The Comparative Analysis :
BMW M3 (08 - 11) vs. BMW 320si (06 - 07)
€ 66,000
€ 33,000
€ 66,000
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 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
320si
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
320si
3704 lb
Curb Weight
3075 lb
4740 lb
Gross Vehicle
Weight
Weight
4057 lb
Weight Difference:
628 lb
16.96 %
General
M3
320si
E90
Generation
E90
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
M3
320si
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW S65
Engine Series
BMW N45
S65-B40
Engine Code
N45-B20

4
Valves
4
8
Cylinders
4
4 L / 196 cu in
Displacement
2 L / 98 cu in
414 hp
at 8300 rpm
Power
171 hp
at 7000 rpm
M3
414 hp
171 hp
320si
295 lb‑ft
at 3900 rpm
Max. Torque
148 lb‑ft
at 4250 rpm
M3
295 lb‑ft
148 lb‑ft
320si
Performance
M3
320si
155 mph
Maximum Speed
140 mph
4.9 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
223 ft
0.000 sec
M3
62 mph
62
mph
mph
371 ft
0.000 sec
320si
▶ REPLAY
8.95 lb/hp
Weight-to-Power Ratio
17.98 lb/hp
M3
8.95 lb/hp
17.98 lb/hp
320si
Fuel Economy / Emissions
M3
320si
Fuel Economy
19 mpg
combined
26 mpg
M3
19 mpg
26 mpg
320si
13 mpg
city
18 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
316 mi
Range
440 mi
M3
316 mi
440 mi
320si
Environmental Impact
235 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
M3
235 kWh
168.7 kWh
320si
Euro 4
Emission Standard
Euro 4
475 g/mi (NEFZ)
CO2 Emissions
344 g/mi (NEFZ)
Practical Convenience
M3
320si
4
Doors
4
5
No. of Seats
5
1036 lb
Maximum Payload
981 lb
12.7 cu ft
Trunk Volume
13 cu ft









No data
Cargo Volume (Seats Down)
No data














