The Comparative Analysis :

BMW 320i Convertible Automatic (10 - 14) vs. ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)

€ 43,700
BMW 320i Convertible Automatic (10 - 14) BMW 320i Cabrio
€ 67,800
 ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) ALPINA B3 Bi-Turbo Convertible
€ 43,700
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 320i Cabrio is 1.3 inches longer.
BMW 320i Cabrio
ALPINA B3 Bi-Turbo Convertible
54.5
Blueprint BMW 320i Convertible Automatic (10 - 14)
70.2
78.1
54.5
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
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
Blueprint BMW 320i Convertible Automatic (10 - 14)
108.7
181.6
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
108.7
180.3
181.6 in
Length
180.3 in
108.7 in
Wheelbase
108.7 in

Vehicle Weight

BMW 320i Cabrio
ALPINA B3 Bi-Turbo Convertible
3748 lb
Curb Weight
4068 lb
4530 lb
Gross Vehicle
Weight
4850 lb
BMW 320i Convertible Automatic (10 - 14)
Weight Difference:
320 lb
7.87 %
ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)

General

BMW 320i 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 320i Cabrio
ALPINA B3 Bi-Turbo Convertible
Straight-four gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N43
Engine Series
N43-B20
Engine Code
N54-K20
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
168 hp
at 6700 rpm
Power
355 hp
at 5500 rpm
BMW 320i Cabrio
168 hp
355 hp
ALPINA B3 Bi-Turbo Convertible
155 lb‑ft
at 4250 rpm
Max. Torque
369 lb‑ft
at 3800 rpm
BMW 320i Cabrio
155 lb‑ft
369 lb‑ft
ALPINA B3 Bi-Turbo Convertible

Performance

BMW 320i Cabrio
ALPINA B3 Bi-Turbo Convertible
140 mph
Maximum Speed
174 mph
9.8 sec
Acceleration 0 to 62 mph
5 sec
62 mph 62
mph

446 ft
0.000 sec

BMW 320i Cabrio

62 mph 62
mph

226 ft
0.000 sec

ALPINA B3 Bi-Turbo Convertible

▶ REPLAY
22.31 lb/hp
Weight-to-Power Ratio
11.46 lb/hp
BMW 320i Cabrio
22.31 lb/hp
11.46 lb/hp
ALPINA B3 Bi-Turbo Convertible

Fuel Economy / Emissions

BMW 320i Cabrio
ALPINA B3 Bi-Turbo Convertible
Fuel Economy
32 mpg
combined
24 mpg
BMW 320i Cabrio
32 mpg
24 mpg
ALPINA B3 Bi-Turbo Convertible
24 mpg
city
17 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
536 mi
Range
403 mi
BMW 320i Cabrio
536 mi
403 mi
ALPINA B3 Bi-Turbo Convertible
Environmental Impact
138.2 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).
183.8 kWh
BMW 320i Cabrio
138.2 kWh
183.8 kWh
ALPINA B3 Bi-Turbo Convertible
Euro 5
Emission Standard
Euro 4
272 g/mi (NEFZ)
CO2 Emissions
381 g/mi (NEFZ)

Practical Convenience

BMW 320i 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