The Comparative Analysis :
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. BMW 330i Convertible Automatic (10 - 14)
€ 75,900

€ 52,400

€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,400
ⓘ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. The ALPINA B4 Bi-Turbo Cabrio is 1.1 inches longer, 1.7 inches wider and 0.2 inches lower than the BMW 330i Cabrio.
ALPINA B4 Bi-Turbo Cabrio
BMW 330i Cabrio
54.3
71.9
79.7
54.5
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
110.6
182.7
108.7
181.6
182.7 in
Length
181.6 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
ALPINA B4 Bi-Turbo Cabrio
BMW 330i Cabrio
4222 lb
Curb Weight
3957 lb
5071 lb
Gross Vehicle
Weight
Weight
4740 lb

Weight Difference:
265 lb
6.28 %

General
ALPINA B4 Bi-Turbo Cabrio
BMW 330i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
ALPINA B4 Bi-Turbo Cabrio
BMW 330i Cabrio
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Engine Series
BMW N53
N55-R20
Engine Code
N53-B30

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
404 hp
at 5500 rpm
Power
268 hp
at 6700 rpm
ALPINA B4 Bi-Turbo Cabrio
404 hp
268 hp
BMW 330i Cabrio
443 lb‑ft
at 3000 rpm
Max. Torque
236 lb‑ft
at 2750 rpm
ALPINA B4 Bi-Turbo Cabrio
443 lb‑ft
236 lb‑ft
BMW 330i Cabrio
Performance
ALPINA B4 Bi-Turbo Cabrio
BMW 330i Cabrio
187 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph
62
mph
mph
207 ft
0.000 sec

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

BMW 330i Cabrio
▶ REPLAY
10.45 lb/hp
Weight-to-Power Ratio
14.76 lb/hp
ALPINA B4 Bi-Turbo Cabrio
10.45 lb/hp
14.76 lb/hp
BMW 330i Cabrio
Fuel Economy / Emissions
ALPINA B4 Bi-Turbo Cabrio
BMW 330i Cabrio
Fuel Economy
29 mpg
combined
29 mpg
ALPINA B4 Bi-Turbo Cabrio
29 mpg
29 mpg
BMW 330i Cabrio
22 mpg
city
21 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
466 mi
Range
477 mi
ALPINA B4 Bi-Turbo Cabrio
466 mi
477 mi
BMW 330i 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).
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).
155.3 kWh
ALPINA B4 Bi-Turbo Cabrio
151.6 kWh
155.3 kWh
BMW 330i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
299 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
ALPINA B4 Bi-Turbo Cabrio
BMW 330i 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