The Comparative Analysis :

BMW 420d Convertible Steptronic (15 - 17) vs. BMW 428i Convertible xDrive Steptronic (14 - 15)

€ 50,100
BMW 420d Convertible Steptronic (15 - 17) 420d Cabrio
€ 52,900
 BMW 428i Convertible xDrive Steptronic (14 - 15) 428i Cabrio
€ 50,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same length and width, but the 420d Cabrio is 0.6 inches lower.
420d Cabrio
428i Cabrio
54.5
Blueprint BMW 420d Convertible Steptronic (15 - 17)
71.9
79.4
55.1
Blueprint BMW 428i Convertible xDrive Steptronic (14 - 15)
71.9
79.4
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
54.5 in
Height
55.1 in
Blueprint BMW 420d Convertible Steptronic (15 - 17)
110.6
182.6
Blueprint BMW 428i Convertible xDrive Steptronic (14 - 15)
110.6
182.6
182.6 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in

Vehicle Weight

420d Cabrio
428i Cabrio
3946 lb
Curb Weight
4068 lb
4817 lb
Gross Vehicle
Weight
4894 lb
BMW 420d Convertible Steptronic (15 - 17)
Weight Difference:
121 lb
2.97 %
BMW 428i Convertible xDrive Steptronic (14 - 15)

General

420d Cabrio
428i Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

420d Cabrio
428i Cabrio
Straight-four diesel engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW B47
Engine Series
BMW N20
B47-D20
Engine Code
N20-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
187 hp
at 4000 rpm
Power
242 hp
at 5000 rpm
420d Cabrio
187 hp
242 hp
428i Cabrio
295 lb‑ft
at 1750 rpm
Max. Torque
258 lb‑ft
at 1250 rpm
420d Cabrio
295 lb‑ft
258 lb‑ft
428i Cabrio

Performance

420d Cabrio
428i Cabrio
142 mph
Maximum Speed
155 mph
8 sec
Acceleration 0 to 62 mph
6.5 sec
62 mph 62
mph

364 ft
0.000 sec

420d Cabrio

62 mph 62
mph

295 ft
0.000 sec

428i Cabrio

▶ REPLAY
21.1 lb/hp
Weight-to-Power Ratio
16.81 lb/hp
420d Cabrio
21.1 lb/hp
16.81 lb/hp
428i Cabrio

Fuel Economy / Emissions

420d Cabrio
428i Cabrio
Fuel Economy
53 mpg
combined
34 mpg
420d Cabrio
53 mpg
34 mpg
428i Cabrio
45 mpg
city
26 mpg
No data
highway
No data
Kraftstoffanzeige
15.1 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
805 mi
Range
533 mi
420d Cabrio
805 mi
533 mi
428i Cabrio
Environmental Impact
90.4 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).
132.6 kWh
420d Cabrio
90.4 kWh
132.6 kWh
428i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
187 g/mi (NEFZ)
CO2 Emissions
262 g/mi (NEFZ)

Practical Convenience

420d Cabrio
428i Cabrio
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
827 lb
10.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data