The Comparative Analysis :
BMW 420d Convertible Steptronic (15 - 17) vs. BMW 320d Convertible Automatic (10 - 14)
€ 50,100
€ 47,000
€ 50,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 47,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. Both cars are the same height, but the 420d Cabrio is an inch longer and 1.7 inches wider.
420d Cabrio
320d Cabrio
54.5
71.9
79.4
54.5
70.2
78.1
71.9 in
Width
70.2 in
79.4 in
Width Incl. Mirrors
78.1 in
54.5 in
Height
54.5 in
110.6
182.6
108.7
181.6
182.6 in
Length
181.6 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
420d Cabrio
320d Cabrio
3946 lb
Curb Weight
3847 lb
4817 lb
Gross Vehicle
Weight
Weight
4630 lb
Weight Difference:
99 lb
2.51 %
General
420d Cabrio
320d Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
420d Cabrio
320d Cabrio
Straight-four diesel engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
BMW B47
Engine Series
BMW N47
B47-D20
Engine Code
N47-D20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
187 hp
at 4000 rpm
Power
181 hp
at 4000 rpm
420d Cabrio
187 hp
181 hp
320d Cabrio
295 lb‑ft
at 1750 rpm
Max. Torque
280 lb‑ft
at 1900 rpm
420d Cabrio
295 lb‑ft
280 lb‑ft
320d Cabrio
Performance
420d Cabrio
320d Cabrio
142 mph
Maximum Speed
140 mph
8 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph
62
mph
mph
364 ft
0.000 sec
420d Cabrio
62 mph
62
mph
mph
384 ft
0.000 sec
320d Cabrio
▶ REPLAY
21.1 lb/hp
Weight-to-Power Ratio
21.25 lb/hp
420d Cabrio
21.1 lb/hp
21.25 lb/hp
320d Cabrio
Fuel Economy / Emissions
420d Cabrio
320d Cabrio
Fuel Economy
53 mpg
combined
42 mpg
420d Cabrio
53 mpg
42 mpg
320d Cabrio
45 mpg
city
33 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
16.1 gal
805 mi
Range
677 mi
420d Cabrio
805 mi
677 mi
320d 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).
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).
115.2 kWh
420d Cabrio
90.4 kWh
115.2 kWh
320d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
187 g/mi (NEFZ)
CO2 Emissions
240 g/mi (NEFZ)
Practical Convenience
420d Cabrio
320d Cabrio
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
