Range
592 mi
ALPINA B4 Bi-Turbo Cabrio
466 mi
592 mi
BMW 325d Cabrio
Environmental Impact
151.6 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).
131.6 kWh
ALPINA B4 Bi-Turbo Cabrio
151.6 kWh
131.6 kWh
BMW 325d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
299 g/mi (NEFZ)
CO2 Emissions
274 g/mi (NEFZ)

Practical Convenience

ALPINA B4 Bi-Turbo Cabrio
BMW 325d Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data