The Comparative Analysis :
BMW 318d Steptronic (19 - ..) vs. BMW 320si (06 - 07)
€ 40,000
€ 33,000
€ 40,000
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
The 318d is considerably bigger in every dimension. It's 18.9 cm longer, 1 cm wider and 1.4 cm taller than the 320si.
318d
320si
1435
1827
2068
1421
1817
1989
1827 mm
Width
1817 mm
2068 mm
Width Incl. Mirrors
1989 mm
1435 mm
Height
1421 mm
2851
4709
2760
4520
4709 mm
Length
4520 mm
2851 mm
Wheelbase
2760 mm
Vehicle Weight
318d
320si
1530 kg
Kerb Weight
1395 kg
2085 kg
Gross Vehicle
Weight
Weight
1840 kg
Weight Difference:
135 kg
8.82 %
General
318d
320si
G20
Generation
E90
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
318d
320si
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four petrol engine (naturally aspirated engine)
BMW B47
Engine Series
BMW N45
B47-D20
Engine Code
N45-B20
4
Valves
4
4
Cylinders
4
1995 CC
Engine Capacity
1997 CC
148 bhp
at 3750 rpm
Power
171 bhp
at 7000 rpm
318d
148 bhp
171 bhp
320si
320 NM
at 1500 rpm
Max. Torque
200 NM
at 4250 rpm
318d
320 NM
200 NM
320si
Performance
318d
320si
139 mph
Maximum Speed
140 mph
8.3 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
115 m
0.000 sec
318d
62 mph
62
mph
mph
113 m
0.000 sec
320si
▶ REPLAY
10.34 kg/bhp
Weight-to-Power Ratio
8.16 kg/bhp
318d
10.34 kg/bhp
8.16 kg/bhp
320si
Fuel Economy / Emissions
318d
320si
Fuel Economy
67 mpg
combined
32 mpg
318d
67 mpg
32 mpg
320si
60 mpg
city
22 mpg
No data
motorway
No data
40 L
Fuel Tank Capacity
63 L
592 mi
Range
440 mi
318d
592 mi
440 mi
320si
Environmental Impact
86.4 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).
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
86.4 kWh
168.7 kWh
320si
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
131 g/km (WLTP)
CO2 Emissions
214 g/km (NEFZ)
Practical Convenience
318d
320si
4
Doors
4
5
No. of Seats
5
555 kg
Maximum Payload
445 kg
480 L
Boot Capacity
460 L
No data
Boot Capacity (Seats Down)
No data
