The Comparative Analysis :
BMW 320si (06 - 07) vs. BMW 318d Steptronic (19 - ..)
€ 33,000
€ 40,000
€ 33,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 40,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 320si is considerably smaller in every dimension. It's 7.4 inches shorter, 0.4 inches narrower and 0.6 inches lower than the 318d.
320si
318d
55.9
71.5
78.3
56.5
71.9
81.4
71.5 in
Width
71.9 in
78.3 in
Width Incl. Mirrors
81.4 in
55.9 in
Height
56.5 in
108.7
178
112.2
185.4
178 in
Length
185.4 in
108.7 in
Wheelbase
112.2 in
Vehicle Weight
320si
318d
3075 lb
Curb Weight
3373 lb
4057 lb
Gross Vehicle
Weight
Weight
4597 lb
Weight Difference:
298 lb
8.83 %
General
320si
318d
E90
Generation
G20
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
320si
318d
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
BMW N45
Engine Series
BMW B47
N45-B20
Engine Code
B47-D20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
171 hp
at 7000 rpm
Power
148 hp
at 3750 rpm
320si
171 hp
148 hp
318d
148 lb‑ft
at 4250 rpm
Max. Torque
236 lb‑ft
at 1500 rpm
320si
148 lb‑ft
236 lb‑ft
318d
Performance
320si
318d
140 mph
Maximum Speed
139 mph
8.1 sec
Acceleration 0 to 62 mph
8.3 sec
62 mph
62
mph
mph
371 ft
0.000 sec
320si
62 mph
62
mph
mph
377 ft
0.000 sec
318d
▶ REPLAY
17.98 lb/hp
Weight-to-Power Ratio
22.79 lb/hp
320si
17.98 lb/hp
22.79 lb/hp
318d
Fuel Economy / Emissions
320si
318d
Fuel Economy
26 mpg
combined
56 mpg
320si
26 mpg
56 mpg
318d
18 mpg
city
50 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
10.6 gal
440 mi
Range
592 mi
320si
440 mi
592 mi
318d
Environmental Impact
168.7 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).
86.4 kWh
320si
168.7 kWh
86.4 kWh
318d
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
344 g/mi (NEFZ)
CO2 Emissions
211 g/mi (WLTP)
Practical Convenience
320si
318d
4
Doors
4
5
No. of Seats
5
981 lb
Maximum Payload
1224 lb
13 cu ft
Trunk Volume
13.6 cu ft
No data
Cargo Volume (Seats Down)
No data
