The Comparative Analysis :
BMW 420i Convertible (16 - 17) vs. BMW 425d Convertible Steptronic (16 - 17)
€ 44,700

€ 54,100

€ 44,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the 420i Cabrio and the 425d Cabrio are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.5 inches tall.
420i Cabrio
425d 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
420i Cabrio
425d Cabrio
3913 lb
Curb Weight
4012 lb
4784 lb
Gross Vehicle
Weight
Weight
4938 lb

Weight Difference:
99 lb
2.47 %

General
420i Cabrio
425d 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
8-speed automatic transmission
Engine
420i Cabrio
425d Cabrio
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
BMW B48
Engine Series
BMW B47
B48-B20
Engine Code
B47-D20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
221 hp
at 4400 rpm
420i Cabrio
181 hp
221 hp
425d Cabrio
199 lb‑ft
at 1350 rpm
Max. Torque
332 lb‑ft
at 1500 rpm
420i Cabrio
199 lb‑ft
332 lb‑ft
425d Cabrio
Performance
420i Cabrio
425d Cabrio
143 mph
Maximum Speed
150 mph
8.2 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph
62
mph
mph
374 ft
0.000 sec

420i Cabrio
62 mph
62
mph
mph
305 ft
0.000 sec

425d Cabrio
▶ REPLAY
21.62 lb/hp
Weight-to-Power Ratio
18.15 lb/hp
420i Cabrio
21.62 lb/hp
18.15 lb/hp
425d Cabrio
Fuel Economy / Emissions
420i Cabrio
425d Cabrio
Fuel Economy
38 mpg
combined
49 mpg
420i Cabrio
38 mpg
49 mpg
425d Cabrio
29 mpg
city
43 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
15.1 gal
601 mi
Range
738 mi
420i Cabrio
601 mi
738 mi
425d Cabrio
Environmental Impact
117.5 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).
98.8 kWh
420i Cabrio
117.5 kWh
98.8 kWh
425d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
233 g/mi (NEFZ)
CO2 Emissions
204 g/mi (NEFZ)
Practical Convenience
420i Cabrio
425d Cabrio
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
926 lb
10.5 cu ft
Trunk Volume
10.5 cu ft










No data
Cargo Volume (Seats Down)
No data