The Comparative Analysis :
BMW 330d Convertible DPF (07 - 07) vs. BMW 420d Convertible (15 - 17)
€ 49,000

€ 47,900

€ 49,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 47,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 330d Convertible DPF is slightly smaller in every dimension. It's 2.3 inches shorter, 1.7 inches narrower and 0.4 inches lower than the 420d Cabrio.
330d Convertible DPF
420d Cabrio
54.1
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
54.1 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
330d Convertible DPF
420d Cabrio
4023 lb
Curb Weight
3913 lb
4806 lb
Gross Vehicle
Weight
Weight
4784 lb

Weight Difference:
110 lb
2.73 %

General
330d 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
330d Convertible DPF
420d Cabrio
Straight-six diesel engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
BMW M57
Engine Series
BMW B47
M57-D30
Engine Code
B47-D20


4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
228 hp
at 4000 rpm
Power
187 hp
at 4000 rpm
330d Convertible DPF
228 hp
187 hp
420d Cabrio
369 lb‑ft
at 1750 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
330d Convertible DPF
369 lb‑ft
295 lb‑ft
420d Cabrio
Performance
330d Convertible DPF
420d Cabrio
152 mph
Maximum Speed
146 mph
7.1 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
325 ft
0.000 sec

330d Convertible DPF
62 mph
62
mph
mph
371 ft
0.000 sec

420d Cabrio
▶ REPLAY
17.64 lb/hp
Weight-to-Power Ratio
20.93 lb/hp
330d Convertible DPF
17.64 lb/hp
20.93 lb/hp
420d Cabrio
Fuel Economy / Emissions
330d Convertible DPF
420d Cabrio
Fuel Economy
35 mpg
combined
49 mpg
330d Convertible DPF
35 mpg
49 mpg
420d Cabrio
25 mpg
city
41 mpg
No data
highway
No data
16.1 gal
Fuel Tank Capacity
15.1 gal
557 mi
Range
738 mi
330d Convertible DPF
557 mi
738 mi
420d Cabrio
Environmental Impact
139.9 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).
98.8 kWh
330d Convertible DPF
139.9 kWh
98.8 kWh
420d Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
291 g/mi (NEFZ)
CO2 Emissions
204 g/mi (NEFZ)
Practical Convenience
330d Convertible DPF
420d Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
871 lb
9.9 cu ft
Trunk Volume
10.5 cu ft









No data
Cargo Volume (Seats Down)
No data