The Comparative Analysis :
BMW 320i Convertible (10 - 14) vs. BMW 428i Convertible Steptronic (14 - 15)
€ 41,500
€ 50,400
€ 41,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. Both cars are the same height, but the 320i Cabrio is an inch shorter and 1.7 inches narrower.
320i Cabrio
428i Cabrio
54.5
70.2
78.1
54.5
71.9
79.4
70.2 in
Width
71.9 in
78.1 in
Width Incl. Mirrors
79.4 in
54.5 in
Height
54.5 in
108.7
181.6
110.6
182.6
181.6 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in
Vehicle Weight
320i Cabrio
428i Cabrio
3682 lb
Curb Weight
3913 lb
4464 lb
Gross Vehicle
Weight
Weight
4762 lb
Weight Difference:
231 lb
5.9 %
General
320i Cabrio
428i Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
320i Cabrio
428i Cabrio
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
BMW N43
Engine Series
BMW N20
N43-B20
Engine Code
N20-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
168 hp
at 6700 rpm
Power
242 hp
at 5000 rpm
320i Cabrio
168 hp
242 hp
428i Cabrio
155 lb‑ft
at 4250 rpm
Max. Torque
258 lb‑ft
at 1250 rpm
320i Cabrio
155 lb‑ft
258 lb‑ft
428i Cabrio
Performance
320i Cabrio
428i Cabrio
142 mph
Maximum Speed
155 mph
9.1 sec
Acceleration 0 to 62 mph
6.4 sec
62 mph
62
mph
mph
413 ft
0.000 sec
320i Cabrio
62 mph
62
mph
mph
292 ft
0.000 sec
428i Cabrio
▶ REPLAY
21.92 lb/hp
Weight-to-Power Ratio
16.17 lb/hp
320i Cabrio
21.92 lb/hp
16.17 lb/hp
428i Cabrio
Fuel Economy / Emissions
320i Cabrio
428i Cabrio
Fuel Economy
35 mpg
combined
36 mpg
320i Cabrio
35 mpg
36 mpg
428i Cabrio
27 mpg
city
27 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
575 mi
Range
565 mi
320i Cabrio
575 mi
565 mi
428i 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).
125 kWh
320i Cabrio
128.7 kWh
125 kWh
428i Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
256 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)
Practical Convenience
320i Cabrio
428i Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
849 lb
9.9 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data
