The Comparative Analysis :
BMW M340i xDrive Steptronic (19 - ..) vs. BMW 318i Automatic (07 - 08)
€ 62,000
€ 29,500
€ 62,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 29,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The M340i is considerably bigger in every dimension. It's 7.6 inches longer, 0.4 inches wider and 0.7 inches taller than the 318i.
M340i
318i
56.7
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
56.7 in
Height
55.9 in
112.2
185.6
108.7
178
185.6 in
Length
178 in
112.2 in
Wheelbase
108.7 in
Vehicle Weight
M340i
318i
3847 lb
Curb Weight
3230 lb
4949 lb
Gross Vehicle
Weight
Weight
4211 lb
Weight Difference:
617 lb
16.04 %
General
M340i
318i
G20
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
M340i
318i
Straight-six gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW B58
Engine Series
BMW N43
B58-B30
Engine Code
N43-B20


4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
369 hp
at 5500 rpm
Power
141 hp
at 6000 rpm
M340i
369 hp
141 hp
318i
369 lb‑ft
at 1850 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
M340i
369 lb‑ft
140 lb‑ft
318i
Performance
M340i
318i
155 mph
Maximum Speed
130 mph
4.4 sec
Acceleration 0 to 62 mph
9.9 sec
62 mph
62
mph
mph
200 ft
0.000 sec
M340i
62 mph
62
mph
mph
453 ft
0.000 sec
318i
▶ REPLAY
10.43 lb/hp
Weight-to-Power Ratio
22.91 lb/hp
M340i
10.43 lb/hp
22.91 lb/hp
318i
Fuel Economy / Emissions
M340i
318i
Fuel Economy
34 mpg
combined
37 mpg
M340i
34 mpg
37 mpg
318i
26 mpg
city
28 mpg
No data
highway
No data
15.6 gal
Fuel Tank Capacity
16.6 gal
524 mi
Range
611 mi
M340i
524 mi
611 mi
318i
Environmental Impact
132.6 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).
121.2 kWh
M340i
132.6 kWh
121.2 kWh
318i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
291 g/mi (WLTP)
CO2 Emissions
245 g/mi (NEFZ)
Practical Convenience
M340i
318i
4
Doors
4
5
No. of Seats
5
1102 lb
Maximum Payload
981 lb
13.6 cu ft
Trunk Volume
13 cu ft










No data
Cargo Volume (Seats Down)
No data



















