The Comparative Analysis :
BMW M4 Convertible Competition M DKG (18 - 19) vs. BMW 318i Convertible (10 - 14)
€ 96,000

€ 39,100

€ 96,000
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 M4 Convertible Competition Package is slightly bigger in every dimension. It's 2.3 inches longer, 3.5 inches wider and 0.3 inches taller than the 318i Cabrio.
M4 Convertible Competition Package
318i Cabrio
54.8
73.6
79.3
54.5
70.2
78.1
73.6 in
Width
70.2 in
79.3 in
Width Incl. Mirrors
78.1 in
54.8 in
Height
54.5 in
110.7
183.9
108.7
181.6
183.9 in
Length
181.6 in
110.7 in
Wheelbase
108.7 in
Vehicle Weight
M4 Convertible Competition Package
318i Cabrio
4167 lb
Curb Weight
3682 lb
4960 lb
Gross Vehicle
Weight
Weight
4464 lb

Weight Difference:
485 lb
11.64 %

General
M4 Convertible Competition Package
318i Cabrio
F83
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
6-speed manual transmission
Engine
M4 Convertible Competition Package
318i Cabrio
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW S55
Engine Series
BMW N43
S55-B30
Engine Code
N43-B20

4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
444 hp
at 7000 rpm
Power
141 hp
at 6000 rpm
M4 Convertible Competition Package
444 hp
141 hp
318i Cabrio
406 lb‑ft
at 2350 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
M4 Convertible Competition Package
406 lb‑ft
140 lb‑ft
318i Cabrio
Performance
M4 Convertible Competition Package
318i Cabrio
155 mph
Maximum Speed
130 mph
4.3 sec
Acceleration 0 to 62 mph
10.3 sec
62 mph
62
mph
mph
197 ft
0.000 sec

M4 Convertible Competition Package
62 mph
62
mph
mph
469 ft
0.000 sec

318i Cabrio
▶ REPLAY
9.39 lb/hp
Weight-to-Power Ratio
26.11 lb/hp
M4 Convertible Competition Package
9.39 lb/hp
26.11 lb/hp
318i Cabrio
Fuel Economy / Emissions
M4 Convertible Competition Package
318i Cabrio
Fuel Economy
25 mpg
combined
36 mpg
M4 Convertible Competition Package
25 mpg
36 mpg
318i Cabrio
20 mpg
city
28 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
393 mi
Range
593 mi
M4 Convertible Competition Package
393 mi
593 mi
318i Cabrio
Environmental Impact
179.9 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
M4 Convertible Competition Package
179.9 kWh
125 kWh
318i Cabrio
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 5
372 g/mi (WLTP)
CO2 Emissions
248 g/mi (NEFZ)
Practical Convenience
M4 Convertible Competition Package
318i Cabrio
2
Doors
2
4
No. of Seats
4
794 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft









No data
Cargo Volume (Seats Down)
No data