The Comparative Analysis :

BMW 420i Convertible (14 - 16) vs. BMW M4 Convertible Competition M DKG (18 - 19)

€ 43,900
BMW 420i Convertible (14 - 16) 420i Cabrio
€ 96,000
 BMW M4 Convertible Competition M DKG (18 - 19) M4 Convertible Competition Package
€ 43,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 96,000

ⓘ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 1.3 inches shorter, 1.8 inches narrower and 0.3 inches lower than the M4 Convertible Competition Package.
420i Cabrio
M4 Convertible Competition Package
54.5
Blueprint BMW 420i Convertible (14 - 16)
71.9
79.4
54.8
Blueprint BMW M4 Convertible Competition M DKG (18 - 19)
73.6
79.3
71.9 in
Width
73.6 in
79.4 in
Width Incl. Mirrors
79.3 in
54.5 in
Height
54.8 in
Blueprint BMW 420i Convertible (14 - 16)
110.6
182.6
Blueprint BMW M4 Convertible Competition M DKG (18 - 19)
110.7
183.9
182.6 in
Length
183.9 in
110.6 in
Wheelbase
110.7 in

Vehicle Weight

420i Cabrio
M4 Convertible Competition Package
3803 lb
Curb Weight
4167 lb
4674 lb
Gross Vehicle
Weight
4960 lb
BMW 420i Convertible (14 - 16)
Weight Difference:
364 lb
8.74 %
BMW M4 Convertible Competition M DKG (18 - 19)

General

420i Cabrio
M4 Convertible Competition Package
F33
Generation
F83
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed dual clutch transmission

Engine

420i Cabrio
M4 Convertible Competition Package
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N20
Engine Series
BMW S55
N20-B20
Engine Code
S55-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
181 hp
at 5000 rpm
Power
444 hp
at 7000 rpm
420i Cabrio
181 hp
444 hp
M4 Convertible Competition Package
199 lb‑ft
at 1250 rpm
Max. Torque
406 lb‑ft
at 2350 rpm
420i Cabrio
199 lb‑ft
406 lb‑ft
M4 Convertible Competition Package

Performance

420i Cabrio
M4 Convertible Competition Package
143 mph
Maximum Speed
155 mph
8.2 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

374 ft
0.000 sec

420i Cabrio

62 mph 62
mph

197 ft
0.000 sec

M4 Convertible Competition Package

▶ REPLAY
21.01 lb/hp
Weight-to-Power Ratio
9.39 lb/hp
420i Cabrio
21.01 lb/hp
9.39 lb/hp
M4 Convertible Competition Package

Fuel Economy / Emissions

420i Cabrio
M4 Convertible Competition Package
Fuel Economy
36 mpg
combined
25 mpg
420i Cabrio
36 mpg
25 mpg
M4 Convertible Competition Package
26 mpg
city
20 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
565 mi
Range
393 mi
420i Cabrio
565 mi
393 mi
M4 Convertible Competition Package
Environmental Impact
125 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).
179.9 kWh
420i Cabrio
125 kWh
179.9 kWh
M4 Convertible Competition Package
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
248 g/mi (NEFZ)
CO2 Emissions
372 g/mi (WLTP)

Practical Convenience

420i Cabrio
M4 Convertible Competition Package
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
794 lb
10.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data