The Comparative Analysis :

ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. ALPINA B3 S Convertible Switch-Tronic (03 - 06)

€ 75,900
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) B4 Bi-Turbo Cabrio
€ 58,200
 ALPINA B3 S Convertible Switch-Tronic (03 - 06) B3 S Cabrio
€ 75,900
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 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 Bi-Turbo Cabrio
B3 S Cabrio
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
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 Bi-Turbo Convertible Switch-Tronic (14 - 17)
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 Bi-Turbo Cabrio
B3 S Cabrio
4222 lb
Curb Weight
3627 lb
5071 lb
Gross Vehicle
Weight
4553 lb
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
Weight Difference:
595 lb
14.09 %
ALPINA B3 S Convertible Switch-Tronic (03 - 06)

General

B4 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 Bi-Turbo Cabrio
B3 S Cabrio
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
N55-R20
Engine Code
E5/1
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.3 L / 161 cu in
404 hp
at 5500 rpm
Power
301 hp
at 6300 rpm
B4 Bi-Turbo Cabrio
404 hp
301 hp
B3 S Cabrio
443 lb‑ft
at 3000 rpm
Max. Torque
267 lb‑ft
at 4500 rpm
B4 Bi-Turbo Cabrio
443 lb‑ft
267 lb‑ft
B3 S Cabrio

Performance

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

207 ft
0.000 sec

B4 Bi-Turbo Cabrio

62 mph 62
mph

302 ft
0.000 sec

B3 S Cabrio

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

Fuel Economy / Emissions

B4 Bi-Turbo Cabrio
B3 S Cabrio
Fuel Economy
29 mpg
combined
20 mpg
B4 Bi-Turbo Cabrio
29 mpg
20 mpg
B3 S Cabrio
22 mpg
city
13 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
466 mi
Range
332 mi
B4 Bi-Turbo Cabrio
466 mi
332 mi
B3 S 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).
223.5 kWh
B4 Bi-Turbo Cabrio
151.6 kWh
223.5 kWh
B3 S Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 3
299 g/mi (NEFZ)
CO2 Emissions
455 g/mi (NEFZ)

Practical Convenience

B4 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