The Comparative Analysis :

ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18) vs. BMW 440i Convertible xDrive Steptronic (16 - 17)

€ 81,400
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18) ALPINA B4 S Bi-Turbo Cabrio
€ 60,900
 BMW 440i Convertible xDrive Steptronic (16 - 17) BMW 440i Cabrio
€ 81,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 60,900

ⓘ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 S Bi-Turbo Cabrio is 0.1 inches longer and 0.7 inches lower.
ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
71.9
79.7
55.1
Blueprint BMW 440i 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 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
110.6
182.7
Blueprint BMW 440i 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 S Bi-Turbo Cabrio
BMW 440i Cabrio
4222 lb
Curb Weight
4244 lb
5071 lb
Gross Vehicle
Weight
5071 lb
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
Weight Difference:
22 lb
0.52 %
BMW 440i Convertible xDrive Steptronic (16 - 17)

General

ALPINA B4 S Bi-Turbo Cabrio
BMW 440i 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 S Bi-Turbo Cabrio
BMW 440i Cabrio
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW B58
N55-B30
Engine Code
B58-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
434 hp
at 5500 rpm
Power
322 hp
at 5500 rpm
ALPINA B4 S Bi-Turbo Cabrio
434 hp
322 hp
BMW 440i Cabrio
487 lb‑ft
at 3000 rpm
Max. Torque
332 lb‑ft
at 1380 rpm
ALPINA B4 S Bi-Turbo Cabrio
487 lb‑ft
332 lb‑ft
BMW 440i Cabrio

Performance

ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
189 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

197 ft
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio

62 mph 62
mph

246 ft
0.000 sec

BMW 440i Cabrio

▶ REPLAY
9.73 lb/hp
Weight-to-Power Ratio
13.18 lb/hp
ALPINA B4 S Bi-Turbo Cabrio
9.73 lb/hp
13.18 lb/hp
BMW 440i Cabrio

Fuel Economy / Emissions

ALPINA B4 S Bi-Turbo Cabrio
BMW 440i Cabrio
Fuel Economy
28 mpg
combined
32 mpg
ALPINA B4 S Bi-Turbo Cabrio
28 mpg
32 mpg
BMW 440i Cabrio
21 mpg
city
24 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
449 mi
Range
511 mi
ALPINA B4 S Bi-Turbo Cabrio
449 mi
511 mi
BMW 440i Cabrio
Environmental Impact
157.2 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).
138.2 kWh
ALPINA B4 S Bi-Turbo Cabrio
157.2 kWh
138.2 kWh
BMW 440i Cabrio
Euro 6c (NEFZ)
Emission Standard
Euro 6b (NEFZ)
306 g/mi (NEFZ)
CO2 Emissions
272 g/mi (NEFZ)

Practical Convenience

ALPINA B4 S Bi-Turbo Cabrio
BMW 440i 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