The Comparative Analysis :
BMW 320d Convertible DPF Automatic (08 - 08) vs. ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13)
€ 46,100

€ 70,600

€ 46,100
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
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width and height, but the BMW 320d Convertible DPF is 1.7 inches shorter.
BMW 320d Convertible DPF
ALPINA B3 S Bi-Turbo Convertible
54.5
70.2
78.1
54.5
70.2
78
70.2 in
Width
70.2 in
78.1 in
Width Incl. Mirrors
78 in
54.5 in
Height
54.5 in
108.7
180.3
108.7
182
180.3 in
Length
182 in
108.7 in
Wheelbase
108.7 in
Vehicle Weight
BMW 320d Convertible DPF
ALPINA B3 S Bi-Turbo Convertible
3847 lb
Curb Weight
4068 lb
4630 lb
Gross Vehicle
Weight
Weight
4806 lb

Weight Difference:
220 lb
5.41 %

General
BMW 320d Convertible DPF
ALPINA B3 S Bi-Turbo Convertible
E93
Generation
E93
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 320d Convertible DPF
ALPINA B3 S Bi-Turbo Convertible
Straight-four diesel engine with turbocharger
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW N47
Engine Series
N47-D20
Engine Code
N54-K30

4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
175 hp
at 4000 rpm
Power
395 hp
at 6000 rpm
BMW 320d Convertible DPF
175 hp
395 hp
ALPINA B3 S Bi-Turbo Convertible
258 lb‑ft
at 2000 rpm
Max. Torque
398 lb‑ft
at 4500 rpm
BMW 320d Convertible DPF
258 lb‑ft
398 lb‑ft
ALPINA B3 S Bi-Turbo Convertible
Performance
BMW 320d Convertible DPF
ALPINA B3 S Bi-Turbo Convertible
139 mph
Maximum Speed
185 mph
8.7 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
397 ft
0.000 sec

BMW 320d Convertible DPF
62 mph
62
mph
mph
223 ft
0.000 sec

ALPINA B3 S Bi-Turbo Convertible
▶ REPLAY
21.98 lb/hp
Weight-to-Power Ratio
10.3 lb/hp
BMW 320d Convertible DPF
21.98 lb/hp
10.3 lb/hp
ALPINA B3 S Bi-Turbo Convertible
Fuel Economy / Emissions
BMW 320d Convertible DPF
ALPINA B3 S Bi-Turbo Convertible
Fuel Economy
41 mpg
combined
24 mpg
BMW 320d Convertible DPF
41 mpg
24 mpg
ALPINA B3 S Bi-Turbo Convertible
31 mpg
city
17 mpg
No data
highway
No data
16.1 gal
Fuel Tank Capacity
16.6 gal
654 mi
Range
403 mi
BMW 320d Convertible DPF
654 mi
403 mi
ALPINA B3 S Bi-Turbo Convertible
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).
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
BMW 320d Convertible DPF
119.3 kWh
183.8 kWh
ALPINA B3 S Bi-Turbo Convertible
Euro 4
Emission Standard
Euro 5
246 g/mi (NEFZ)
CO2 Emissions
362 g/mi (NEFZ)
Practical Convenience
BMW 320d Convertible DPF
ALPINA B3 S Bi-Turbo Convertible
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
739 lb
9.9 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data