The Comparative Analysis :
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. BMW 330d Convertible DPF (07 - 07)
€ 75,900

€ 49,000

€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 49,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The ALPINA B4 Bi-Turbo Cabrio is slightly bigger in every dimension. It's 2.4 inches longer, 1.7 inches wider and 0.2 inches taller than the BMW 330d Convertible DPF.
ALPINA B4 Bi-Turbo Cabrio
BMW 330d Convertible DPF
54.3
71.9
79.7
54.1
70.2
78.1
71.9 in
Width
70.2 in
79.7 in
Width Incl. Mirrors
78.1 in
54.3 in
Height
54.1 in
110.6
182.7
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 330d Convertible DPF
4222 lb
Curb Weight
4023 lb
5071 lb
Gross Vehicle
Weight
Weight
4806 lb

Weight Difference:
198 lb
4.69 %

General
ALPINA B4 Bi-Turbo Cabrio
BMW 330d Convertible DPF
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 manual transmission
Engine
ALPINA B4 Bi-Turbo Cabrio
BMW 330d Convertible DPF
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
228 hp
at 4000 rpm
ALPINA B4 Bi-Turbo Cabrio
404 hp
228 hp
BMW 330d Convertible DPF
443 lb‑ft
at 3000 rpm
Max. Torque
369 lb‑ft
at 1750 rpm
ALPINA B4 Bi-Turbo Cabrio
443 lb‑ft
369 lb‑ft
BMW 330d Convertible DPF
Performance
ALPINA B4 Bi-Turbo Cabrio
BMW 330d Convertible DPF
187 mph
Maximum Speed
152 mph
4.5 sec
Acceleration 0 to 62 mph
7.1 sec
62 mph
62
mph
mph
207 ft
0.000 sec

ALPINA B4 Bi-Turbo Cabrio
62 mph
62
mph
mph
325 ft
0.000 sec

BMW 330d Convertible DPF
▶ REPLAY
10.45 lb/hp
Weight-to-Power Ratio
17.64 lb/hp
ALPINA B4 Bi-Turbo Cabrio
10.45 lb/hp
17.64 lb/hp
BMW 330d Convertible DPF
Fuel Economy / Emissions
ALPINA B4 Bi-Turbo Cabrio
BMW 330d Convertible DPF
Fuel Economy
29 mpg
combined
35 mpg
ALPINA B4 Bi-Turbo Cabrio
29 mpg
35 mpg
BMW 330d Convertible DPF
22 mpg
city
25 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.1 gal
466 mi
Range
557 mi
ALPINA B4 Bi-Turbo Cabrio
466 mi
557 mi
BMW 330d Convertible DPF
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).
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).
139.9 kWh
ALPINA B4 Bi-Turbo Cabrio
151.6 kWh
139.9 kWh
BMW 330d Convertible DPF
Euro 6b (NEFZ)
Emission Standard
Euro 4
299 g/mi (NEFZ)
CO2 Emissions
291 g/mi (NEFZ)
Practical Convenience
ALPINA B4 Bi-Turbo Cabrio
BMW 330d Convertible DPF
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