The Comparative Analysis :
BMW M3 M DKG (08 - 11) vs. BMW 320i Automatic (05 - 07)
€ 69,800

€ 31,000

€ 69,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 31,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. Both cars are the same width, but the M3 is 2.4 inches longer and an inch taller.
M3
320i
57
71.5
78.9
55.9
71.5
78.3
71.5 in
Width
71.5 in
78.9 in
Width Incl. Mirrors
78.3 in
57 in
Height
55.9 in
108.7
180.3
108.7
178
180.3 in
Length
178 in
108.7 in
Wheelbase
108.7 in
Vehicle Weight
M3
320i
3748 lb
Curb Weight
3142 lb
4740 lb
Gross Vehicle
Weight
Weight
4123 lb

Weight Difference:
606 lb
16.17 %

General
M3
320i
E90
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
6-speed automatic transmission
Engine
M3
320i
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW S65
Engine Series
BMW N46
S65-B40
Engine Code
N46-B20

4
Valves
4
8
Cylinders
4
4 L / 196 cu in
Displacement
2 L / 98 cu in
414 hp
at 8300 rpm
Power
148 hp
at 6200 rpm
M3
414 hp
148 hp
320i
295 lb‑ft
at 3900 rpm
Max. Torque
148 lb‑ft
at 3600 rpm
M3
295 lb‑ft
148 lb‑ft
320i
Performance
M3
320i
155 mph
Maximum Speed
134 mph
4.7 sec
Acceleration 0 to 62 mph
9.7 sec
62 mph
62
mph
mph
213 ft
0.000 sec

M3
62 mph
62
mph
mph
443 ft
0.000 sec

320i
▶ REPLAY
9.05 lb/hp
Weight-to-Power Ratio
21.23 lb/hp
M3
9.05 lb/hp
21.23 lb/hp
320i
Fuel Economy / Emissions
M3
320i
Fuel Economy
20 mpg
combined
30 mpg
M3
20 mpg
30 mpg
320i
14 mpg
city
21 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
329 mi
Range
495 mi
M3
329 mi
495 mi
320i
Environmental Impact
225.5 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).
149.7 kWh
M3
225.5 kWh
149.7 kWh
320i
Euro 4
Emission Standard
Euro 4
459 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
M3
320i
4
Doors
4
5
No. of Seats
5
992 lb
Maximum Payload
981 lb
12.7 cu ft
Trunk Volume
13 cu ft









No data
Cargo Volume (Seats Down)
No data