The Comparative Analysis :

BMW 420i Convertible Steptronic (17 - ..) vs. BMW 420i Convertible (17 - 18)

€ 50,800
BMW 420i Convertible Steptronic (17 - ..) 420i Cabrio Steptronic
€ 48,500
 BMW 420i Convertible (17 - 18) 420i Cabrio
€ 50,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 48,500

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of the 420i Cabrio Steptronic and the 420i Cabrio are absolutely identical. Both are 182.6 inches long, 71.9 inches wide and 54.5 inches tall.
420i Cabrio Steptronic
420i Cabrio
54.5
Blueprint BMW 420i Convertible Steptronic (17 - ..)
71.9
79.4
54.5
Blueprint BMW 420i Convertible (17 - 18)
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
Blueprint BMW 420i Convertible Steptronic (17 - ..)
110.6
182.6
Blueprint BMW 420i Convertible (17 - 18)
110.6
182.6
182.6 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in

Vehicle Weight

420i Cabrio Steptronic
420i Cabrio
3946 lb
Curb Weight
3913 lb
4817 lb
Gross Vehicle
Weight
4784 lb
BMW 420i Convertible Steptronic (17 - ..)
Weight Difference:
33 lb
0.84 %
BMW 420i Convertible (17 - 18)

General

420i Cabrio Steptronic
420i Cabrio
F33
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

420i Cabrio Steptronic
420i Cabrio
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW B48
Engine Series
BMW B48
B48-B20
Engine Code
B48-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
181 hp
at 5000 rpm
420i Cabrio Steptronic
181 hp
181 hp
420i Cabrio
199 lb‑ft
at 1350 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
420i Cabrio Steptronic
199 lb‑ft
199 lb‑ft
420i Cabrio

Performance

420i Cabrio Steptronic
420i Cabrio
143 mph
Maximum Speed
143 mph
8.4 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph 62
mph

384 ft
0.000 sec

420i Cabrio Steptronic

62 mph 62
mph

374 ft
0.000 sec

420i Cabrio

▶ REPLAY
21.8 lb/hp
Weight-to-Power Ratio
21.62 lb/hp
420i Cabrio Steptronic
21.8 lb/hp
21.62 lb/hp
420i Cabrio

Fuel Economy / Emissions

420i Cabrio Steptronic
420i Cabrio
Fuel Economy
37 mpg
combined
38 mpg
420i Cabrio Steptronic
37 mpg
38 mpg
420i Cabrio
32 mpg
city
29 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
592 mi
Range
601 mi
420i Cabrio Steptronic
592 mi
601 mi
420i Cabrio
Environmental Impact
119.4 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).
117.5 kWh
420i Cabrio Steptronic
119.4 kWh
117.5 kWh
420i Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
288 g/mi (WLTP)
CO2 Emissions
233 g/mi (NEFZ)

Practical Convenience

420i Cabrio Steptronic
420i Cabrio
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
871 lb
10.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data