The Comparative Analysis :

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

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

ⓘ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 320d Convertible DPF is 2.3 inches shorter and 1.7 inches narrower.
320d Convertible DPF
420d Cabrio
54.5
Blueprint BMW 320d Convertible DPF Automatic (08 - 08)
70.2
78.1
54.5
Blueprint BMW 420d Convertible Steptronic (14 - 15)
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
Blueprint BMW 320d Convertible DPF Automatic (08 - 08)
108.7
180.3
Blueprint BMW 420d Convertible Steptronic (14 - 15)
110.6
182.6
180.3 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

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

General

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

Engine

320d Convertible DPF
420d Cabrio
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
175 hp
at 4000 rpm
Power
181 hp
at 4000 rpm
320d Convertible DPF
175 hp
181 hp
420d Cabrio
258 lb‑ft
at 2000 rpm
Max. Torque
280 lb‑ft
at 1750 rpm
320d Convertible DPF
258 lb‑ft
280 lb‑ft
420d Cabrio

Performance

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

397 ft
0.000 sec

320d Convertible DPF

62 mph 62
mph

374 ft
0.000 sec

420d Cabrio

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

Fuel Economy / Emissions

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

Practical Convenience

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