The Comparative Analysis :
BMW 318i Automatic (05 - 07) vs. BMW M3 M DKG (14 - 18)
€ 28,900
€ 75,700
€ 28,900
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 318i is considerably smaller in every dimension. It's 5.9 inches shorter, 2.4 inches narrower and 0.1 inches lower than the M3.
318i
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
318i
M3
3230 lb
Curb Weight
3605 lb
4211 lb
Gross Vehicle
Weight
Weight
4630 lb
Weight Difference:
375 lb
10.4 %
General
318i
M3
E90
Generation
F80
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
318i
M3
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW N46
Engine Series
BMW S55
N46-B20
Engine Code
S55-B30

4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
127 hp
at 5750 rpm
Power
425 hp
at 5500 rpm
318i
127 hp
425 hp
M3
133 lb‑ft
at 3250 rpm
Max. Torque
406 lb‑ft
at 1850 rpm
318i
133 lb‑ft
406 lb‑ft
M3
Performance
318i
M3
128 mph
Maximum Speed
155 mph
11 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph
62
mph
mph
502 ft
0.000 sec
318i
62 mph
62
mph
mph
187 ft
0.000 sec
M3
▶ REPLAY
25.43 lb/hp
Weight-to-Power Ratio
8.48 lb/hp
318i
25.43 lb/hp
8.48 lb/hp
M3
Fuel Economy / Emissions
318i
M3
Fuel Economy
30 mpg
combined
28 mpg
318i
30 mpg
28 mpg
M3
21 mpg
city
21 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
495 mi
Range
449 mi
318i
495 mi
449 mi
M3
Environmental Impact
149.7 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
318i
149.7 kWh
157.2 kWh
M3
Euro 4
Emission Standard
Euro 6b (NEFZ)
306 g/mi (NEFZ)
CO2 Emissions
312 g/mi (NEFZ)
Practical Convenience
318i
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

















