The Comparative Analysis :
BMW M3 Convertible (08 - 13) vs. BMW 318i Convertible (10 - 14)
€ 75,300
€ 39,100
€ 75,300
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 a bit bigger in every dimension. It's 0.1 inches longer, 0.9 inches wider and 0.3 inches taller than the 318i Cabrio.
M3 Cabrio
318i Cabrio
54.8
71
77.8
54.5
70.2
78.1
71 in
Width
70.2 in
77.8 in
Width Incl. Mirrors
78.1 in
54.8 in
Height
54.5 in
108.7
181.7
108.7
181.6
181.7 in
Length
181.6 in
108.7 in
Wheelbase
108.7 in
Vehicle Weight
M3 Cabrio
318i Cabrio
4156 lb
Curb Weight
3682 lb
5027 lb
Gross Vehicle
Weight
Weight
4464 lb
Weight Difference:
474 lb
11.41 %
General
M3 Cabrio
318i Cabrio
E93
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
V8 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW S65
Engine Series
BMW N43
S65-B40
Engine Code
N43-B20
4
Valves
4
8
Cylinders
4
4 L / 196 cu in
Displacement
2 L / 98 cu in
414 hp
at 8300 rpm
Power
141 hp
at 6000 rpm
M3 Cabrio
414 hp
141 hp
318i Cabrio
295 lb‑ft
at 3900 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
M3 Cabrio
295 lb‑ft
140 lb‑ft
318i Cabrio
Performance
M3 Cabrio
318i Cabrio
155 mph
Maximum Speed
130 mph
5.3 sec
Acceleration 0 to 62 mph
10.3 sec
62 mph
62
mph
mph
243 ft
0.000 sec
M3 Cabrio
62 mph
62
mph
mph
469 ft
0.000 sec
318i Cabrio
▶ REPLAY
10.04 lb/hp
Weight-to-Power Ratio
26.11 lb/hp
M3 Cabrio
10.04 lb/hp
26.11 lb/hp
318i Cabrio
Fuel Economy / Emissions
M3 Cabrio
318i Cabrio
Fuel Economy
18 mpg
combined
36 mpg
M3 Cabrio
18 mpg
36 mpg
318i Cabrio
13 mpg
city
28 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
303 mi
Range
593 mi
M3 Cabrio
303 mi
593 mi
318i Cabrio
Environmental Impact
244.5 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).
125 kWh
M3 Cabrio
244.5 kWh
125 kWh
318i Cabrio
Euro 4
Emission Standard
Euro 5
497 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)
Practical Convenience
M3 Cabrio
318i Cabrio
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
783 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
