The Comparative Analysis :

BMW 320i Convertible Automatic (10 - 14) vs. ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)

€ 43,700
BMW 320i Convertible Automatic (10 - 14) BMW 320i Cabrio
€ 96,100
 ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19) ALPINA B4 S Bi-Turbo Cabrio
€ 43,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 96,100

ⓘ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 BMW 320i Cabrio is 1.1 inches shorter, 1.7 inches narrower and 0.2 inches taller than the ALPINA B4 S Bi-Turbo Cabrio.
BMW 320i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
54.5
Blueprint BMW 320i Convertible Automatic (10 - 14)
70.2
78.1
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
71.9
79.7
70.2 in
Width
71.9 in
78.1 in
Width Incl. Mirrors
79.7 in
54.5 in
Height
54.3 in
Blueprint BMW 320i Convertible Automatic (10 - 14)
108.7
181.6
Blueprint ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
110.6
182.7
181.6 in
Length
182.7 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

BMW 320i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
3748 lb
Curb Weight
4222 lb
4530 lb
Gross Vehicle
Weight
5071 lb
BMW 320i Convertible Automatic (10 - 14)
Weight Difference:
474 lb
11.23 %
ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)

General

BMW 320i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

BMW 320i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
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
N55-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
168 hp
at 6700 rpm
Power
446 hp
at 5500 rpm
BMW 320i Cabrio
168 hp
446 hp
ALPINA B4 S Bi-Turbo Cabrio
155 lb‑ft
at 4250 rpm
Max. Torque
502 lb‑ft
at 3000 rpm
BMW 320i Cabrio
155 lb‑ft
502 lb‑ft
ALPINA B4 S Bi-Turbo Cabrio

Performance

BMW 320i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
140 mph
Maximum Speed
189 mph
9.8 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

446 ft
0.000 sec

BMW 320i Cabrio

62 mph 62
mph

197 ft
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio

▶ REPLAY
22.31 lb/hp
Weight-to-Power Ratio
9.47 lb/hp
BMW 320i Cabrio
22.31 lb/hp
9.47 lb/hp
ALPINA B4 S Bi-Turbo Cabrio

Fuel Economy / Emissions

BMW 320i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
Fuel Economy
32 mpg
combined
26 mpg
BMW 320i Cabrio
32 mpg
26 mpg
ALPINA B4 S Bi-Turbo Cabrio
24 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
536 mi
Range
409 mi
BMW 320i Cabrio
536 mi
409 mi
ALPINA B4 S Bi-Turbo Cabrio
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).
172.4 kWh
BMW 320i Cabrio
138.2 kWh
172.4 kWh
ALPINA B4 S Bi-Turbo Cabrio
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
272 g/mi (NEFZ)
CO2 Emissions
333 g/mi (NEFZ)

Practical Convenience

BMW 320i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
849 lb
9.9 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data