The Comparative Analysis :
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
€ 75,900

€ 81,400

€ 75,900
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
The dimensions of the B4 Bi-Turbo Cabrio and the B4 S Bi-Turbo Cabrio are absolutely identical. Both are 182.7 inches long, 71.9 inches wide and 54.3 inches tall.
B4 Bi-Turbo Cabrio
B4 S Bi-Turbo Cabrio
54.3
71.9
79.7
54.3
71.9
79.7
71.9 in
Width
71.9 in
79.7 in
Width Incl. Mirrors
79.7 in
54.3 in
Height
54.3 in
110.6
182.7
110.6
182.7
182.7 in
Length
182.7 in
110.6 in
Wheelbase
110.6 in
Vehicle Weight
B4 Bi-Turbo Cabrio
B4 S Bi-Turbo Cabrio
4222 lb
Curb Weight
4222 lb
5071 lb
Gross Vehicle
Weight
Weight
5071 lb

Weight Difference:
0 lb
0 %

General
B4 Bi-Turbo Cabrio
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
B4 Bi-Turbo Cabrio
B4 S Bi-Turbo Cabrio
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
N55-R20
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
404 hp
at 5500 rpm
Power
434 hp
at 5500 rpm
B4 Bi-Turbo Cabrio
404 hp
434 hp
B4 S Bi-Turbo Cabrio
443 lb‑ft
at 3000 rpm
Max. Torque
487 lb‑ft
at 3000 rpm
B4 Bi-Turbo Cabrio
443 lb‑ft
487 lb‑ft
B4 S Bi-Turbo Cabrio
Performance
B4 Bi-Turbo Cabrio
B4 S Bi-Turbo Cabrio
187 mph
Maximum Speed
189 mph
4.5 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
207 ft
0.000 sec

B4 Bi-Turbo Cabrio
62 mph
62
mph
mph
197 ft
0.000 sec

B4 S Bi-Turbo Cabrio
▶ REPLAY
10.45 lb/hp
Weight-to-Power Ratio
9.73 lb/hp
B4 Bi-Turbo Cabrio
10.45 lb/hp
9.73 lb/hp
B4 S Bi-Turbo Cabrio
Fuel Economy / Emissions
B4 Bi-Turbo Cabrio
B4 S Bi-Turbo Cabrio
Fuel Economy
29 mpg
combined
28 mpg
B4 Bi-Turbo Cabrio
29 mpg
28 mpg
B4 S Bi-Turbo Cabrio
22 mpg
city
21 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.9 gal
466 mi
Range
449 mi
B4 Bi-Turbo Cabrio
466 mi
449 mi
B4 S Bi-Turbo 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).
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).
157.2 kWh
B4 Bi-Turbo Cabrio
151.6 kWh
157.2 kWh
B4 S Bi-Turbo Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ)
299 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
B4 Bi-Turbo Cabrio
B4 S Bi-Turbo Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
849 lb
10.5 cu ft
Trunk Volume
10.5 cu ft










No data
Cargo Volume (Seats Down)
No data