The Comparative Analysis :
BMW 428i Convertible Steptronic (14 - 15) vs. BMW 320d Convertible Automatic (08 - 10)
€ 50,400
€ 46,500
€ 50,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. Both cars are the same height, but the 428i Cabrio is 2.3 inches longer and 1.7 inches wider.
428i Cabrio
320d Cabrio
54.5
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
54.5 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
320d Cabrio
3913 lb
Curb Weight
3847 lb
4762 lb
Gross Vehicle
Weight
Weight
4630 lb
Weight Difference:
66 lb
1.69 %
General
428i Cabrio
320d Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
428i Cabrio
320d Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
BMW N20
Engine Series
BMW N47
N20-B20
Engine Code
N47-D20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
175 hp
at 4000 rpm
428i Cabrio
242 hp
175 hp
320d Cabrio
258 lb‑ft
at 1250 rpm
Max. Torque
258 lb‑ft
at 2000 rpm
428i Cabrio
258 lb‑ft
258 lb‑ft
320d Cabrio
Performance
428i Cabrio
320d Cabrio
155 mph
Maximum Speed
139 mph
6.4 sec
Acceleration 0 to 62 mph
8.7 sec
62 mph
62
mph
mph
292 ft
0.000 sec
428i Cabrio
62 mph
62
mph
mph
397 ft
0.000 sec
320d Cabrio
▶ REPLAY
16.17 lb/hp
Weight-to-Power Ratio
21.98 lb/hp
428i Cabrio
16.17 lb/hp
21.98 lb/hp
320d Cabrio
Fuel Economy / Emissions
428i Cabrio
320d Cabrio
Fuel Economy
36 mpg
combined
39 mpg
428i Cabrio
36 mpg
39 mpg
320d Cabrio
27 mpg
city
31 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.1 gal
565 mi
Range
632 mi
428i Cabrio
565 mi
632 mi
320d Cabrio
Environmental Impact
125 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).
123.4 kWh
428i Cabrio
125 kWh
123.4 kWh
320d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
248 g/mi (NEFZ)
CO2 Emissions
253 g/mi (NEFZ)
Practical Convenience
428i Cabrio
320d Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
