The Comparative Analysis :
BMW 428i Convertible xDrive Steptronic (14 - 15) vs. BMW 320i Convertible Automatic (07 - 10)
€ 52,900
€ 43,300
€ 52,900
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 428i Cabrio is slightly bigger in every dimension. It's 2.3 inches longer, 1.7 inches wider and 0.6 inches taller than the 320i Cabrio.
428i Cabrio
320i Cabrio
55.1
71.9
79.4
54.5
70.2
78.1
71.9 in
Width
70.2 in
79.4 in
Width Incl. Mirrors
78.1 in
55.1 in
Height
54.5 in
110.6
182.6
108.7
180.3
182.6 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
428i Cabrio
320i Cabrio
4068 lb
Curb Weight
3748 lb
4894 lb
Gross Vehicle
Weight
Weight
4530 lb
Weight Difference:
320 lb
7.87 %
General
428i Cabrio
320i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
428i Cabrio
320i Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW N20
Engine Series
BMW N43
N20-B20
Engine Code
N43-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
168 hp
at 6700 rpm
428i Cabrio
242 hp
168 hp
320i Cabrio
258 lb‑ft
at 1250 rpm
Max. Torque
155 lb‑ft
at 4250 rpm
428i Cabrio
258 lb‑ft
155 lb‑ft
320i Cabrio
Performance
428i Cabrio
320i Cabrio
155 mph
Maximum Speed
140 mph
6.5 sec
Acceleration 0 to 62 mph
9.8 sec
62 mph
62
mph
mph
295 ft
0.000 sec
428i Cabrio
62 mph
62
mph
mph
446 ft
0.000 sec
320i Cabrio
▶ REPLAY
16.81 lb/hp
Weight-to-Power Ratio
22.31 lb/hp
428i Cabrio
16.81 lb/hp
22.31 lb/hp
320i Cabrio
Fuel Economy / Emissions
428i Cabrio
320i Cabrio
Fuel Economy
34 mpg
combined
32 mpg
428i Cabrio
34 mpg
32 mpg
320i Cabrio
26 mpg
city
24 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
533 mi
Range
536 mi
428i Cabrio
533 mi
536 mi
320i Cabrio
Environmental Impact
132.6 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
428i Cabrio
132.6 kWh
138.2 kWh
320i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
262 g/mi (NEFZ)
CO2 Emissions
272 g/mi (NEFZ)
Practical Convenience
428i Cabrio
320i Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
