The Comparative Analysis :
BMW M4 Convertible (14 - 17) vs. BMW 320i Convertible Automatic (07 - 10)
€ 79,700

€ 43,300

€ 79,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The M4 Cabrio is slightly bigger in every dimension. It's 3.6 inches longer, 3.5 inches wider and 0.1 inches taller than the 320i Cabrio.
M4 Cabrio
320i Cabrio
54.6
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
54.6 in
Height
54.5 in
110.7
183.9
108.7
180.3
183.9 in
Length
180.3 in
110.7 in
Wheelbase
108.7 in
Vehicle Weight
M4 Cabrio
320i Cabrio
4023 lb
Curb Weight
3748 lb
4960 lb
Gross Vehicle
Weight
Weight
4530 lb

Weight Difference:
276 lb
6.86 %

General
M4 Cabrio
320i Cabrio
F83
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 automatic transmission
Engine
M4 Cabrio
320i 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
425 hp
at 5500 rpm
Power
168 hp
at 6700 rpm
M4 Cabrio
425 hp
168 hp
320i Cabrio
406 lb‑ft
at 1850 rpm
Max. Torque
155 lb‑ft
at 4250 rpm
M4 Cabrio
406 lb‑ft
155 lb‑ft
320i Cabrio
Performance
M4 Cabrio
320i Cabrio
155 mph
Maximum Speed
140 mph
4.6 sec
Acceleration 0 to 62 mph
9.8 sec
62 mph
62
mph
mph
210 ft
0.000 sec

M4 Cabrio
62 mph
62
mph
mph
446 ft
0.000 sec

320i Cabrio
▶ REPLAY
9.47 lb/hp
Weight-to-Power Ratio
22.31 lb/hp
M4 Cabrio
9.47 lb/hp
22.31 lb/hp
320i Cabrio
Fuel Economy / Emissions
M4 Cabrio
320i Cabrio
Fuel Economy
26 mpg
combined
32 mpg
M4 Cabrio
26 mpg
32 mpg
320i Cabrio
19 mpg
city
24 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
409 mi
Range
536 mi
M4 Cabrio
409 mi
536 mi
320i Cabrio
Environmental Impact
172.4 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).
138.2 kWh
M4 Cabrio
172.4 kWh
138.2 kWh
320i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
343 g/mi (NEFZ)
CO2 Emissions
272 g/mi (NEFZ)
Practical Convenience
M4 Cabrio
320i Cabrio
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft









No data
Cargo Volume (Seats Down)
No data