The Comparative Analysis :

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

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

ⓘ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 B3 S Bi-Turbo Convertible is 0.7 inches shorter, 1.7 inches narrower and 0.2 inches taller than the B4 Bi-Turbo Cabrio.
B3 S Bi-Turbo Convertible
B4 Bi-Turbo Cabrio
54.5
Blueprint ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)
70.2
78
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
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 S Bi-Turbo Convertible Switch-Tronic (10 - 13)
108.7
182
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
182 in
Length
182.7 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

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

General

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

Performance

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

223 ft
0.000 sec

B3 S Bi-Turbo Convertible

62 mph 62
mph

207 ft
0.000 sec

B4 Bi-Turbo Cabrio

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

Fuel Economy / Emissions

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

Practical Convenience

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