The Comparative Analysis :
BMW M4 Convertible M DKG (14 - 17) vs. BMW 420d Convertible (17 - 19)
€ 83,600
€ 51,700
€ 83,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 51,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The M4 Cabrio is a little bigger in every dimension. It's 1.3 inches longer, 1.8 inches wider and 0.1 inches taller than the 420d Cabrio.
M4 Cabrio
420d Cabrio
54.6
73.6
79.3
54.5
71.9
79.4
73.6 in
Width
71.9 in
79.3 in
Width Incl. Mirrors
79.4 in
54.6 in
Height
54.5 in
110.7
183.9
110.6
182.6
183.9 in
Length
182.6 in
110.7 in
Wheelbase
110.6 in
Vehicle Weight
M4 Cabrio
420d Cabrio
4112 lb
Curb Weight
4023 lb
4960 lb
Gross Vehicle
Weight
Weight
4883 lb
Weight Difference:
88 lb
2.14 %
General
M4 Cabrio
420d Cabrio
F83
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed dual clutch transmission
Transmission
6-speed manual transmission
Engine
M4 Cabrio
420d Cabrio
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four diesel engine with turbocharger
BMW S55
Engine Series
BMW B47
S55-B30
Engine Code
B47-D20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
425 hp
at 5500 rpm
Power
187 hp
at 4000 rpm
M4 Cabrio
425 hp
187 hp
420d Cabrio
406 lb‑ft
at 1850 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
M4 Cabrio
406 lb‑ft
295 lb‑ft
420d Cabrio
Performance
M4 Cabrio
420d Cabrio
155 mph
Maximum Speed
146 mph
4.4 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph
62
mph
mph
200 ft
0.000 sec
M4 Cabrio
62 mph
62
mph
mph
374 ft
0.000 sec
420d Cabrio
▶ REPLAY
9.68 lb/hp
Weight-to-Power Ratio
21.51 lb/hp
M4 Cabrio
9.68 lb/hp
21.51 lb/hp
420d Cabrio
Fuel Economy / Emissions
M4 Cabrio
420d Cabrio
Fuel Economy
27 mpg
combined
46 mpg
M4 Cabrio
27 mpg
46 mpg
420d Cabrio
20 mpg
city
38 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.1 gal
429 mi
Range
695 mi
M4 Cabrio
429 mi
695 mi
420d Cabrio
Environmental Impact
164.8 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).
104.9 kWh
M4 Cabrio
164.8 kWh
104.9 kWh
420d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6c (WLTP)
327 g/mi (NEFZ)
CO2 Emissions
248 g/mi (WLTP)
Practical Convenience
M4 Cabrio
420d Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
860 lb
10.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data
