The Comparative Analysis :

BMW 420i Cabrio (16 - 17) vs. BMW M4 Cabrio M DKG (14 - 17)

€ 44,700
BMW 420i Cabrio (16 - 17) 420i Cabrio
€ 83,600
 BMW M4 Cabrio M DKG (14 - 17) M4 Cabrio
€ 44,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,600

ⓘ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 0.2 cm lower than the M4 Cabrio.
420i Cabrio
M4 Cabrio
1384
Blueprint BMW 420i Cabrio (16 - 17)
1825
2017
1386
Blueprint BMW M4 Cabrio M DKG (14 - 17)
1870
2014
1825 mm
Width
1870 mm
2017 mm
Width Incl. Mirrors
2014 mm
1384 mm
Height
1386 mm
Blueprint BMW 420i Cabrio (16 - 17)
2810
4638
Blueprint BMW M4 Cabrio M DKG (14 - 17)
2812
4671
4638 mm
Length
4671 mm
2810 mm
Wheelbase
2812 mm

Vehicle Weight

420i Cabrio
M4 Cabrio
1775 kg
Kerb Weight
1865 kg
2170 kg
Gross Vehicle
Weight
2250 kg
BMW 420i Cabrio (16 - 17)
Weight Difference:
90 kg
4.83 %
BMW M4 Cabrio M DKG (14 - 17)

General

420i Cabrio
M4 Cabrio
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
6-speed manual transmission
Transmission
7-speed dual clutch transmission

Engine

420i Cabrio
M4 Cabrio
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
1997 CC
Engine Capacity
2979 CC
181 bhp
at 5000 rpm
Power
425 bhp
at 5500 rpm
420i Cabrio
181 bhp
425 bhp
M4 Cabrio
270 NM
at 1350 rpm
Max. Torque
550 NM
at 1850 rpm
420i Cabrio
270 NM
550 NM
M4 Cabrio

Performance

420i Cabrio
M4 Cabrio
143 mph
Maximum Speed
155 mph
8.2 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

114 m
0.000 sec

420i Cabrio

62 mph 62
mph

61 m
0.000 sec

M4 Cabrio

▶ REPLAY
9.81 kg/bhp
Weight-to-Power Ratio
4.39 kg/bhp
420i Cabrio
9.81 kg/bhp
4.39 kg/bhp
M4 Cabrio

Fuel Economy / Emissions

420i Cabrio
M4 Cabrio
Fuel Economy
46 mpg
combined
32 mpg
420i Cabrio
46 mpg
32 mpg
M4 Cabrio
35 mpg
city
25 mpg
No data
motorway
No data
Kraftstoffanzeige
60 L
Fuel Tank Capacity
60 L
Kraftstoffanzeige
601 mi
Range
429 mi
420i Cabrio
601 mi
429 mi
M4 Cabrio
Environmental Impact
117.5 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).
164.8 kWh
420i Cabrio
117.5 kWh
164.8 kWh
M4 Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
145 g/km (NEFZ)
CO2 Emissions
203 g/km (NEFZ)

Practical Convenience

420i Cabrio
M4 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