The Comparative Analysis :
BMW 440i Convertible Steptronic (17 - ..) vs. BMW 420d Convertible (14 - 15)
€ 65,900
€ 46,300
€ 65,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the 440i Cabrio and the 420d Cabrio are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.5 inches tall.
440i Cabrio
420d Cabrio
54.5
71.9
79.4
54.5
71.9
79.4
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
54.5 in
Height
54.5 in
110.6
182.6
110.6
182.6
182.6 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in
Vehicle Weight
440i Cabrio
420d Cabrio
4068 lb
Curb Weight
3704 lb
4916 lb
Gross Vehicle
Weight
Weight
4740 lb
Weight Difference:
364 lb
8.95 %
General
440i Cabrio
420d Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
440i Cabrio
420d Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
BMW B58
Engine Series
BMW N47
B58-B30
Engine Code
N47-D20


4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
322 hp
at 5500 rpm
Power
181 hp
at 4000 rpm
440i Cabrio
322 hp
181 hp
420d Cabrio
332 lb‑ft
at 1380 rpm
Max. Torque
280 lb‑ft
at 1750 rpm
440i Cabrio
332 lb‑ft
280 lb‑ft
420d Cabrio
Performance
440i Cabrio
420d Cabrio
155 mph
Maximum Speed
146 mph
5.4 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph
62
mph
mph
246 ft
0.000 sec
440i Cabrio
62 mph
62
mph
mph
374 ft
0.000 sec
420d Cabrio
▶ REPLAY
12.63 lb/hp
Weight-to-Power Ratio
20.46 lb/hp
440i Cabrio
12.63 lb/hp
20.46 lb/hp
420d Cabrio
Fuel Economy / Emissions
440i Cabrio
420d Cabrio
Fuel Economy
32 mpg
combined
46 mpg
440i Cabrio
32 mpg
46 mpg
420d Cabrio
25 mpg
city
39 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.1 gal
504 mi
Range
695 mi
440i Cabrio
504 mi
695 mi
420d Cabrio
Environmental Impact
140.2 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
440i Cabrio
140.2 kWh
104.9 kWh
420d Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
335 g/mi (WLTP)
CO2 Emissions
214 g/mi (NEFZ)
Practical Convenience
440i Cabrio
420d Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
1036 lb
10.5 cu ft
Trunk Volume
10.5 cu ft










No data
Cargo Volume (Seats Down)
No data
















