The Comparative Analysis :
BMW 420d Convertible Steptronic (17 - ..) vs. BMW 320i Convertible Automatic (10 - 14)
€ 53,900
€ 43,700
€ 53,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,700
ⓘ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
320i 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
320i Cabrio
4057 lb
Curb Weight
3748 lb
4916 lb
Gross Vehicle
Weight
Weight
4530 lb
Weight Difference:
309 lb
7.62 %
General
420d Cabrio
320i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
420d Cabrio
320i Cabrio
Straight-four diesel engine with turbocharger
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW B47
Engine Series
BMW N43
B47-D20
Engine Code
N43-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
187 hp
at 4000 rpm
Power
168 hp
at 6700 rpm
420d Cabrio
187 hp
168 hp
320i Cabrio
295 lb‑ft
at 1750 rpm
Max. Torque
155 lb‑ft
at 4250 rpm
420d Cabrio
295 lb‑ft
155 lb‑ft
320i Cabrio
Performance
420d Cabrio
320i Cabrio
142 mph
Maximum Speed
140 mph
8.1 sec
Acceleration 0 to 62 mph
9.8 sec
62 mph
62
mph
mph
371 ft
0.000 sec
420d Cabrio
62 mph
62
mph
mph
446 ft
0.000 sec
320i Cabrio
▶ REPLAY
21.7 lb/hp
Weight-to-Power Ratio
22.31 lb/hp
420d Cabrio
21.7 lb/hp
22.31 lb/hp
320i Cabrio
Fuel Economy / Emissions
420d Cabrio
320i Cabrio
Fuel Economy
49 mpg
combined
32 mpg
420d Cabrio
49 mpg
32 mpg
320i Cabrio
44 mpg
city
24 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
16.6 gal
738 mi
Range
536 mi
420d Cabrio
738 mi
536 mi
320i 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).
138.2 kWh
420d Cabrio
98.8 kWh
138.2 kWh
320i Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
251 g/mi (WLTP)
CO2 Emissions
272 g/mi (NEFZ)
Practical Convenience
420d Cabrio
320i 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
