The Comparative Analysis :
BMW 420d Convertible Steptronic (15 - 17) vs. BMW 330d Convertible (07 - 09)
€ 50,100

€ 50,000

€ 50,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,000
ⓘ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
330d Cabrio
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
330d Cabrio
3946 lb
Curb Weight
4023 lb
4817 lb
Gross Vehicle
Weight
Weight
4806 lb

Weight Difference:
77 lb
1.91 %

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


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

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

330d Cabrio
▶ REPLAY
21.1 lb/hp
Weight-to-Power Ratio
17.64 lb/hp
420d Cabrio
21.1 lb/hp
17.64 lb/hp
330d Cabrio
Fuel Economy / Emissions
420d Cabrio
330d Cabrio
Fuel Economy
53 mpg
combined
36 mpg
420d Cabrio
53 mpg
36 mpg
330d Cabrio
45 mpg
city
27 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
16.1 gal
805 mi
Range
583 mi
420d Cabrio
805 mi
583 mi
330d Cabrio
Environmental Impact
90.4 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).
133.7 kWh
420d Cabrio
90.4 kWh
133.7 kWh
330d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
187 g/mi (NEFZ)
CO2 Emissions
274 g/mi (NEFZ)
Practical Convenience
420d Cabrio
330d Cabrio
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft









No data
Cargo Volume (Seats Down)
No data