The Comparative Analysis :

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

€ 46,100
BMW 320d Convertible DPF Automatic (08 - 08) BMW 320d Convertible DPF
€ 75,900
 ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Cabrio
€ 46,100
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 slightly. The BMW 320d Convertible DPF is 2.4 inches shorter, 1.7 inches narrower and 0.2 inches taller than the ALPINA B4 Bi-Turbo Cabrio.
BMW 320d Convertible DPF
ALPINA B4 Bi-Turbo Cabrio
54.5
Blueprint BMW 320d Convertible DPF Automatic (08 - 08)
70.2
78.1
54.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
71.9
79.7
70.2 in
Width
71.9 in
78.1 in
Width Incl. Mirrors
79.7 in
54.5 in
Height
54.3 in
Blueprint BMW 320d Convertible DPF Automatic (08 - 08)
108.7
180.3
Blueprint ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17)
110.6
182.7
180.3 in
Length
182.7 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

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

General

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

Engine

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

Performance

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

397 ft
0.000 sec

BMW 320d Convertible DPF

62 mph 62
mph

207 ft
0.000 sec

ALPINA B4 Bi-Turbo Cabrio

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

Fuel Economy / Emissions

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

Practical Convenience

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