The Comparative Analysis :
ALPINA B3 Bi-Turbo AWD Switch-Tronic (08 - 10) vs. BMW 320si (06 - 07)
€ 61,800
€ 33,000
€ 61,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 33,000
ⓘ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, but the ALPINA B3 Bi-Turbo is an inch longer and 0.6 inches taller.
ALPINA B3 Bi-Turbo
BMW 320si
56.6
71.5
79.3
55.9
71.5
78.3
71.5 in
Width
71.5 in
79.3 in
Width Incl. Mirrors
78.3 in
56.6 in
Height
55.9 in
108.7
178.9
108.7
178
178.9 in
Length
178 in
108.7 in
Wheelbase
108.7 in
Vehicle Weight
ALPINA B3 Bi-Turbo
BMW 320si
3869 lb
Curb Weight
3075 lb
4850 lb
Gross Vehicle
Weight
Weight
4057 lb
Weight Difference:
794 lb
20.52 %
General
ALPINA B3 Bi-Turbo
BMW 320si
E90
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
ALPINA B3 Bi-Turbo
BMW 320si
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
Engine Series
BMW N45
N54-K20
Engine Code
N45-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
355 hp
at 5500 rpm
Power
171 hp
at 7000 rpm
ALPINA B3 Bi-Turbo
355 hp
171 hp
BMW 320si
369 lb‑ft
at 3800 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
ALPINA B3 Bi-Turbo
369 lb‑ft
148 lb‑ft
BMW 320si
Performance
ALPINA B3 Bi-Turbo
BMW 320si
174 mph
Maximum Speed
140 mph
4.9 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
223 ft
0.000 sec
ALPINA B3 Bi-Turbo
62 mph
62
mph
mph
371 ft
0.000 sec
BMW 320si
▶ REPLAY
10.9 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
ALPINA B3 Bi-Turbo
10.9 lb/hp
17.98 lb/hp
BMW 320si
Fuel Economy / Emissions
ALPINA B3 Bi-Turbo
BMW 320si
Fuel Economy
23 mpg
combined
26 mpg
ALPINA B3 Bi-Turbo
23 mpg
26 mpg
BMW 320si
16 mpg
city
18 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
384 mi
Range
440 mi
ALPINA B3 Bi-Turbo
384 mi
440 mi
BMW 320si
Environmental Impact
193.3 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).
168.7 kWh
ALPINA B3 Bi-Turbo
193.3 kWh
168.7 kWh
BMW 320si
Euro 4
Emission Standard
Euro 4
393 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
ALPINA B3 Bi-Turbo
BMW 320si
4
Doors
4
5
No. of Seats
5
981 lb
Maximum Payload
981 lb
12.7 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data
