The Comparative Analysis :

BMW 320d Convertible Automatic (08 - 10) vs. BMW 420d Convertible Steptronic (17 - ..)

€ 46,500
BMW 320d Convertible Automatic (08 - 10) 320d Cabrio
€ 53,900
 BMW 420d Convertible Steptronic (17 - ..) 420d Cabrio
€ 46,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 53,900

ⓘ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 320d Cabrio is 2.3 inches shorter and 1.7 inches narrower.
320d Cabrio
420d Cabrio
54.5
Blueprint BMW 320d Convertible Automatic (08 - 10)
70.2
78.1
54.5
Blueprint BMW 420d Convertible Steptronic (17 - ..)
71.9
79.4
70.2 in
Width
71.9 in
78.1 in
Width Incl. Mirrors
79.4 in
54.5 in
Height
54.5 in
Blueprint BMW 320d Convertible Automatic (08 - 10)
108.7
180.3
Blueprint BMW 420d Convertible Steptronic (17 - ..)
110.6
182.6
180.3 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in

Vehicle Weight

320d Cabrio
420d Cabrio
3847 lb
Curb Weight
4057 lb
4630 lb
Gross Vehicle
Weight
4916 lb
BMW 320d Convertible Automatic (08 - 10)
Weight Difference:
209 lb
5.15 %
BMW 420d Convertible Steptronic (17 - ..)

General

320d Cabrio
420d Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

320d Cabrio
420d Cabrio
Straight-four diesel engine with tur­bo­charger
Engine Type
Straight-four diesel engine with tur­bo­charger
BMW N47
Engine Series
BMW B47
N47-D20
Engine Code
B47-D20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
175 hp
at 4000 rpm
Power
187 hp
at 4000 rpm
320d Cabrio
175 hp
187 hp
420d Cabrio
258 lb‑ft
at 2000 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
320d Cabrio
258 lb‑ft
295 lb‑ft
420d Cabrio

Performance

320d Cabrio
420d Cabrio
139 mph
Maximum Speed
142 mph
8.7 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph 62
mph

397 ft
0.000 sec

320d Cabrio

62 mph 62
mph

371 ft
0.000 sec

420d Cabrio

▶ REPLAY
21.98 lb/hp
Weight-to-Power Ratio
21.7 lb/hp
320d Cabrio
21.98 lb/hp
21.7 lb/hp
420d Cabrio

Fuel Economy / Emissions

320d Cabrio
420d Cabrio
Fuel Economy
39 mpg
combined
49 mpg
320d Cabrio
39 mpg
49 mpg
420d Cabrio
31 mpg
city
44 mpg
No data
highway
No data
Kraftstoffanzeige
16.1 gal
Fuel Tank Capacity
15.1 gal
Kraftstoffanzeige
632 mi
Range
738 mi
320d Cabrio
632 mi
738 mi
420d Cabrio
Environmental Impact
123.4 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).
98.8 kWh
320d Cabrio
123.4 kWh
98.8 kWh
420d Cabrio
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
253 g/mi (NEFZ)
CO2 Emissions
251 g/mi (WLTP)

Practical Convenience

320d Cabrio
420d Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
860 lb
9.9 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data