The Comparative Analysis :
BMW 320i Automatic (05 - 07) vs. ALPINA B3 Bi-Turbo Switch-Tronic (07 - 08)
€ 31,000

€ 57,900

€ 31,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 57,900
ⓘ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 length and width, but the BMW 320i is 0 inches lower.
BMW 320i
ALPINA B3 Bi-Turbo
55.9
71.5
78.3
56
71.5
79.3
71.5 in
Width
71.5 in
78.3 in
Width Incl. Mirrors
79.3 in
55.9 in
Height
56 in
108.7
178
108.7
178
178 in
Length
178 in
108.7 in
Wheelbase
108.7 in
Vehicle Weight
BMW 320i
ALPINA B3 Bi-Turbo
3142 lb
Curb Weight
3627 lb
4123 lb
Gross Vehicle
Weight
Weight
4608 lb

Weight Difference:
485 lb
13.37 %

General
BMW 320i
ALPINA B3 Bi-Turbo
E90
Generation
E90
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 320i
ALPINA B3 Bi-Turbo
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW N46
Engine Series
N46-B20
Engine Code
N54-K20

4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
148 hp
at 6200 rpm
Power
355 hp
at 5500 rpm
BMW 320i
148 hp
355 hp
ALPINA B3 Bi-Turbo
148 lb‑ft
at 3600 rpm
Max. Torque
369 lb‑ft
at 3800 rpm
BMW 320i
148 lb‑ft
369 lb‑ft
ALPINA B3 Bi-Turbo
Performance
BMW 320i
ALPINA B3 Bi-Turbo
134 mph
Maximum Speed
177 mph
9.7 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
443 ft
0.000 sec

BMW 320i
62 mph
62
mph
mph
220 ft
0.000 sec

ALPINA B3 Bi-Turbo
▶ REPLAY
21.23 lb/hp
Weight-to-Power Ratio
10.22 lb/hp
BMW 320i
21.23 lb/hp
10.22 lb/hp
ALPINA B3 Bi-Turbo
Fuel Economy / Emissions
BMW 320i
ALPINA B3 Bi-Turbo
Fuel Economy
30 mpg
combined
24 mpg
BMW 320i
30 mpg
24 mpg
ALPINA B3 Bi-Turbo
21 mpg
city
17 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
495 mi
Range
400 mi
BMW 320i
495 mi
400 mi
ALPINA B3 Bi-Turbo
Environmental Impact
149.7 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).
185.7 kWh
BMW 320i
149.7 kWh
185.7 kWh
ALPINA B3 Bi-Turbo
Euro 4
Emission Standard
Euro 4
306 g/mi (NEFZ)
CO2 Emissions
377 g/mi (NEFZ)
Practical Convenience
BMW 320i
ALPINA B3 Bi-Turbo
4
Doors
4
5
No. of Seats
5
981 lb
Maximum Payload
981 lb
13 cu ft
Trunk Volume
13 cu ft










No data
Cargo Volume (Seats Down)
No data