The Comparative Analysis :
BMW 320d Steptronic (19 - ..) vs. BMW 318d (19 - ..)
€ 42,600
€ 37,900
€ 42,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 37,900
ⓘ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 length and width, but the 320d is 0.3 inches taller.
320d
318d
56.8
71.9
81.4
56.5
71.9
81.4
71.9 in
Width
71.9 in
81.4 in
Width Incl. Mirrors
81.4 in
56.8 in
Height
56.5 in
112.2
185.4
112.2
185.4
185.4 in
Length
185.4 in
112.2 in
Wheelbase
112.2 in
Vehicle Weight
320d
318d
3373 lb
Curb Weight
3351 lb
4597 lb
Gross Vehicle
Weight
Weight
4575 lb
Weight Difference:
22 lb
0.65 %
General
320d
318d
G20
Generation
G20
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
320d
318d
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
BMW B47
Engine Series
BMW B47
B47-D20
Engine Code
B47-D20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
187 hp
at 4000 rpm
Power
148 hp
at 3750 rpm
320d
187 hp
148 hp
318d
295 lb‑ft
at 1750 rpm
Max. Torque
236 lb‑ft
at 1500 rpm
320d
295 lb‑ft
236 lb‑ft
318d
Performance
320d
318d
149 mph
Maximum Speed
140 mph
6.8 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph
62
mph
mph
308 ft
0.000 sec
320d
62 mph
62
mph
mph
384 ft
0.000 sec
318d
▶ REPLAY
18.04 lb/hp
Weight-to-Power Ratio
22.64 lb/hp
320d
18.04 lb/hp
22.64 lb/hp
318d
Fuel Economy / Emissions
320d
318d
Fuel Economy
56 mpg
combined
55 mpg
320d
56 mpg
55 mpg
318d
50 mpg
city
45 mpg
No data
highway
No data
10.6 gal
Fuel Tank Capacity
10.6 gal
592 mi
Range
578 mi
320d
592 mi
578 mi
318d
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).
88.5 kWh
320d
86.4 kWh
88.5 kWh
318d
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
214 g/mi (WLTP)
CO2 Emissions
198 g/mi (WLTP)
Practical Convenience
320d
318d
4
Doors
4
5
No. of Seats
5
1224 lb
Maximum Payload
1224 lb
13.6 cu ft
Trunk Volume
13.6 cu ft










No data
Cargo Volume (Seats Down)
No data
















