The Comparative Analysis :
BMW 430i Convertible xDrive Steptronic (17 - ..) vs. BMW 420i Convertible Steptronic (17 - ..)
€ 58,400

€ 50,800

€ 58,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same length and width, but the 430i Cabrio is 0.6 inches taller.
430i Cabrio
420i Cabrio
55.1
71.9
79.4
54.5
71.9
79.4
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
55.1 in
Height
54.5 in
110.6
182.6
110.6
182.6
182.6 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in
Vehicle Weight
430i Cabrio
420i Cabrio
4145 lb
Curb Weight
3946 lb
4971 lb
Gross Vehicle
Weight
Weight
4817 lb

Weight Difference:
198 lb
4.78 %

General
430i Cabrio
420i Cabrio
F33
Generation
F33
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
8-speed automatic transmission
Engine
430i Cabrio
420i Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW B48
Engine Series
BMW B48
B48-B20
Engine Code
B48-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
249 hp
at 5200 rpm
Power
181 hp
at 5000 rpm
430i Cabrio
249 hp
181 hp
420i Cabrio
258 lb‑ft
at 1450 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
430i Cabrio
258 lb‑ft
199 lb‑ft
420i Cabrio
Performance
430i Cabrio
420i Cabrio
155 mph
Maximum Speed
143 mph
6.4 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph
62
mph
mph
292 ft
0.000 sec

430i Cabrio
62 mph
62
mph
mph
384 ft
0.000 sec

420i Cabrio
▶ REPLAY
16.65 lb/hp
Weight-to-Power Ratio
21.8 lb/hp
430i Cabrio
16.65 lb/hp
21.8 lb/hp
420i Cabrio
Fuel Economy / Emissions
430i Cabrio
420i Cabrio
Fuel Economy
34 mpg
combined
37 mpg
430i Cabrio
34 mpg
37 mpg
420i Cabrio
29 mpg
city
32 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.9 gal
541 mi
Range
592 mi
430i Cabrio
541 mi
592 mi
420i Cabrio
Environmental Impact
130.7 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).
119.4 kWh
430i Cabrio
130.7 kWh
119.4 kWh
420i Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
312 g/mi (WLTP)
CO2 Emissions
288 g/mi (WLTP)
Practical Convenience
430i Cabrio
420i Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
871 lb
10.5 cu ft
Trunk Volume
10.5 cu ft










No data
Cargo Volume (Seats Down)
No data