The Comparative Analysis :
BMW 420d Convertible Steptronic (17 - ..) vs. BMW 320d Convertible (08 - 10)
€ 53,900
€ 44,300
€ 53,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 44,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. Both cars are the same height, but the 420d Cabrio is 2.3 inches 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
180.3
182.6 in
Length
180.3 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
420d Cabrio
320d Cabrio
4057 lb
Curb Weight
3814 lb
4916 lb
Gross Vehicle
Weight
Weight
4597 lb
Weight Difference:
243 lb
5.99 %
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 manual 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
175 hp
at 4000 rpm
420d Cabrio
187 hp
175 hp
320d Cabrio
295 lb‑ft
at 1750 rpm
Max. Torque
258 lb‑ft
at 2000 rpm
420d Cabrio
295 lb‑ft
258 lb‑ft
320d Cabrio
Performance
420d Cabrio
320d Cabrio
142 mph
Maximum Speed
139 mph
8.1 sec
Acceleration 0 to 62 mph
8.6 sec
62 mph
62
mph
mph
371 ft
0.000 sec
420d Cabrio
62 mph
62
mph
mph
390 ft
0.000 sec
320d Cabrio
▶ REPLAY
21.7 lb/hp
Weight-to-Power Ratio
21.79 lb/hp
420d Cabrio
21.7 lb/hp
21.79 lb/hp
320d Cabrio
Fuel Economy / Emissions
420d Cabrio
320d Cabrio
Fuel Economy
49 mpg
combined
44 mpg
420d Cabrio
49 mpg
44 mpg
320d Cabrio
44 mpg
city
34 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
16.1 gal
738 mi
Range
715 mi
420d Cabrio
738 mi
715 mi
320d Cabrio
Environmental Impact
98.8 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).
109.1 kWh
420d Cabrio
98.8 kWh
109.1 kWh
320d Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
251 g/mi (WLTP)
CO2 Emissions
225 g/mi (NEFZ)
Practical Convenience
420d Cabrio
320d Cabrio
2
Doors
2
4
No. of Seats
4
860 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
