The Comparative Analysis :

ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) vs. ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)

€ 67,800
ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) B3 Bi-Turbo Convertible
€ 96,100
 ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19) B4 S Bi-Turbo Cabrio
€ 67,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 96,100

ⓘ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 B3 Bi-Turbo Convertible is 2.4 inches shorter, 1.7 inches narrower and 0.2 inches taller than the B4 S Bi-Turbo Cabrio.
B3 Bi-Turbo Convertible
B4 S Bi-Turbo Cabrio
54.5
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
70.2
78
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
71.9
79.7
70.2 in
Width
71.9 in
78 in
Width Incl. Mirrors
79.7 in
54.5 in
Height
54.3 in
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
108.7
180.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
110.6
182.7
180.3 in
Length
182.7 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

B3 Bi-Turbo Convertible
B4 S Bi-Turbo Cabrio
4068 lb
Curb Weight
4222 lb
4850 lb
Gross Vehicle
Weight
5071 lb
ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
Weight Difference:
154 lb
3.65 %
ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)

General

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

Engine

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

Performance

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

226 ft
0.000 sec

B3 Bi-Turbo Convertible

62 mph 62
mph

197 ft
0.000 sec

B4 S Bi-Turbo Cabrio

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

Fuel Economy / Emissions

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

Practical Convenience

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