The Comparative Analysis :

ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. BMW 430i Convertible xDrive Steptronic (16 - 17)

€ 75,900
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 55,100
 BMW 430i Convertible xDrive Steptronic (16 - 17) BMW 430i Cabrio
€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 55,100

ⓘ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, but the ALPINA B4 Bi-Turbo Cabrio is 0.1 inches longer and 0.7 inches lower.
ALPINA B4 Bi-Turbo Cabrio
BMW 430i Cabrio
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
71.9
79.7
55.1
Blueprint BMW 430i Convertible xDrive Steptronic (16 - 17)
71.9
79.4
71.9 in
Width
71.9 in
79.7 in
Width Incl. Mirrors
79.4 in
54.3 in
Height
55.1 in
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
Blueprint BMW 430i Convertible xDrive Steptronic (16 - 17)
110.6
182.6
182.7 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in

Vehicle Weight

ALPINA B4 Bi-Turbo Cabrio
BMW 430i Cabrio
4222 lb
Curb Weight
4145 lb
5071 lb
Gross Vehicle
Weight
4971 lb
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
Weight Difference:
77 lb
1.82 %
BMW 430i Convertible xDrive Steptronic (16 - 17)

General

ALPINA B4 Bi-Turbo Cabrio
BMW 430i Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

ALPINA B4 Bi-Turbo Cabrio
BMW 430i Cabrio
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Engine Series
BMW B48
N55-R20
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
404 hp
at 5500 rpm
Power
249 hp
at 5200 rpm
ALPINA B4 Bi-Turbo Cabrio
404 hp
249 hp
BMW 430i Cabrio
443 lb‑ft
at 3000 rpm
Max. Torque
258 lb‑ft
at 1450 rpm
ALPINA B4 Bi-Turbo Cabrio
443 lb‑ft
258 lb‑ft
BMW 430i Cabrio

Performance

ALPINA B4 Bi-Turbo Cabrio
BMW 430i Cabrio
187 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
6.4 sec
62 mph 62
mph

207 ft
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

62 mph 62
mph

292 ft
0.000 sec

BMW 430i Cabrio

▶ REPLAY
10.45 lb/hp
Weight-to-Power Ratio
16.65 lb/hp
ALPINA B4 Bi-Turbo Cabrio
10.45 lb/hp
16.65 lb/hp
BMW 430i Cabrio

Fuel Economy / Emissions

ALPINA B4 Bi-Turbo Cabrio
BMW 430i Cabrio
Fuel Economy
29 mpg
combined
37 mpg
ALPINA B4 Bi-Turbo Cabrio
29 mpg
37 mpg
BMW 430i Cabrio
22 mpg
city
29 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
466 mi
Range
583 mi
ALPINA B4 Bi-Turbo Cabrio
466 mi
583 mi
BMW 430i 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).
121.2 kWh
ALPINA B4 Bi-Turbo Cabrio
151.6 kWh
121.2 kWh
BMW 430i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
299 g/mi (NEFZ)
CO2 Emissions
240 g/mi (NEFZ)

Practical Convenience

ALPINA B4 Bi-Turbo Cabrio
BMW 430i Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
827 lb
10.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data