The Comparative Analysis :
BMW 318d (19 - ..) vs. BMW 320si (06 - 07)
€ 37,900
€ 33,000
€ 37,900
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 318d is considerably bigger in every dimension. It's 7.4 inches longer, 0.4 inches wider and 0.6 inches taller than the 320si.
318d
320si
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
318d
320si
3351 lb
Curb Weight
3075 lb
4575 lb
Gross Vehicle
Weight
Weight
4057 lb
Weight Difference:
276 lb
8.24 %
General
318d
320si
G20
Generation
E90
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
318d
320si
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW B47
Engine Series
BMW N45
B47-D20
Engine Code
N45-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
148 hp
at 3750 rpm
Power
171 hp
at 7000 rpm
318d
148 hp
171 hp
320si
236 lb‑ft
at 1500 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
318d
236 lb‑ft
148 lb‑ft
320si
Performance
318d
320si
140 mph
Maximum Speed
140 mph
8.4 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
384 ft
0.000 sec
318d
62 mph
62
mph
mph
371 ft
0.000 sec
320si
▶ REPLAY
22.64 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
318d
22.64 lb/hp
17.98 lb/hp
320si
Fuel Economy / Emissions
318d
320si
Fuel Economy
55 mpg
combined
26 mpg
318d
55 mpg
26 mpg
320si
45 mpg
city
18 mpg
No data
highway
No data
10.6 gal
Fuel Tank Capacity
16.6 gal
578 mi
Range
440 mi
318d
578 mi
440 mi
320si
Environmental Impact
88.5 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
318d
88.5 kWh
168.7 kWh
320si
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
198 g/mi (WLTP)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
318d
320si
4
Doors
4
5
No. of Seats
5
1224 lb
Maximum Payload
981 lb
13.6 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data
