The Comparative Analysis :
BMW 318i Convertible (10 - 14) vs. BMW 420d Convertible Steptronic (15 - 17)
€ 39,100
€ 50,100
€ 39,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,100
ⓘ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 318i Cabrio is an inch shorter and 1.7 inches narrower.
318i Cabrio
420d 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
181.6
110.6
182.6
181.6 in
Length
182.6 in
108.7 in
Wheelbase
110.6 in
Vehicle Weight
318i Cabrio
420d Cabrio
3682 lb
Curb Weight
3946 lb
4464 lb
Gross Vehicle
Weight
Weight
4817 lb
Weight Difference:
265 lb
6.72 %
General
318i Cabrio
420d Cabrio
E93
Generation
F33
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
318i Cabrio
420d Cabrio
Straight-four gasoline engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with turbocharger
BMW N43
Engine Series
BMW B47
N43-B20
Engine Code
B47-D20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
141 hp
at 6000 rpm
Power
187 hp
at 4000 rpm
318i Cabrio
141 hp
187 hp
420d Cabrio
140 lb‑ft
at 4250 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
318i Cabrio
140 lb‑ft
295 lb‑ft
420d Cabrio
Performance
318i Cabrio
420d Cabrio
130 mph
Maximum Speed
142 mph
10.3 sec
Acceleration 0 to 62 mph
8 sec
62 mph
62
mph
mph
469 ft
0.000 sec
318i Cabrio
62 mph
62
mph
mph
364 ft
0.000 sec
420d Cabrio
▶ REPLAY
26.11 lb/hp
Weight-to-Power Ratio
21.1 lb/hp
318i Cabrio
26.11 lb/hp
21.1 lb/hp
420d Cabrio
Fuel Economy / Emissions
318i Cabrio
420d Cabrio
Fuel Economy
36 mpg
combined
53 mpg
318i Cabrio
36 mpg
53 mpg
420d Cabrio
28 mpg
city
45 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.1 gal
593 mi
Range
805 mi
318i Cabrio
593 mi
805 mi
420d Cabrio
Environmental Impact
125 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).
90.4 kWh
318i Cabrio
125 kWh
90.4 kWh
420d Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
248 g/mi (NEFZ)
CO2 Emissions
187 g/mi (NEFZ)
Practical Convenience
318i Cabrio
420d 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
