The Comparative Analysis :
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18) vs. ALPINA D4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
€ 81,400

€ 65,700

€ 81,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 65,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the B4 S Bi-Turbo Cabrio and the D4 Bi-Turbo Cabrio are absolutely identical. Both are 182.7 inches long, 71.9 inches wide and 54.3 inches tall.
B4 S Bi-Turbo Cabrio
D4 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 S Bi-Turbo Cabrio
D4 Bi-Turbo Cabrio
4222 lb
Curb Weight
4167 lb
5071 lb
Gross Vehicle
Weight
Weight
4993 lb

Weight Difference:
55 lb
1.3 %

General
B4 S Bi-Turbo Cabrio
D4 Bi-Turbo Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
B4 S Bi-Turbo Cabrio
D4 Bi-Turbo Cabrio
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
N55-B30
Engine Code
N57-D30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
434 hp
at 5500 rpm
Power
345 hp
at 4000 rpm
B4 S Bi-Turbo Cabrio
434 hp
345 hp
D4 Bi-Turbo Cabrio
487 lb‑ft
at 3000 rpm
Max. Torque
516 lb‑ft
at 1500 rpm
B4 S Bi-Turbo Cabrio
487 lb‑ft
516 lb‑ft
D4 Bi-Turbo Cabrio
Performance
B4 S Bi-Turbo Cabrio
D4 Bi-Turbo Cabrio
189 mph
Maximum Speed
171 mph
4.3 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
197 ft
0.000 sec

B4 S Bi-Turbo Cabrio
62 mph
62
mph
mph
226 ft
0.000 sec

D4 Bi-Turbo Cabrio
▶ REPLAY
9.73 lb/hp
Weight-to-Power Ratio
12.08 lb/hp
B4 S Bi-Turbo Cabrio
9.73 lb/hp
12.08 lb/hp
D4 Bi-Turbo Cabrio
Fuel Economy / Emissions
B4 S Bi-Turbo Cabrio
D4 Bi-Turbo Cabrio
Fuel Economy
28 mpg
combined
40 mpg
B4 S Bi-Turbo Cabrio
28 mpg
40 mpg
D4 Bi-Turbo Cabrio
21 mpg
city
36 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.9 gal
449 mi
Range
632 mi
B4 S Bi-Turbo Cabrio
449 mi
632 mi
D4 Bi-Turbo 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).
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).
121.3 kWh
B4 S Bi-Turbo Cabrio
157.2 kWh
121.3 kWh
D4 Bi-Turbo Cabrio
Euro 6c (NEFZ)
Emission Standard
Euro 6b (NEFZ)
306 g/mi (NEFZ)
CO2 Emissions
251 g/mi (NEFZ)
Practical Convenience
B4 S Bi-Turbo Cabrio
D4 Bi-Turbo 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