The Comparative Analysis :
BMW 320si (06 - 07) vs. BMW M3 M DKG (14 - 18)
€ 33,000
€ 75,700
€ 33,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 75,700
ⓘ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 5.9 inches shorter, 2.4 inches narrower and 0.1 inches lower than the M3.
320si
M3
55.9
71.5
78.3
56.1
73.9
80.2
71.5 in
Width
73.9 in
78.3 in
Width Incl. Mirrors
80.2 in
55.9 in
Height
56.1 in
108.7
178
110.7
183.9
178 in
Length
183.9 in
108.7 in
Wheelbase
110.7 in
Vehicle Weight
320si
M3
3075 lb
Curb Weight
3605 lb
4057 lb
Gross Vehicle
Weight
Weight
4630 lb
Weight Difference:
529 lb
14.68 %
General
320si
M3
E90
Generation
F80
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
320si
M3
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW N45
Engine Series
BMW S55
N45-B20
Engine Code
S55-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
171 hp
at 7000 rpm
Power
425 hp
at 5500 rpm
320si
171 hp
425 hp
M3
148 lb‑ft
at 4250 rpm
Max. Torque
406 lb‑ft
at 1850 rpm
320si
148 lb‑ft
406 lb‑ft
M3
Performance
320si
M3
140 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph
62
mph
mph
371 ft
0.000 sec
320si
62 mph
62
mph
mph
187 ft
0.000 sec
M3
▶ REPLAY
17.98 lb/hp
Weight-to-Power Ratio
8.48 lb/hp
320si
17.98 lb/hp
8.48 lb/hp
M3
Fuel Economy / Emissions
320si
M3
Fuel Economy
26 mpg
combined
28 mpg
320si
26 mpg
28 mpg
M3
18 mpg
city
21 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
440 mi
Range
449 mi
320si
440 mi
449 mi
M3
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).
157.2 kWh
320si
168.7 kWh
157.2 kWh
M3
Euro 4
Emission Standard
Euro 6b (NEFZ)
344 g/mi (NEFZ)
CO2 Emissions
312 g/mi (NEFZ)
Practical Convenience
320si
M3
4
Doors
4
5
No. of Seats
5
981 lb
Maximum Payload
1025 lb
13 cu ft
Trunk Volume
13.6 cu ft
No data
Cargo Volume (Seats Down)
No data
