The Comparative Analysis :

ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19) vs. ALPINA B3 S Convertible Switch-Tronic (03 - 06)

€ 96,100
ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19) B4 S Bi-Turbo Cabrio
€ 58,200
 ALPINA B3 S Convertible Switch-Tronic (03 - 06) B3 S Cabrio
€ 96,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 58,200

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

Vehicle Dimensions

The B4 S Bi-Turbo Cabrio is considerably bigger in every dimension. It's 6 inches longer, 2.7 inches wider and 1.1 inches taller than the B3 S Cabrio.
B4 S Bi-Turbo Cabrio
B3 S Cabrio
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
71.9
79.7
53.2
Blueprint ALPINA B3 S Convertible Switch-Tronic (03 - 06)
69.2
80.1
71.9 in
Width
69.2 in
79.7 in
Width Incl. Mirrors
80.1 in
54.3 in
Height
53.2 in
Blueprint ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
110.6
182.7
Blueprint ALPINA B3 S Convertible Switch-Tronic (03 - 06)
107.3
176.7
182.7 in
Length
176.7 in
110.6 in
Wheelbase
107.3 in

Vehicle Weight

B4 S Bi-Turbo Cabrio
B3 S Cabrio
4222 lb
Curb Weight
3627 lb
5071 lb
Gross Vehicle
Weight
4553 lb
ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19)
Weight Difference:
595 lb
14.09 %
ALPINA B3 S Convertible Switch-Tronic (03 - 06)

General

B4 S Bi-Turbo Cabrio
B3 S Cabrio
F33
Generation
E46
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
5-speed automatic transmission

Engine

B4 S Bi-Turbo Cabrio
B3 S Cabrio
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
N55-B30
Engine Code
E5/1
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.3 L / 161 cu in
446 hp
at 5500 rpm
Power
301 hp
at 6300 rpm
B4 S Bi-Turbo Cabrio
446 hp
301 hp
B3 S Cabrio
502 lb‑ft
at 3000 rpm
Max. Torque
267 lb‑ft
at 4500 rpm
B4 S Bi-Turbo Cabrio
502 lb‑ft
267 lb‑ft
B3 S Cabrio

Performance

B4 S Bi-Turbo Cabrio
B3 S Cabrio
189 mph
Maximum Speed
161 mph
4.3 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph 62
mph

197 ft
0.000 sec

B4 S Bi-Turbo Cabrio

62 mph 62
mph

302 ft
0.000 sec

B3 S Cabrio

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

Fuel Economy / Emissions

B4 S Bi-Turbo Cabrio
B3 S Cabrio
Fuel Economy
26 mpg
combined
20 mpg
B4 S Bi-Turbo Cabrio
26 mpg
20 mpg
B3 S Cabrio
19 mpg
city
13 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
409 mi
Range
332 mi
B4 S Bi-Turbo Cabrio
409 mi
332 mi
B3 S Cabrio
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).
223.5 kWh
B4 S Bi-Turbo Cabrio
172.4 kWh
223.5 kWh
B3 S Cabrio
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 3
333 g/mi (NEFZ)
CO2 Emissions
455 g/mi (NEFZ)

Practical Convenience

B4 S Bi-Turbo Cabrio
B3 S Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
1102 lb
10.5 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data