The Comparative Analysis :
BMW 420i Cabrio Steptronic (17 - ..) vs. BMW M4 Cabrio Competition (17 - 18)
€ 50,800
€ 91,900
€ 50,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 420i Cabrio is a little smaller in every dimension. It's 3.3 cm shorter, 4.5 cm narrower and 0.8 cm lower than the M4 Cabrio Competition Pack.
420i Cabrio
M4 Cabrio Competition Pack
1384
1825
2017
1392
1870
2014
1825 mm
Width
1870 mm
2017 mm
Width Incl. Mirrors
2014 mm
1384 mm
Height
1392 mm
2810
4638
2812
4671
4638 mm
Length
4671 mm
2810 mm
Wheelbase
2812 mm
Vehicle Weight
420i Cabrio
M4 Cabrio Competition Pack
1790 kg
Kerb Weight
1840 kg
2185 kg
Gross Vehicle
Weight
Weight
2250 kg
Weight Difference:
50 kg
2.72 %
General
420i Cabrio
M4 Cabrio Competition Pack
F33
Generation
F83
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
6-speed manual transmission
Engine
420i Cabrio
M4 Cabrio Competition Pack
Straight-four petrol engine with turbocharger
Engine Type
Straight-six petrol engine with two turbochargers (biturbo)
BMW B48
Engine Series
BMW S55
B48-B20
Engine Code
S55-B30
4
Valves
4
4
Cylinders
6
1998 CC
Engine Capacity
2979 CC
181 bhp
at 5000 rpm
Power
444 bhp
at 7000 rpm
420i Cabrio
181 bhp
444 bhp
M4 Cabrio Competition Pack
270 NM
at 1350 rpm
Max. Torque
550 NM
at 1850 rpm
420i Cabrio
270 NM
550 NM
M4 Cabrio Competition Pack
Performance
420i Cabrio
M4 Cabrio Competition Pack
143 mph
Maximum Speed
155 mph
8.4 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
117 m
0.000 sec
420i Cabrio
62 mph
62
mph
mph
63 m
0.000 sec
M4 Cabrio Competition Pack
▶ REPLAY
9.89 kg/bhp
Weight-to-Power Ratio
4.14 kg/bhp
420i Cabrio
9.89 kg/bhp
4.14 kg/bhp
M4 Cabrio Competition Pack
Fuel Economy / Emissions
420i Cabrio
M4 Cabrio Competition Pack
Fuel Economy
45 mpg
combined
30 mpg
420i Cabrio
45 mpg
30 mpg
M4 Cabrio Competition Pack
38 mpg
city
22 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
60 L
592 mi
Range
393 mi
420i Cabrio
592 mi
393 mi
M4 Cabrio Competition Pack
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).
179.9 kWh
420i Cabrio
119.4 kWh
179.9 kWh
M4 Cabrio Competition Pack
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
179 g/km (WLTP)
CO2 Emissions
218 g/km (NEFZ)
Practical Convenience
420i Cabrio
M4 Cabrio Competition Pack
2
Doors
2
4
No. of Seats
4
395 kg
Maximum Payload
410 kg
370 L
Boot Capacity
370 L
No data
Boot Capacity (Seats Down)
No data
