The Comparative Analysis :

BMW 320i Cabrio (10 - 14) vs. ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)

€ 41,500
BMW 320i Cabrio (10 - 14) BMW 320i Cabrio
€ 75,900
 ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 41,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 75,900

ⓘ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 2.8 cm shorter, 4.3 cm narrower and 0.4 cm taller than the ALPINA B4 Bi-Turbo Cabrio.
BMW 320i Cabrio
ALPINA B4 Bi-Turbo Cabrio
1384
Blueprint BMW 320i Cabrio (10 - 14)
1782
1985
1380
Blueprint ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)
1825
2025
1782 mm
Width
1825 mm
1985 mm
Width Incl. Mirrors
2025 mm
1384 mm
Height
1380 mm
Blueprint BMW 320i Cabrio (10 - 14)
2760
4612
Blueprint ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)
2810
4640
4612 mm
Length
4640 mm
2760 mm
Wheelbase
2810 mm

Vehicle Weight

BMW 320i Cabrio
ALPINA B4 Bi-Turbo Cabrio
1670 kg
Kerb Weight
1915 kg
2025 kg
Gross Vehicle
Weight
2300 kg
BMW 320i Cabrio (10 - 14)
Weight Difference:
245 kg
12.79 %
ALPINA B4 Bi-Turbo Cabrio Switch-Tronic (14 - 17)

General

BMW 320i Cabrio
ALPINA B4 Bi-Turbo Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

BMW 320i Cabrio
ALPINA B4 Bi-Turbo Cabrio
Straight-four petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
BMW N43
Engine Series
N43-B20
Engine Code
N55-R20
4
Valves
4
4
Cylinders
6
1995 CC
Engine Capacity
2979 CC
168 bhp
at 6700 rpm
Power
404 bhp
at 5500 rpm
BMW 320i Cabrio
168 bhp
404 bhp
ALPINA B4 Bi-Turbo Cabrio
210 NM
at 4250 rpm
Max. Torque
600 NM
at 3000 rpm
BMW 320i Cabrio
210 NM
600 NM
ALPINA B4 Bi-Turbo Cabrio

Performance

BMW 320i Cabrio
ALPINA B4 Bi-Turbo Cabrio
142 mph
Maximum Speed
187 mph
9.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

126 m
0.000 sec

BMW 320i Cabrio

62 mph 62
mph

63 m
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

▶ REPLAY
9.94 kg/bhp
Weight-to-Power Ratio
4.74 kg/bhp
BMW 320i Cabrio
9.94 kg/bhp
4.74 kg/bhp
ALPINA B4 Bi-Turbo Cabrio

Fuel Economy / Emissions

BMW 320i Cabrio
ALPINA B4 Bi-Turbo Cabrio
Fuel Economy
42 mpg
combined
35 mpg
BMW 320i Cabrio
42 mpg
35 mpg
ALPINA B4 Bi-Turbo Cabrio
32 mpg
city
26 mpg
No data
motorway
No data
Kraftstoffanzeige
63 L
Fuel Tank Capacity
60 L
Kraftstoffanzeige
575 mi
Range
466 mi
BMW 320i Cabrio
575 mi
466 mi
ALPINA B4 Bi-Turbo Cabrio
Environmental Impact
128.7 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).
151.6 kWh
BMW 320i Cabrio
128.7 kWh
151.6 kWh
ALPINA B4 Bi-Turbo Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
159 g/km (NEFZ)
CO2 Emissions
186 g/km (NEFZ)

Practical Convenience

BMW 320i Cabrio
ALPINA B4 Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
355 kg
Maximum Payload
385 kg
350 L
Boot Capacity
370 L
No data
Boot Capacity (Seats Down)
No data