The Comparative Analysis :
BMW 330d Convertible DPF Automatic (07 - 07) vs. BMW 425d Convertible Steptronic (14 - 15)
€ 51,200

€ 52,000

€ 51,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,000
ⓘ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 425d Cabrio.
330d Convertible DPF
425d 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
425d Cabrio
4057 lb
Curb Weight
3814 lb
4839 lb
Gross Vehicle
Weight
Weight
3979 lb

Weight Difference:
243 lb
5.99 %

General
330d Convertible DPF
425d 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
330d Convertible DPF
425d Cabrio
Straight-six diesel engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
BMW M57
Engine Series
BMW N47
M57-D30
Engine Code
N47-D20


4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
228 hp
at 4000 rpm
Power
215 hp
at 4400 rpm
330d Convertible DPF
228 hp
215 hp
425d Cabrio
369 lb‑ft
at 1750 rpm
Max. Torque
332 lb‑ft
at 1500 rpm
330d Convertible DPF
369 lb‑ft
332 lb‑ft
425d Cabrio
Performance
330d Convertible DPF
425d Cabrio
151 mph
Maximum Speed
150 mph
7.3 sec
Acceleration 0 to 62 mph
7.1 sec
62 mph
62
mph
mph
331 ft
0.000 sec

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

425d Cabrio
▶ REPLAY
17.79 lb/hp
Weight-to-Power Ratio
17.74 lb/hp
330d Convertible DPF
17.79 lb/hp
17.74 lb/hp
425d Cabrio
Fuel Economy / Emissions
330d Convertible DPF
425d Cabrio
Fuel Economy
32 mpg
combined
47 mpg
330d Convertible DPF
32 mpg
47 mpg
425d Cabrio
24 mpg
city
39 mpg
No data
highway
No data
16.1 gal
Fuel Tank Capacity
15.1 gal
512 mi
Range
708 mi
330d Convertible DPF
512 mi
708 mi
425d Cabrio
Environmental Impact
152.2 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).
102.8 kWh
330d Convertible DPF
152.2 kWh
102.8 kWh
425d Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
317 g/mi (NEFZ)
CO2 Emissions
212 g/mi (NEFZ)
Practical Convenience
330d Convertible DPF
425d Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
165 lb
9.9 cu ft
Trunk Volume
10.5 cu ft









No data
Cargo Volume (Seats Down)
No data