The Comparative Analysis :

ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)

€ 75,900
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) B4 Bi-Turbo Cabrio
€ 70,600
 ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13) B3 S Bi-Turbo Convertible
€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,600

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

Vehicle Dimensions

The dimensions of these vehicles differ a little. The B4 Bi-Turbo Cabrio is 0.7 inches longer, 1.7 inches wider and 0.2 inches lower than the B3 S Bi-Turbo Convertible.
B4 Bi-Turbo Cabrio
B3 S Bi-Turbo Convertible
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
71.9
79.7
54.5
Blueprint ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)
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 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
Blueprint ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)
108.7
182
182.7 in
Length
182 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

B4 Bi-Turbo Cabrio
B3 S Bi-Turbo Convertible
4222 lb
Curb Weight
4068 lb
5071 lb
Gross Vehicle
Weight
4806 lb
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
Weight Difference:
154 lb
3.65 %
ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)

General

B4 Bi-Turbo Cabrio
B3 S 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 Bi-Turbo Cabrio
B3 S Bi-Turbo Convertible
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
N55-R20
Engine Code
N54-K30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
404 hp
at 5500 rpm
Power
395 hp
at 6000 rpm
B4 Bi-Turbo Cabrio
404 hp
395 hp
B3 S Bi-Turbo Convertible
443 lb‑ft
at 3000 rpm
Max. Torque
398 lb‑ft
at 4500 rpm
B4 Bi-Turbo Cabrio
443 lb‑ft
398 lb‑ft
B3 S Bi-Turbo Convertible

Performance

B4 Bi-Turbo Cabrio
B3 S Bi-Turbo Convertible
187 mph
Maximum Speed
185 mph
4.5 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

207 ft
0.000 sec

B4 Bi-Turbo Cabrio

62 mph 62
mph

223 ft
0.000 sec

B3 S Bi-Turbo Convertible

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

Fuel Economy / Emissions

B4 Bi-Turbo Cabrio
B3 S Bi-Turbo Convertible
Fuel Economy
29 mpg
combined
24 mpg
B4 Bi-Turbo Cabrio
29 mpg
24 mpg
B3 S Bi-Turbo Convertible
22 mpg
city
17 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
466 mi
Range
403 mi
B4 Bi-Turbo Cabrio
466 mi
403 mi
B3 S Bi-Turbo Convertible
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).
183.8 kWh
B4 Bi-Turbo Cabrio
151.6 kWh
183.8 kWh
B3 S Bi-Turbo Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 5
299 g/mi (NEFZ)
CO2 Emissions
362 g/mi (NEFZ)

Practical Convenience

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