The Comparative Analysis :

BMW 428i Convertible xDrive Steptronic (14 - 15) vs. BMW 320d Convertible Automatic (08 - 10)

€ 52,900
BMW 428i Convertible xDrive Steptronic (14 - 15) 428i Cabrio
€ 46,500
 BMW 320d Convertible Automatic (08 - 10) 320d Cabrio
€ 52,900
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 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 320d Cabrio.
428i Cabrio
320d Cabrio
55.1
Blueprint BMW 428i Convertible xDrive Steptronic (14 - 15)
71.9
79.4
54.5
Blueprint BMW 320d Convertible Automatic (08 - 10)
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
Blueprint BMW 428i Convertible xDrive Steptronic (14 - 15)
110.6
182.6
Blueprint BMW 320d Convertible Automatic (08 - 10)
108.7
180.3
182.6 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

428i Cabrio
320d Cabrio
4068 lb
Curb Weight
3847 lb
4894 lb
Gross Vehicle
Weight
4630 lb
BMW 428i Convertible xDrive Steptronic (14 - 15)
Weight Difference:
220 lb
5.41 %
BMW 320d Convertible Automatic (08 - 10)

General

428i Cabrio
320d Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
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
6.5 sec
Acceleration 0 to 62 mph
8.7 sec
62 mph 62
mph

295 ft
0.000 sec

428i Cabrio

62 mph 62
mph

397 ft
0.000 sec

320d Cabrio

▶ REPLAY
16.81 lb/hp
Weight-to-Power Ratio
21.98 lb/hp
428i Cabrio
16.81 lb/hp
21.98 lb/hp
320d Cabrio

Fuel Economy / Emissions

428i Cabrio
320d Cabrio
Fuel Economy
34 mpg
combined
39 mpg
428i Cabrio
34 mpg
39 mpg
320d Cabrio
26 mpg
city
31 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
16.1 gal
Kraftstoffanzeige
533 mi
Range
632 mi
428i Cabrio
533 mi
632 mi
320d 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).
123.4 kWh
428i Cabrio
132.6 kWh
123.4 kWh
320d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
262 g/mi (NEFZ)
CO2 Emissions
253 g/mi (NEFZ)

Practical Convenience

428i Cabrio
320d 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