The Comparative Analysis :
BMW 420i Convertible Steptronic (17 - ..) vs. BMW 330i Convertible Automatic (10 - 14)
€ 50,800
€ 52,400
€ 50,800
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 dimensions of these vehicles differ a little. Both cars are the same height, but the 420i Cabrio is an inch longer and 1.7 inches wider.
420i Cabrio
330i 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
181.6
182.6 in
Length
181.6 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
420i Cabrio
330i Cabrio
3946 lb
Curb Weight
3957 lb
4817 lb
Gross Vehicle
Weight
Weight
4740 lb
Weight Difference:
11 lb
0.28 %
General
420i Cabrio
330i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
420i Cabrio
330i Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
BMW B48
Engine Series
BMW N53
B48-B20
Engine Code
N53-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
181 hp
at 5000 rpm
Power
268 hp
at 6700 rpm
420i Cabrio
181 hp
268 hp
330i Cabrio
199 lb‑ft
at 1350 rpm
Max. Torque
236 lb‑ft
at 2750 rpm
420i Cabrio
199 lb‑ft
236 lb‑ft
330i Cabrio
Performance
420i Cabrio
330i Cabrio
143 mph
Maximum Speed
155 mph
8.4 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph
62
mph
mph
384 ft
0.000 sec
420i Cabrio
62 mph
62
mph
mph
305 ft
0.000 sec
330i Cabrio
▶ REPLAY
21.8 lb/hp
Weight-to-Power Ratio
14.76 lb/hp
420i Cabrio
21.8 lb/hp
14.76 lb/hp
330i Cabrio
Fuel Economy / Emissions
420i Cabrio
330i Cabrio
Fuel Economy
37 mpg
combined
29 mpg
420i Cabrio
37 mpg
29 mpg
330i Cabrio
32 mpg
city
21 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
592 mi
Range
477 mi
420i Cabrio
592 mi
477 mi
330i Cabrio
Environmental Impact
119.4 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).
155.3 kWh
420i Cabrio
119.4 kWh
155.3 kWh
330i Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
288 g/mi (WLTP)
CO2 Emissions
306 g/mi (NEFZ)
Practical Convenience
420i Cabrio
330i 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
