The Comparative Analysis :

ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. BMW 320d Convertible DPF Automatic (08 - 08)

€ 75,900
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 46,100
 BMW 320d Convertible DPF Automatic (08 - 08) BMW 320d Convertible DPF
€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,100

ⓘ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 ALPINA B4 Bi-Turbo Cabrio is 2.4 inches longer, 1.7 inches wider and 0.2 inches lower than the BMW 320d Convertible DPF.
ALPINA B4 Bi-Turbo Cabrio
BMW 320d Convertible DPF
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
71.9
79.7
54.5
Blueprint BMW 320d Convertible DPF Automatic (08 - 08)
70.2
78.1
71.9 in
Width
70.2 in
79.7 in
Width Incl. Mirrors
78.1 in
54.3 in
Height
54.5 in
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
Blueprint BMW 320d Convertible DPF Automatic (08 - 08)
108.7
180.3
182.7 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

ALPINA B4 Bi-Turbo Cabrio
BMW 320d Convertible DPF
4222 lb
Curb Weight
3847 lb
5071 lb
Gross Vehicle
Weight
4630 lb
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
Weight Difference:
375 lb
8.88 %
BMW 320d Convertible DPF Automatic (08 - 08)

General

ALPINA B4 Bi-Turbo Cabrio
BMW 320d Convertible DPF
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

ALPINA B4 Bi-Turbo Cabrio
BMW 320d Convertible DPF
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four diesel engine with tur­bo­charger
Engine Series
BMW N47
N55-R20
Engine Code
N47-D20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
404 hp
at 5500 rpm
Power
175 hp
at 4000 rpm
ALPINA B4 Bi-Turbo Cabrio
404 hp
175 hp
BMW 320d Convertible DPF
443 lb‑ft
at 3000 rpm
Max. Torque
258 lb‑ft
at 2000 rpm
ALPINA B4 Bi-Turbo Cabrio
443 lb‑ft
258 lb‑ft
BMW 320d Convertible DPF

Performance

ALPINA B4 Bi-Turbo Cabrio
BMW 320d Convertible DPF
187 mph
Maximum Speed
139 mph
4.5 sec
Acceleration 0 to 62 mph
8.7 sec
62 mph 62
mph

207 ft
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

62 mph 62
mph

397 ft
0.000 sec

BMW 320d Convertible DPF

▶ REPLAY
10.45 lb/hp
Weight-to-Power Ratio
21.98 lb/hp
ALPINA B4 Bi-Turbo Cabrio
10.45 lb/hp
21.98 lb/hp
BMW 320d Convertible DPF

Fuel Economy / Emissions

ALPINA B4 Bi-Turbo Cabrio
BMW 320d Convertible DPF
Fuel Economy
29 mpg
combined
41 mpg
ALPINA B4 Bi-Turbo Cabrio
29 mpg
41 mpg
BMW 320d Convertible DPF
22 mpg
city
31 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.1 gal
Kraftstoffanzeige
466 mi
Range
654 mi
ALPINA B4 Bi-Turbo Cabrio
466 mi
654 mi
BMW 320d Convertible DPF
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).
119.3 kWh
ALPINA B4 Bi-Turbo Cabrio
151.6 kWh
119.3 kWh
BMW 320d Convertible DPF
Euro 6b (NEFZ)
Emission Standard
Euro 4
299 g/mi (NEFZ)
CO2 Emissions
246 g/mi (NEFZ)

Practical Convenience

ALPINA B4 Bi-Turbo Cabrio
BMW 320d Convertible DPF
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data