The Comparative Analysis :
BMW 318i (07 - 08) vs. BMW 320si (06 - 07)
€ 27,300
€ 33,000
€ 27,300
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 318i and the 320si are absolutely identical. Both are 178 inches long, 71.5 inches wide and 55.9 inches tall.
318i
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
318i
320si
3164 lb
Curb Weight
3075 lb
4145 lb
Gross Vehicle
Weight
Weight
4057 lb
Weight Difference:
88 lb
2.78 %
General
318i
320si
E90
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
318i
320si
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW N43
Engine Series
BMW N45
N43-B20
Engine Code
N45-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
141 hp
at 6000 rpm
Power
171 hp
at 7000 rpm
318i
141 hp
171 hp
320si
140 lb‑ft
at 4250 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
318i
140 lb‑ft
148 lb‑ft
320si
Performance
318i
320si
130 mph
Maximum Speed
140 mph
9.1 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
413 ft
0.000 sec
318i
62 mph
62
mph
mph
371 ft
0.000 sec
320si
▶ REPLAY
22.44 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
318i
22.44 lb/hp
17.98 lb/hp
320si
Fuel Economy / Emissions
318i
320si
Fuel Economy
40 mpg
combined
26 mpg
318i
40 mpg
26 mpg
320si
30 mpg
city
18 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
664 mi
Range
440 mi
318i
664 mi
440 mi
320si
Environmental Impact
111.8 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
318i
111.8 kWh
168.7 kWh
320si
Euro 4
Emission Standard
Euro 4
229 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
318i
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
