The Comparative Analysis :

BMW 318i (08 - 11) vs. BMW 320si (06 - 07)

€ 29,000
BMW 318i (08 - 11) 318i
€ 33,000
BMW 320si (06 - 07) 320si
€ 29,000
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 and height, but the 318i is 0.4 inches longer.
318i
320si
55.9
Blueprint BMW 318i (08 - 11)
71.5
78.3
55.9
Blueprint BMW 320si (06 - 07)
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
Blueprint BMW 318i (08 - 11)
108.7
178.4
Blueprint BMW 320si (06 - 07)
108.7
178
178.4 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
4057 lb
BMW 318i (08 - 11)
Weight Difference:
88 lb
2.78 %
BMW 320si (06 - 07)

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

413 ft
0.000 sec

318i

62 mph 62
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
37 mpg
combined
26 mpg
318i
37 mpg
26 mpg
320si
29 mpg
city
18 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
621 mi
Range
440 mi
318i
621 mi
440 mi
320si
Environmental Impact
119.4 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
318i
119.4 kWh
168.7 kWh
320si
Euro 5
Emission Standard
Euro 4
235 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