The Comparative Analysis :

BMW 420d Convertible Steptronic (14 - 15) vs. BMW 320d Convertible DPF Automatic (08 - 08)

€ 48,500
BMW 420d Convertible Steptronic (14 - 15) 420d Cabrio
€ 46,100
 BMW 320d Convertible DPF Automatic (08 - 08) 320d Convertible DPF
€ 48,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,100

ⓘ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 420d Cabrio is 2.3 inches longer and 1.7 inches wider.
420d Cabrio
320d Convertible DPF
54.5
Blueprint BMW 420d Convertible Steptronic (14 - 15)
71.9
79.4
54.5
Blueprint BMW 320d Convertible DPF Automatic (08 - 08)
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
Blueprint BMW 420d Convertible Steptronic (14 - 15)
110.6
182.6
Blueprint BMW 320d Convertible DPF Automatic (08 - 08)
108.7
180.3
182.6 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

420d Cabrio
320d Convertible DPF
3869 lb
Curb Weight
3847 lb
4762 lb
Gross Vehicle
Weight
4630 lb
BMW 420d Convertible Steptronic (14 - 15)
Weight Difference:
22 lb
0.57 %
BMW 320d Convertible DPF Automatic (08 - 08)

General

420d Cabrio
320d Convertible DPF
F33
Generation
E93
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

420d Cabrio
320d Convertible DPF
Straight-four diesel engine with tur­bo­charger
Engine Type
Straight-four diesel engine with tur­bo­charger
BMW N47
Engine Series
BMW N47
N47-D20
Engine Code
N47-D20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 4000 rpm
Power
175 hp
at 4000 rpm
420d Cabrio
181 hp
175 hp
320d Convertible DPF
280 lb‑ft
at 1750 rpm
Max. Torque
258 lb‑ft
at 2000 rpm
420d Cabrio
280 lb‑ft
258 lb‑ft
320d Convertible DPF

Performance

420d Cabrio
320d Convertible DPF
142 mph
Maximum Speed
139 mph
8.2 sec
Acceleration 0 to 62 mph
8.7 sec
62 mph 62
mph

374 ft
0.000 sec

420d Cabrio

62 mph 62
mph

397 ft
0.000 sec

320d Convertible DPF

▶ REPLAY
21.38 lb/hp
Weight-to-Power Ratio
21.98 lb/hp
420d Cabrio
21.38 lb/hp
21.98 lb/hp
320d Convertible DPF

Fuel Economy / Emissions

420d Cabrio
320d Convertible DPF
Fuel Economy
49 mpg
combined
41 mpg
420d Cabrio
49 mpg
41 mpg
320d Convertible DPF
41 mpg
city
31 mpg
No data
highway
No data
Kraftstoffanzeige
15.1 gal
Fuel Tank Capacity
16.1 gal
Kraftstoffanzeige
738 mi
Range
654 mi
420d Cabrio
738 mi
654 mi
320d Convertible DPF
Environmental Impact
98.8 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).
119.3 kWh
420d Cabrio
98.8 kWh
119.3 kWh
320d Convertible DPF
Euro 6b (NEFZ)
Emission Standard
Euro 4
204 g/mi (NEFZ)
CO2 Emissions
246 g/mi (NEFZ)

Practical Convenience

420d Cabrio
320d Convertible DPF
2
Doors
2
4
No. of Seats
4
893 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data