The Comparative Analysis :
BMW 420d Convertible (17 - 19) vs. BMW 420i Convertible Steptronic (16 - 17)
€ 51,700

€ 46,900

€ 51,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the 420d Cabrio and the 420i Cabrio are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.5 inches tall.
420d Cabrio
420i 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
420d Cabrio
420i Cabrio
4023 lb
Curb Weight
3946 lb
4883 lb
Gross Vehicle
Weight
Weight
4817 lb

Weight Difference:
77 lb
1.91 %

General
420d Cabrio
420i Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
420d Cabrio
420i Cabrio
Straight-four diesel engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW B47
Engine Series
BMW B48
B47-D20
Engine Code
B48-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
187 hp
at 4000 rpm
Power
181 hp
at 5000 rpm
420d Cabrio
187 hp
181 hp
420i Cabrio
295 lb‑ft
at 1750 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
420d Cabrio
295 lb‑ft
199 lb‑ft
420i Cabrio
Performance
420d Cabrio
420i Cabrio
146 mph
Maximum Speed
143 mph
8.2 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph
62
mph
mph
374 ft
0.000 sec

420d Cabrio
62 mph
62
mph
mph
384 ft
0.000 sec

420i Cabrio
▶ REPLAY
21.51 lb/hp
Weight-to-Power Ratio
21.8 lb/hp
420d Cabrio
21.51 lb/hp
21.8 lb/hp
420i Cabrio
Fuel Economy / Emissions
420d Cabrio
420i Cabrio
Fuel Economy
46 mpg
combined
41 mpg
420d Cabrio
46 mpg
41 mpg
420i Cabrio
38 mpg
city
31 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
15.9 gal
695 mi
Range
642 mi
420d Cabrio
695 mi
642 mi
420i Cabrio
Environmental Impact
104.9 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).
109.9 kWh
420d Cabrio
104.9 kWh
109.9 kWh
420i Cabrio
Euro 6c (WLTP)
Emission Standard
Euro 6b (NEFZ)
248 g/mi (WLTP)
CO2 Emissions
219 g/mi (NEFZ)
Practical Convenience
420d Cabrio
420i Cabrio
2
Doors
2
4
No. of Seats
4
860 lb
Maximum Payload
871 lb
10.5 cu ft
Trunk Volume
10.5 cu ft










No data
Cargo Volume (Seats Down)
No data