The Comparative Analysis :

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

€ 52,900
BMW 428i Convertible xDrive Steptronic (14 - 15) 428i Cabrio
€ 48,500
 BMW 420d Convertible Steptronic (14 - 15) 420d Cabrio
€ 52,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 48,500

ⓘ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 428i Cabrio is 0.6 inches taller.
428i Cabrio
420d Cabrio
55.1
Blueprint BMW 428i Convertible xDrive Steptronic (14 - 15)
71.9
79.4
54.5
Blueprint BMW 420d Convertible Steptronic (14 - 15)
71.9
79.4
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.4 in
55.1 in
Height
54.5 in
Blueprint BMW 428i Convertible xDrive Steptronic (14 - 15)
110.6
182.6
Blueprint BMW 420d Convertible Steptronic (14 - 15)
110.6
182.6
182.6 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in

Vehicle Weight

428i Cabrio
420d Cabrio
4068 lb
Curb Weight
3869 lb
4894 lb
Gross Vehicle
Weight
4762 lb
BMW 428i Convertible xDrive Steptronic (14 - 15)
Weight Difference:
198 lb
4.87 %
BMW 420d Convertible Steptronic (14 - 15)

General

428i Cabrio
420d Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic 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
142 mph
6.5 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph 62
mph

295 ft
0.000 sec

428i Cabrio

62 mph 62
mph

374 ft
0.000 sec

420d Cabrio

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

Fuel Economy / Emissions

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

Practical Convenience

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