The Comparative Analysis :
BMW 428i Convertible (14 - 15) vs. BMW 420d Convertible (14 - 15)
€ 48,200

€ 46,300

€ 48,200
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 428i Cabrio and the 420d Cabrio are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.5 inches tall.
428i 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
428i Cabrio
420d Cabrio
3869 lb
Curb Weight
3704 lb
4718 lb
Gross Vehicle
Weight
Weight
4740 lb

Weight Difference:
165 lb
4.26 %

General
428i Cabrio
420d Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
428i Cabrio
420d Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
BMW N20
Engine Series
BMW N47
N20-B20
Engine Code
N47-D20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
181 hp
at 4000 rpm
428i Cabrio
242 hp
181 hp
420d Cabrio
258 lb‑ft
at 1250 rpm
Max. Torque
280 lb‑ft
at 1750 rpm
428i Cabrio
258 lb‑ft
280 lb‑ft
420d Cabrio
Performance
428i Cabrio
420d Cabrio
155 mph
Maximum Speed
146 mph
6.4 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph
62
mph
mph
292 ft
0.000 sec

428i Cabrio
62 mph
62
mph
mph
374 ft
0.000 sec

420d Cabrio
▶ REPLAY
15.99 lb/hp
Weight-to-Power Ratio
20.46 lb/hp
428i Cabrio
15.99 lb/hp
20.46 lb/hp
420d Cabrio
Fuel Economy / Emissions
428i Cabrio
420d Cabrio
Fuel Economy
35 mpg
combined
46 mpg
428i Cabrio
35 mpg
46 mpg
420d Cabrio
27 mpg
city
39 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.1 gal
548 mi
Range
695 mi
428i Cabrio
548 mi
695 mi
420d Cabrio
Environmental Impact
128.7 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
428i Cabrio
128.7 kWh
104.9 kWh
420d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
256 g/mi (NEFZ)
CO2 Emissions
214 g/mi (NEFZ)
Practical Convenience
428i 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