The Comparative Analysis :
BMW 320d Convertible DPF (08 - 08) vs. BMW 420d Convertible (17 - 19)
€ 43,900
€ 51,700
€ 43,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 51,700
ⓘ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
70.2
78.1
54.5
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
108.7
180.3
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
3814 lb
Curb Weight
4023 lb
4597 lb
Gross Vehicle
Weight
Weight
4883 lb
Weight Difference:
209 lb
5.19 %
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 manual transmission
Transmission
6-speed manual 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 B47
N47-D20
Engine Code
B47-D20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
175 hp
at 4000 rpm
Power
187 hp
at 4000 rpm
320d Convertible DPF
175 hp
187 hp
420d Cabrio
258 lb‑ft
at 2000 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
320d Convertible DPF
258 lb‑ft
295 lb‑ft
420d Cabrio
Performance
320d Convertible DPF
420d Cabrio
139 mph
Maximum Speed
146 mph
8.6 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph
62
mph
mph
390 ft
0.000 sec
320d Convertible DPF
62 mph
62
mph
mph
374 ft
0.000 sec
420d Cabrio
▶ REPLAY
21.79 lb/hp
Weight-to-Power Ratio
21.51 lb/hp
320d Convertible DPF
21.79 lb/hp
21.51 lb/hp
420d Cabrio
Fuel Economy / Emissions
320d Convertible DPF
420d Cabrio
Fuel Economy
44 mpg
combined
46 mpg
320d Convertible DPF
44 mpg
46 mpg
420d Cabrio
34 mpg
city
38 mpg
No data
highway
No data
16.1 gal
Fuel Tank Capacity
15.1 gal
715 mi
Range
695 mi
320d Convertible DPF
715 mi
695 mi
420d Cabrio
Environmental Impact
109.1 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).
104.9 kWh
320d Convertible DPF
109.1 kWh
104.9 kWh
420d Cabrio
Euro 4
Emission Standard
Euro 6c (WLTP)
225 g/mi (NEFZ)
CO2 Emissions
248 g/mi (WLTP)
Practical Convenience
320d Convertible DPF
420d Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
860 lb
9.9 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data
