The Comparative Analysis :
BMW 320si (06 - 07) vs. BMW M340i xDrive Steptronic (19 - ..)
€ 33,000
€ 62,000
€ 33,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 62,000
ⓘ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 7.6 inches shorter, 0.4 inches narrower and 0.7 inches lower than the M340i.
320si
M340i
55.9
71.5
78.3
56.7
71.9
81.4
71.5 in
Width
71.9 in
78.3 in
Width Incl. Mirrors
81.4 in
55.9 in
Height
56.7 in
108.7
178
112.2
185.6
178 in
Length
185.6 in
108.7 in
Wheelbase
112.2 in
Vehicle Weight
320si
M340i
3075 lb
Curb Weight
3847 lb
4057 lb
Gross Vehicle
Weight
Weight
4949 lb
Weight Difference:
772 lb
20.07 %
General
320si
M340i
E90
Generation
G20
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
320si
M340i
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with turbocharger
BMW N45
Engine Series
BMW B58
N45-B20
Engine Code
B58-B30


4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
171 hp
at 7000 rpm
Power
369 hp
at 5500 rpm
320si
171 hp
369 hp
M340i
148 lb‑ft
at 4250 rpm
Max. Torque
369 lb‑ft
at 1850 rpm
320si
148 lb‑ft
369 lb‑ft
M340i
Performance
320si
M340i
140 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
371 ft
0.000 sec
320si
62 mph
62
mph
mph
200 ft
0.000 sec
M340i
▶ REPLAY
17.98 lb/hp
Weight-to-Power Ratio
10.43 lb/hp
320si
17.98 lb/hp
10.43 lb/hp
M340i
Fuel Economy / Emissions
320si
M340i
Fuel Economy
26 mpg
combined
34 mpg
320si
26 mpg
34 mpg
M340i
18 mpg
city
26 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.6 gal
440 mi
Range
524 mi
320si
440 mi
524 mi
M340i
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).
132.6 kWh
320si
168.7 kWh
132.6 kWh
M340i
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
344 g/mi (NEFZ)
CO2 Emissions
291 g/mi (WLTP)
Practical Convenience
320si
M340i
4
Doors
4
5
No. of Seats
5
981 lb
Maximum Payload
1102 lb
13 cu ft
Trunk Volume
13.6 cu ft










No data
Cargo Volume (Seats Down)
No data



















