The Comparative Analysis :
BMW 435i Convertible Steptronic (14 - 15) vs. ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19)
€ 56,200

€ 81,400

€ 56,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,400
ⓘ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 BMW 435i Cabrio is 0.1 inches shorter and 0.2 inches taller.
BMW 435i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
54.5
71.9
79.4
54.3
71.9
79.7
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.7 in
54.5 in
Height
54.3 in
110.6
182.6
110.6
182.7
182.6 in
Length
182.7 in
110.6 in
Wheelbase
110.6 in
Vehicle Weight
BMW 435i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
4001 lb
Curb Weight
4222 lb
4872 lb
Gross Vehicle
Weight
Weight
5071 lb

Weight Difference:
220 lb
5.21 %

General
BMW 435i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
BMW 435i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW N55
Engine Series
N55-B30
Engine Code
N55-B30

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
302 hp
at 5800 rpm
Power
434 hp
at 5500 rpm
BMW 435i Cabrio
302 hp
434 hp
ALPINA B4 S Bi-Turbo Cabrio
295 lb‑ft
at 1200 rpm
Max. Torque
487 lb‑ft
at 3000 rpm
BMW 435i Cabrio
295 lb‑ft
487 lb‑ft
ALPINA B4 S Bi-Turbo Cabrio
Performance
BMW 435i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
155 mph
Maximum Speed
189 mph
5.5 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
249 ft
0.000 sec

BMW 435i Cabrio
62 mph
62
mph
mph
197 ft
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio
▶ REPLAY
13.25 lb/hp
Weight-to-Power Ratio
9.73 lb/hp
BMW 435i Cabrio
13.25 lb/hp
9.73 lb/hp
ALPINA B4 S Bi-Turbo Cabrio
Fuel Economy / Emissions
BMW 435i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
Fuel Economy
31 mpg
combined
26 mpg
BMW 435i Cabrio
31 mpg
26 mpg
ALPINA B4 S Bi-Turbo Cabrio
22 mpg
city
19 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.9 gal
497 mi
Range
409 mi
BMW 435i Cabrio
497 mi
409 mi
ALPINA B4 S Bi-Turbo Cabrio
Environmental Impact
142.1 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).
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 435i Cabrio
142.1 kWh
172.4 kWh
ALPINA B4 S Bi-Turbo Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP (WLTP)
283 g/mi (NEFZ)
CO2 Emissions
333 g/mi (NEFZ)
Practical Convenience
BMW 435i Cabrio
ALPINA B4 S Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
849 lb
10.5 cu ft
Trunk Volume
10.5 cu ft










No data
Cargo Volume (Seats Down)
No data