The Comparative Analysis :
BMW 330i Convertible Automatic (10 - 14) vs. ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
€ 52,400

€ 67,800

€ 52,400
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
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width and height, but the BMW 330i Cabrio is 1.3 inches longer.
BMW 330i Cabrio
ALPINA B3 Bi-Turbo Convertible
54.5
70.2
78.1
54.5
70.2
78
70.2 in
Width
70.2 in
78.1 in
Width Incl. Mirrors
78 in
54.5 in
Height
54.5 in
108.7
181.6
108.7
180.3
181.6 in
Length
180.3 in
108.7 in
Wheelbase
108.7 in
Vehicle Weight
BMW 330i Cabrio
ALPINA B3 Bi-Turbo Convertible
3957 lb
Curb Weight
4068 lb
4740 lb
Gross Vehicle
Weight
Weight
4850 lb

Weight Difference:
110 lb
2.7 %

General
BMW 330i Cabrio
ALPINA B3 Bi-Turbo Convertible
E93
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 330i Cabrio
ALPINA B3 Bi-Turbo Convertible
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW N53
Engine Series
N53-B30
Engine Code
N54-K20

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
268 hp
at 6700 rpm
Power
355 hp
at 5500 rpm
BMW 330i Cabrio
268 hp
355 hp
ALPINA B3 Bi-Turbo Convertible
236 lb‑ft
at 2750 rpm
Max. Torque
369 lb‑ft
at 3800 rpm
BMW 330i Cabrio
236 lb‑ft
369 lb‑ft
ALPINA B3 Bi-Turbo Convertible
Performance
BMW 330i Cabrio
ALPINA B3 Bi-Turbo Convertible
155 mph
Maximum Speed
174 mph
6.7 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
305 ft
0.000 sec

BMW 330i Cabrio
62 mph
62
mph
mph
226 ft
0.000 sec

ALPINA B3 Bi-Turbo Convertible
▶ REPLAY
14.76 lb/hp
Weight-to-Power Ratio
11.46 lb/hp
BMW 330i Cabrio
14.76 lb/hp
11.46 lb/hp
ALPINA B3 Bi-Turbo Convertible
Fuel Economy / Emissions
BMW 330i Cabrio
ALPINA B3 Bi-Turbo Convertible
Fuel Economy
29 mpg
combined
24 mpg
BMW 330i Cabrio
29 mpg
24 mpg
ALPINA B3 Bi-Turbo Convertible
21 mpg
city
17 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
477 mi
Range
403 mi
BMW 330i Cabrio
477 mi
403 mi
ALPINA B3 Bi-Turbo Convertible
Environmental Impact
155.3 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).
183.8 kWh
BMW 330i Cabrio
155.3 kWh
183.8 kWh
ALPINA B3 Bi-Turbo Convertible
Euro 5
Emission Standard
Euro 4
306 g/mi (NEFZ)
CO2 Emissions
381 g/mi (NEFZ)
Practical Convenience
BMW 330i Cabrio
ALPINA B3 Bi-Turbo Convertible
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
783 lb
9.9 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data