The Comparative Analysis :
BMW 428i Convertible xDrive Steptronic (14 - 15) vs. BMW 330i Convertible Automatic (10 - 14)
€ 52,900

€ 52,400

€ 52,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 428i Cabrio is a little bigger in every dimension. It's an inch longer, 1.7 inches wider and 0.6 inches taller than the 330i Cabrio.
428i Cabrio
330i Cabrio
55.1
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
55.1 in
Height
54.5 in
110.6
182.6
108.7
181.6
182.6 in
Length
181.6 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
428i Cabrio
330i Cabrio
4068 lb
Curb Weight
3957 lb
4894 lb
Gross Vehicle
Weight
Weight
4740 lb

Weight Difference:
110 lb
2.7 %

General
428i Cabrio
330i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
428i Cabrio
330i Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
BMW N20
Engine Series
BMW N53
N20-B20
Engine Code
N53-B30


4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
242 hp
at 5000 rpm
Power
268 hp
at 6700 rpm
428i Cabrio
242 hp
268 hp
330i Cabrio
258 lb‑ft
at 1250 rpm
Max. Torque
236 lb‑ft
at 2750 rpm
428i Cabrio
258 lb‑ft
236 lb‑ft
330i Cabrio
Performance
428i Cabrio
330i Cabrio
155 mph
Maximum Speed
155 mph
6.5 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph
62
mph
mph
295 ft
0.000 sec

428i Cabrio
62 mph
62
mph
mph
305 ft
0.000 sec

330i Cabrio
▶ REPLAY
16.81 lb/hp
Weight-to-Power Ratio
14.76 lb/hp
428i Cabrio
16.81 lb/hp
14.76 lb/hp
330i Cabrio
Fuel Economy / Emissions
428i Cabrio
330i Cabrio
Fuel Economy
34 mpg
combined
29 mpg
428i Cabrio
34 mpg
29 mpg
330i Cabrio
26 mpg
city
21 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
533 mi
Range
477 mi
428i Cabrio
533 mi
477 mi
330i Cabrio
Environmental Impact
132.6 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).
155.3 kWh
428i Cabrio
132.6 kWh
155.3 kWh
330i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
262 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
428i Cabrio
330i Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft









No data
Cargo Volume (Seats Down)
No data