The Comparative Analysis :
BMW 325i Automatic (07 - 08) vs. BMW 320si (06 - 07)
€ 36,800
€ 33,000
€ 36,800
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
The dimensions of the 325i and the 320si are absolutely identical. Both are 178 inches long, 71.5 inches wide and 55.9 inches tall.
325i
320si
55.9
71.5
78.3
55.9
71.5
78.3
71.5 in
Width
71.5 in
78.3 in
Width Incl. Mirrors
78.3 in
55.9 in
Height
55.9 in
108.7
178
108.7
178
178 in
Length
178 in
108.7 in
Wheelbase
108.7 in
Vehicle Weight
325i
320si
3384 lb
Curb Weight
3075 lb
4365 lb
Gross Vehicle
Weight
Weight
4057 lb
Weight Difference:
309 lb
9.13 %
General
325i
320si
E90
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
325i
320si
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW N53
Engine Series
BMW N45
N53-B30
Engine Code
N45-B20


4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
215 hp
at 6100 rpm
Power
171 hp
at 7000 rpm
325i
215 hp
171 hp
320si
199 lb‑ft
at 2400 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
325i
199 lb‑ft
148 lb‑ft
320si
Performance
325i
320si
154 mph
Maximum Speed
140 mph
7.1 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
325 ft
0.000 sec
325i
62 mph
62
mph
mph
371 ft
0.000 sec
320si
▶ REPLAY
15.74 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
325i
15.74 lb/hp
17.98 lb/hp
320si
Fuel Economy / Emissions
325i
320si
Fuel Economy
33 mpg
combined
26 mpg
325i
33 mpg
26 mpg
320si
24 mpg
city
18 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
551 mi
Range
440 mi
325i
551 mi
440 mi
320si
Environmental Impact
134.5 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
325i
134.5 kWh
168.7 kWh
320si
Euro 4
Emission Standard
Euro 4
274 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
325i
320si
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



















