The Comparative Analysis :
BMW 420i Cabrio Steptronic (16 - 17) vs. BMW 428i Cabrio Steptronic (14 - 15)
€ 46,900
€ 50,400
€ 46,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the 420i Cabrio and the 428i Cabrio are absolutely identical. Both are 4638 mm long, 1825 mm wide and 1384 mm tall.
420i Cabrio
428i Cabrio
1384
1825
2017
1384
1825
2017
1825 mm
Width
1825 mm
2017 mm
Width Incl. Mirrors
2017 mm
1384 mm
Height
1384 mm
2810
4638
2810
4638
4638 mm
Length
4638 mm
2810 mm
Wheelbase
2810 mm
Vehicle Weight
420i Cabrio
428i Cabrio
1790 kg
Kerb Weight
1775 kg
2185 kg
Gross Vehicle
Weight
Weight
2160 kg
Weight Difference:
15 kg
0.84 %
General
420i Cabrio
428i Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
420i Cabrio
428i Cabrio
Straight-four petrol engine with turbocharger
Engine Type
Straight-four petrol engine with turbocharger
BMW B48
Engine Series
BMW N20
B48-B20
Engine Code
N20-B20
4
Valves
4
4
Cylinders
4
1997 CC
Engine Capacity
1997 CC
181 bhp
at 5000 rpm
Power
242 bhp
at 5000 rpm
420i Cabrio
181 bhp
242 bhp
428i Cabrio
270 NM
at 1350 rpm
Max. Torque
350 NM
at 1250 rpm
420i Cabrio
270 NM
350 NM
428i Cabrio
Performance
420i Cabrio
428i Cabrio
143 mph
Maximum Speed
155 mph
8.4 sec
Acceleration 0 to 62 mph
6.4 sec
62 mph
62
mph
mph
117 m
0.000 sec
420i Cabrio
62 mph
62
mph
mph
89 m
0.000 sec
428i Cabrio
▶ REPLAY
9.89 kg/bhp
Weight-to-Power Ratio
7.33 kg/bhp
420i Cabrio
9.89 kg/bhp
7.33 kg/bhp
428i Cabrio
Fuel Economy / Emissions
420i Cabrio
428i Cabrio
Fuel Economy
49 mpg
combined
43 mpg
420i Cabrio
49 mpg
43 mpg
428i Cabrio
37 mpg
city
33 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
60 L
642 mi
Range
565 mi
420i Cabrio
642 mi
565 mi
428i Cabrio
Environmental Impact
109.9 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).
125 kWh
420i Cabrio
109.9 kWh
125 kWh
428i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
136 g/km (NEFZ)
CO2 Emissions
154 g/km (NEFZ)
Practical Convenience
420i Cabrio
428i Cabrio
2
Doors
2
4
No. of Seats
4
395 kg
Maximum Payload
385 kg
370 L
Boot Capacity
370 L
No data
Boot Capacity (Seats Down)
No data
