The Comparative Analysis :
BMW 420d Cabrio (15 - 17) vs. BMW M4 Cabrio Competition (18 - 19)
€ 47,900

€ 92,100

€ 47,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 92,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 420d 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.
420d 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
420d Cabrio
M4 Cabrio Competition Pack
1775 kg
Kerb Weight
1865 kg
2170 kg
Gross Vehicle
Weight
Weight
2250 kg

Weight Difference:
90 kg
4.83 %

General
420d Cabrio
M4 Cabrio Competition Pack
F33
Generation
F83
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
420d Cabrio
M4 Cabrio Competition Pack
Straight-four diesel engine with turbocharger
Engine Type
Straight-six petrol engine with two turbochargers (biturbo)
BMW B47
Engine Series
BMW S55
B47-D20
Engine Code
S55-B30

4
Valves
4
4
Cylinders
6
1995 CC
Engine Capacity
2979 CC
187 bhp
at 4000 rpm
Power
444 bhp
at 7000 rpm
420d Cabrio
187 bhp
444 bhp
M4 Cabrio Competition Pack
400 NM
at 1750 rpm
Max. Torque
550 NM
at 2350 rpm
420d Cabrio
400 NM
550 NM
M4 Cabrio Competition Pack
Performance
420d Cabrio
M4 Cabrio Competition Pack
146 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
113 m
0.000 sec

420d Cabrio
62 mph
62
mph
mph
63 m
0.000 sec

M4 Cabrio Competition Pack
▶ REPLAY
9.49 kg/bhp
Weight-to-Power Ratio
4.2 kg/bhp
420d Cabrio
9.49 kg/bhp
4.2 kg/bhp
M4 Cabrio Competition Pack
Fuel Economy / Emissions
420d Cabrio
M4 Cabrio Competition Pack
Fuel Economy
59 mpg
combined
28 mpg
420d Cabrio
59 mpg
28 mpg
M4 Cabrio Competition Pack
50 mpg
city
22 mpg
No data
motorway
No data
57 L
Fuel Tank Capacity
60 L
738 mi
Range
369 mi
420d Cabrio
738 mi
369 mi
M4 Cabrio Competition Pack
Environmental Impact
98.8 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).
191.4 kWh
420d Cabrio
98.8 kWh
191.4 kWh
M4 Cabrio Competition Pack
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
127 g/km (NEFZ)
CO2 Emissions
238 g/km (WLTP)
Practical Convenience
420d Cabrio
M4 Cabrio Competition Pack
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