The Comparative Analysis :
BMW 325i Convertible Automatic (07 - 10) vs. BMW 420i Convertible (17 - 18)
€ 48,500

€ 48,500

€ 48,500
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 these vehicles differ slightly. Both cars are the same height, but the 325i Cabrio is 2.3 inches shorter and 1.7 inches narrower.
325i Cabrio
420i Cabrio
54.5
70.2
78.1
54.5
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
108.7
180.3
110.6
182.6
180.3 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in
Vehicle Weight
325i Cabrio
420i Cabrio
3880 lb
Curb Weight
3913 lb
4663 lb
Gross Vehicle
Weight
Weight
4784 lb

Weight Difference:
33 lb
0.84 %

General
325i Cabrio
420i Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
325i Cabrio
420i Cabrio
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
BMW N53
Engine Series
BMW B48
N53-B30
Engine Code
B48-B20


4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
215 hp
at 6100 rpm
Power
181 hp
at 5000 rpm
325i Cabrio
215 hp
181 hp
420i Cabrio
199 lb‑ft
at 2400 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
325i Cabrio
199 lb‑ft
199 lb‑ft
420i Cabrio
Performance
325i Cabrio
420i Cabrio
151 mph
Maximum Speed
143 mph
8.1 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph
62
mph
mph
371 ft
0.000 sec

325i Cabrio
62 mph
62
mph
mph
374 ft
0.000 sec

420i Cabrio
▶ REPLAY
18.05 lb/hp
Weight-to-Power Ratio
21.62 lb/hp
325i Cabrio
18.05 lb/hp
21.62 lb/hp
420i Cabrio
Fuel Economy / Emissions
325i Cabrio
420i Cabrio
Fuel Economy
30 mpg
combined
38 mpg
325i Cabrio
30 mpg
38 mpg
420i Cabrio
22 mpg
city
29 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
502 mi
Range
601 mi
325i Cabrio
502 mi
601 mi
420i Cabrio
Environmental Impact
147.7 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).
117.5 kWh
325i Cabrio
147.7 kWh
117.5 kWh
420i Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
301 g/mi (NEFZ)
CO2 Emissions
233 g/mi (NEFZ)
Practical Convenience
325i Cabrio
420i Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
871 lb
9.9 cu ft
Trunk Volume
10.5 cu ft









No data
Cargo Volume (Seats Down)
No data