The Comparative Analysis :
BMW 420i Cabrio (17 - 18) vs. BMW 320i Cabrio (10 - 14)
€ 48,500
€ 41,500
€ 48,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,500
ⓘ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 420i Cabrio is 2.6 cm longer and 4.3 cm wider.
420i Cabrio
320i Cabrio
1384
1825
2017
1384
1782
1985
1825 mm
Width
1782 mm
2017 mm
Width Incl. Mirrors
1985 mm
1384 mm
Height
1384 mm
2810
4638
2760
4612
4638 mm
Length
4612 mm
2810 mm
Wheelbase
2760 mm
Vehicle Weight
420i Cabrio
320i Cabrio
1775 kg
Kerb Weight
1670 kg
2170 kg
Gross Vehicle
Weight
Weight
2025 kg
Weight Difference:
105 kg
5.92 %
General
420i Cabrio
320i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
420i Cabrio
320i Cabrio
Straight-four petrol engine with turbocharger
Engine Type
Straight-four petrol engine (naturally aspirated engine)
BMW B48
Engine Series
BMW N43
B48-B20
Engine Code
N43-B20


4
Valves
4
4
Cylinders
4
1998 CC
Engine Capacity
1995 CC
181 bhp
at 5000 rpm
Power
168 bhp
at 6700 rpm
420i Cabrio
181 bhp
168 bhp
320i Cabrio
270 NM
at 1350 rpm
Max. Torque
210 NM
at 4250 rpm
420i Cabrio
270 NM
210 NM
320i Cabrio
Performance
420i Cabrio
320i Cabrio
143 mph
Maximum Speed
142 mph
8.2 sec
Acceleration 0 to 62 mph
9.1 sec
62 mph
62
mph
mph
114 m
0.000 sec
420i Cabrio
62 mph
62
mph
mph
126 m
0.000 sec
320i Cabrio
▶ REPLAY
9.81 kg/bhp
Weight-to-Power Ratio
9.94 kg/bhp
420i Cabrio
9.81 kg/bhp
9.94 kg/bhp
320i Cabrio
Fuel Economy / Emissions
420i Cabrio
320i Cabrio
Fuel Economy
46 mpg
combined
42 mpg
420i Cabrio
46 mpg
42 mpg
320i Cabrio
35 mpg
city
32 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
63 L
601 mi
Range
575 mi
420i Cabrio
601 mi
575 mi
320i Cabrio
Environmental Impact
117.5 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).
128.7 kWh
420i Cabrio
117.5 kWh
128.7 kWh
320i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
145 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
420i Cabrio
320i Cabrio
2
Doors
2
4
No. of Seats
4
395 kg
Maximum Payload
355 kg
370 L
Boot Capacity
350 L









No data
Boot Capacity (Seats Down)
No data




















