The Comparative Analysis :
BMW 420d Convertible (14 - 15) vs. BMW 320d Convertible DPF Automatic (08 - 08)
€ 46,300

€ 46,100

€ 46,300
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
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
420d Cabrio
320d Convertible DPF
3704 lb
Curb Weight
3847 lb
4740 lb
Gross Vehicle
Weight
Weight
4630 lb

Weight Difference:
143 lb
3.72 %

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

6-speed manual 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
146 mph
Maximum Speed
139 mph
8.2 sec
Acceleration 0 to 62 mph
8.7 sec
62 mph
62
mph
mph
374 ft
0.000 sec

420d Cabrio
62 mph
62
mph
mph
397 ft
0.000 sec

320d Convertible DPF
▶ REPLAY
20.46 lb/hp
Weight-to-Power Ratio
21.98 lb/hp
420d Cabrio
20.46 lb/hp
21.98 lb/hp
320d Convertible DPF
Fuel Economy / Emissions
420d Cabrio
320d Convertible DPF
Fuel Economy
46 mpg
combined
41 mpg
420d Cabrio
46 mpg
41 mpg
320d Convertible DPF
39 mpg
city
31 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
16.1 gal
695 mi
Range
654 mi
420d Cabrio
695 mi
654 mi
320d Convertible DPF
Environmental Impact
104.9 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).
119.3 kWh
420d Cabrio
104.9 kWh
119.3 kWh
320d Convertible DPF
Euro 6b (NEFZ)
Emission Standard
Euro 4
214 g/mi (NEFZ)
CO2 Emissions
246 g/mi (NEFZ)
Practical Convenience
420d Cabrio
320d Convertible DPF
2
Doors
2
4
No. of Seats
4
1036 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft









No data
Cargo Volume (Seats Down)
No data