The Comparative Analysis :

BMW 428i Convertible Steptronic (14 - 15) vs. BMW 440i Convertible xDrive Steptronic (16 - 17)

€ 50,400
BMW 428i Convertible Steptronic (14 - 15) 428i Cabrio
€ 60,900
 BMW 440i Convertible xDrive Steptronic (16 - 17) 440i Cabrio
€ 50,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 60,900

ⓘ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 428i Cabrio is 0.6 inches lower.
428i Cabrio
440i Cabrio
54.5
Blueprint BMW 428i Convertible Steptronic (14 - 15)
71.9
79.4
55.1
Blueprint BMW 440i Convertible xDrive Steptronic (16 - 17)
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 428i Convertible Steptronic (14 - 15)
110.6
182.6
Blueprint BMW 440i Convertible xDrive Steptronic (16 - 17)
110.6
182.6
182.6 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in

Vehicle Weight

428i Cabrio
440i Cabrio
3913 lb
Curb Weight
4244 lb
4762 lb
Gross Vehicle
Weight
5071 lb
BMW 428i Convertible Steptronic (14 - 15)
Weight Difference:
331 lb
7.8 %
BMW 440i Convertible xDrive Steptronic (16 - 17)

General

428i Cabrio
440i Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

428i Cabrio
440i Cabrio
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with tur­bo­charger
BMW N20
Engine Series
BMW B58
N20-B20
Engine Code
B58-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
242 hp
at 5000 rpm
Power
322 hp
at 5500 rpm
428i Cabrio
242 hp
322 hp
440i Cabrio
258 lb‑ft
at 1250 rpm
Max. Torque
332 lb‑ft
at 1380 rpm
428i Cabrio
258 lb‑ft
332 lb‑ft
440i Cabrio

Performance

428i Cabrio
440i Cabrio
155 mph
Maximum Speed
155 mph
6.4 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

292 ft
0.000 sec

428i Cabrio

62 mph 62
mph

246 ft
0.000 sec

440i Cabrio

▶ REPLAY
16.17 lb/hp
Weight-to-Power Ratio
13.18 lb/hp
428i Cabrio
16.17 lb/hp
13.18 lb/hp
440i Cabrio

Fuel Economy / Emissions

428i Cabrio
440i Cabrio
Fuel Economy
36 mpg
combined
32 mpg
428i Cabrio
36 mpg
32 mpg
440i Cabrio
27 mpg
city
24 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
565 mi
Range
511 mi
428i Cabrio
565 mi
511 mi
440i Cabrio
Environmental Impact
125 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).
138.2 kWh
428i Cabrio
125 kWh
138.2 kWh
440i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
248 g/mi (NEFZ)
CO2 Emissions
272 g/mi (NEFZ)

Practical Convenience

428i Cabrio
440i Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
827 lb
10.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data