The Comparative Analysis :
BMW 320i Steptronic (19 - ..) vs. BMW 318i (05 - 07)
€ 40,000
€ 26,800
€ 40,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 26,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 320i is considerably bigger in every dimension. It's 7.4 inches longer, 0.4 inches wider and 0.6 inches taller than the 318i.
320i
318i
56.5
71.9
81.4
55.9
71.5
78.3
71.9 in
Width
71.5 in
81.4 in
Width Incl. Mirrors
78.3 in
56.5 in
Height
55.9 in
112.2
185.4
108.7
178
185.4 in
Length
178 in
112.2 in
Wheelbase
108.7 in
Vehicle Weight
320i
318i
3384 lb
Curb Weight
3164 lb
4519 lb
Gross Vehicle
Weight
Weight
4145 lb
Weight Difference:
220 lb
6.5 %
General
320i
318i
G20
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
320i
318i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW B48
Engine Series
BMW N46
B48-B20
Engine Code
N46-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
127 hp
at 5750 rpm
320i
181 hp
127 hp
318i
221 lb‑ft
at 1350 rpm
Max. Torque
133 lb‑ft
at 3250 rpm
320i
221 lb‑ft
133 lb‑ft
318i
Performance
320i
318i
146 mph
Maximum Speed
129 mph
7.1 sec
Acceleration 0 to 62 mph
10 sec
62 mph
62
mph
mph
325 ft
0.000 sec
320i
62 mph
62
mph
mph
456 ft
0.000 sec
318i
▶ REPLAY
18.7 lb/hp
Weight-to-Power Ratio
24.91 lb/hp
320i
18.7 lb/hp
24.91 lb/hp
318i
Fuel Economy / Emissions
320i
318i
Fuel Economy
43 mpg
combined
32 mpg
320i
43 mpg
32 mpg
318i
36 mpg
city
24 mpg
No data
highway
No data
15.6 gal
Fuel Tank Capacity
16.6 gal
667 mi
Range
536 mi
320i
667 mi
536 mi
318i
Environmental Impact
104.1 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).
138.2 kWh
320i
104.1 kWh
138.2 kWh
318i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
233 g/mi (WLTP)
CO2 Emissions
282 g/mi (NEFZ)
Practical Convenience
320i
318i
4
Doors
4
5
No. of Seats
5
1135 lb
Maximum Payload
981 lb
13.6 cu ft
Trunk Volume
13 cu ft










No data
Cargo Volume (Seats Down)
No data






















