The Comparative Analysis :
BMW M3 Convertible (01 - 06) vs. BMW 318i Convertible (10 - 14)
€ 63,800
€ 39,100
€ 63,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The M3 Cabrio is slightly smaller in every dimension. It's 4.7 inches shorter, 0.1 inches narrower and 0.5 inches lower than the 318i Cabrio.
M3 Cabrio
318i Cabrio
54
70.1
78
54.5
70.2
78.1
70.1 in
Width
70.2 in
78 in
Width Incl. Mirrors
78.1 in
54 in
Height
54.5 in
107.5
176.9
108.7
181.6
176.9 in
Length
181.6 in
107.5 in
Wheelbase
108.7 in
Vehicle Weight
M3 Cabrio
318i Cabrio
3814 lb
Curb Weight
3682 lb
4630 lb
Gross Vehicle
Weight
Weight
4464 lb
Weight Difference:
132 lb
3.46 %
General
M3 Cabrio
318i Cabrio
E46
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
M3 Cabrio
318i Cabrio
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW S54
Engine Series
BMW N43
S54-B32
Engine Code
N43-B20
4
Valves
4
6
Cylinders
4
3.2 L / 157 cu in
Displacement
2 L / 98 cu in
338 hp
at 7900 rpm
Power
141 hp
at 6000 rpm
M3 Cabrio
338 hp
141 hp
318i Cabrio
269 lb‑ft
at 4900 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
M3 Cabrio
269 lb‑ft
140 lb‑ft
318i Cabrio
Performance
M3 Cabrio
318i Cabrio
155 mph
Maximum Speed
130 mph
5.5 sec
Acceleration 0 to 62 mph
10.3 sec
62 mph
62
mph
mph
249 ft
0.000 sec
M3 Cabrio
62 mph
62
mph
mph
469 ft
0.000 sec
318i Cabrio
▶ REPLAY
11.28 lb/hp
Weight-to-Power Ratio
26.11 lb/hp
M3 Cabrio
11.28 lb/hp
26.11 lb/hp
318i Cabrio
Fuel Economy / Emissions
M3 Cabrio
318i Cabrio
Fuel Economy
17 mpg
combined
36 mpg
M3 Cabrio
17 mpg
36 mpg
318i Cabrio
11 mpg
city
28 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
288 mi
Range
593 mi
M3 Cabrio
288 mi
593 mi
318i Cabrio
Environmental Impact
257.7 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).
125 kWh
M3 Cabrio
257.7 kWh
125 kWh
318i Cabrio
Euro 4
Emission Standard
Euro 5
528 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)
Practical Convenience
M3 Cabrio
318i Cabrio
2
Doors
2
4
No. of Seats
4
816 lb
Maximum Payload
783 lb
8.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
