The Comparative Analysis :

ALPINA B3 Bi-Turbo Switch-Tronic (13 - 15) vs. BMW 320si (06 - 07)

€ 67,900
ALPINA B3 Bi-Turbo Switch-Tronic (13 - 15) ALPINA B3 Bi-Turbo
€ 33,000
 BMW 320si (06 - 07) BMW 320si
€ 67,900
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

The dimensions of these vehicles differ slightly. The ALPINA B3 Bi-Turbo is 4.3 inches longer, 0.2 inches narrower and 0.5 inches lower than the BMW 320si.
ALPINA B3 Bi-Turbo
BMW 320si
55.5
Blueprint ALPINA B3 Bi-Turbo Switch-Tronic (13 - 15)
71.3
79.2
55.9
Blueprint BMW 320si (06 - 07)
71.5
78.3
71.3 in
Width
71.5 in
79.2 in
Width Incl. Mirrors
78.3 in
55.5 in
Height
55.9 in
Blueprint ALPINA B3 Bi-Turbo Switch-Tronic (13 - 15)
110.6
182.2
Blueprint BMW 320si (06 - 07)
108.7
178
182.2 in
Length
178 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

ALPINA B3 Bi-Turbo
BMW 320si
3715 lb
Curb Weight
3075 lb
4762 lb
Gross Vehicle
Weight
4057 lb
ALPINA B3 Bi-Turbo Switch-Tronic (13 - 15)
Weight Difference:
639 lb
17.2 %
BMW 320si (06 - 07)

General

ALPINA B3 Bi-Turbo
BMW 320si
F30
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-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
N55-R20
Engine Code
N45-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
404 hp
at 5500 rpm
Power
171 hp
at 7000 rpm
ALPINA B3 Bi-Turbo
404 hp
171 hp
BMW 320si
443 lb‑ft
at 3000 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
ALPINA B3 Bi-Turbo
443 lb‑ft
148 lb‑ft
BMW 320si

Performance

ALPINA B3 Bi-Turbo
BMW 320si
190 mph
Maximum Speed
140 mph
4.2 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph 62
mph

190 ft
0.000 sec

ALPINA B3 Bi-Turbo

62 mph 62
mph

371 ft
0.000 sec

BMW 320si

▶ REPLAY
9.2 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
ALPINA B3 Bi-Turbo
9.2 lb/hp
17.98 lb/hp
BMW 320si

Fuel Economy / Emissions

ALPINA B3 Bi-Turbo
BMW 320si
Fuel Economy
31 mpg
combined
26 mpg
ALPINA B3 Bi-Turbo
31 mpg
26 mpg
BMW 320si
23 mpg
city
18 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
490 mi
Range
440 mi
ALPINA B3 Bi-Turbo
490 mi
440 mi
BMW 320si
Environmental Impact
144 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).
168.7 kWh
ALPINA B3 Bi-Turbo
144 kWh
168.7 kWh
BMW 320si
Euro 6b (NEFZ)
Emission Standard
Euro 4
285 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
1047 lb
Maximum Payload
981 lb
13.6 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data