The Comparative Analysis :
BMW 320i Convertible (07 - 10) vs. BMW M4 Convertible (17 - 18)
€ 41,100

€ 85,500

€ 41,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 320i Cabrio is slightly smaller in every dimension. It's 3.6 inches shorter, 3.5 inches narrower and 0.1 inches lower than the M4 Cabrio.
320i Cabrio
M4 Cabrio
54.5
70.2
78.1
54.6
73.6
79.3
70.2 in
Width
73.6 in
78.1 in
Width Incl. Mirrors
79.3 in
54.5 in
Height
54.6 in
108.7
180.3
110.7
183.9
180.3 in
Length
183.9 in
108.7 in
Wheelbase
110.7 in
Vehicle Weight
320i Cabrio
M4 Cabrio
3682 lb
Curb Weight
4023 lb
4464 lb
Gross Vehicle
Weight
Weight
4960 lb

Weight Difference:
342 lb
8.5 %

General
320i Cabrio
M4 Cabrio
E93
Generation
F83
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
320i Cabrio
M4 Cabrio
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW N43
Engine Series
BMW S55
N43-B20
Engine Code
S55-B30

4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
168 hp
at 6700 rpm
Power
425 hp
at 5500 rpm
320i Cabrio
168 hp
425 hp
M4 Cabrio
155 lb‑ft
at 4250 rpm
Max. Torque
406 lb‑ft
at 1850 rpm
320i Cabrio
155 lb‑ft
406 lb‑ft
M4 Cabrio
Performance
320i Cabrio
M4 Cabrio
142 mph
Maximum Speed
155 mph
9.1 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
413 ft
0.000 sec

320i Cabrio
62 mph
62
mph
mph
210 ft
0.000 sec

M4 Cabrio
▶ REPLAY
21.92 lb/hp
Weight-to-Power Ratio
9.47 lb/hp
320i Cabrio
21.92 lb/hp
9.47 lb/hp
M4 Cabrio
Fuel Economy / Emissions
320i Cabrio
M4 Cabrio
Fuel Economy
35 mpg
combined
25 mpg
320i Cabrio
35 mpg
25 mpg
M4 Cabrio
27 mpg
city
19 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
575 mi
Range
393 mi
320i Cabrio
575 mi
393 mi
M4 Cabrio
Environmental Impact
128.7 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).
179.9 kWh
320i Cabrio
128.7 kWh
179.9 kWh
M4 Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
256 g/mi (NEFZ)
CO2 Emissions
351 g/mi (NEFZ)
Practical Convenience
320i Cabrio
M4 Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
937 lb
9.9 cu ft
Trunk Volume
10.5 cu ft









No data
Cargo Volume (Seats Down)
No data