The Comparative Analysis :

ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19) vs. ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)

€ 81,400
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19) B4 S Bi-Turbo Cabrio
€ 67,800
 ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) B3 Bi-Turbo Convertible
€ 81,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 67,800

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ slightly. The B4 S Bi-Turbo Cabrio is 2.4 inches longer, 1.7 inches wider and 0.2 inches lower than the B3 Bi-Turbo Convertible.
B4 S Bi-Turbo Cabrio
B3 Bi-Turbo Convertible
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19)
71.9
79.7
54.5
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
70.2
78
71.9 in
Width
70.2 in
79.7 in
Width Incl. Mirrors
78 in
54.3 in
Height
54.5 in
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19)
110.6
182.7
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
108.7
180.3
182.7 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

B4 S Bi-Turbo Cabrio
B3 Bi-Turbo Convertible
4222 lb
Curb Weight
4068 lb
5071 lb
Gross Vehicle
Weight
4850 lb
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19)
Weight Difference:
154 lb
3.65 %
ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)

General

B4 S Bi-Turbo Cabrio
B3 Bi-Turbo Convertible
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

B4 S Bi-Turbo Cabrio
B3 Bi-Turbo Convertible
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
N55-B30
Engine Code
N54-K20
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
434 hp
at 5500 rpm
Power
355 hp
at 5500 rpm
B4 S Bi-Turbo Cabrio
434 hp
355 hp
B3 Bi-Turbo Convertible
487 lb‑ft
at 3000 rpm
Max. Torque
369 lb‑ft
at 3800 rpm
B4 S Bi-Turbo Cabrio
487 lb‑ft
369 lb‑ft
B3 Bi-Turbo Convertible

Performance

B4 S Bi-Turbo Cabrio
B3 Bi-Turbo Convertible
189 mph
Maximum Speed
174 mph
4.3 sec
Acceleration 0 to 62 mph
5 sec
62 mph 62
mph

197 ft
0.000 sec

B4 S Bi-Turbo Cabrio

62 mph 62
mph

226 ft
0.000 sec

B3 Bi-Turbo Convertible

▶ REPLAY
9.73 lb/hp
Weight-to-Power Ratio
11.46 lb/hp
B4 S Bi-Turbo Cabrio
9.73 lb/hp
11.46 lb/hp
B3 Bi-Turbo Convertible

Fuel Economy / Emissions

B4 S Bi-Turbo Cabrio
B3 Bi-Turbo Convertible
Fuel Economy
26 mpg
combined
24 mpg
B4 S Bi-Turbo Cabrio
26 mpg
24 mpg
B3 Bi-Turbo Convertible
19 mpg
city
17 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
409 mi
Range
403 mi
B4 S Bi-Turbo Cabrio
409 mi
403 mi
B3 Bi-Turbo Convertible
Environmental Impact
172.4 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).
183.8 kWh
B4 S Bi-Turbo Cabrio
172.4 kWh
183.8 kWh
B3 Bi-Turbo Convertible
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 4
333 g/mi (NEFZ)
CO2 Emissions
381 g/mi (NEFZ)

Practical Convenience

B4 S Bi-Turbo Cabrio
B3 Bi-Turbo Convertible
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data