The Comparative Analysis :

BMW 420d Convertible Steptronic (15 - 17) vs. BMW 318i Convertible (10 - 14)

€ 50,100
BMW 420d Convertible Steptronic (15 - 17) 420d Cabrio
€ 39,100
BMW 318i Convertible (10 - 14) 318i Cabrio
€ 50,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,100

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 420d Cabrio is an inch longer and 1.7 inches wider.
420d Cabrio
318i Cabrio
54.5
Blueprint BMW 420d Convertible Steptronic (15 - 17)
71.9
79.4
54.5
Blueprint BMW 318i Convertible (10 - 14)
70.2
78.1
71.9 in
Width
70.2 in
79.4 in
Width Incl. Mirrors
78.1 in
54.5 in
Height
54.5 in
Blueprint BMW 420d Convertible Steptronic (15 - 17)
110.6
182.6
Blueprint BMW 318i Convertible (10 - 14)
108.7
181.6
182.6 in
Length
181.6 in
110.6 in
Wheelbase
108.7 in

Vehicle Weight

420d Cabrio
318i Cabrio
3946 lb
Curb Weight
3682 lb
4817 lb
Gross Vehicle
Weight
4464 lb
BMW 420d Convertible Steptronic (15 - 17)
Weight Difference:
265 lb
6.72 %
BMW 318i Convertible (10 - 14)

General

420d Cabrio
318i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

420d Cabrio
318i Cabrio
Straight-four diesel engine with tur­bo­charger
Engine Type
Straight-four gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B47
Engine Series
BMW N43
B47-D20
Engine Code
N43-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
187 hp
at 4000 rpm
Power
141 hp
at 6000 rpm
420d Cabrio
187 hp
141 hp
318i Cabrio
295 lb‑ft
at 1750 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
420d Cabrio
295 lb‑ft
140 lb‑ft
318i Cabrio

Performance

420d Cabrio
318i Cabrio
142 mph
Maximum Speed
130 mph
8 sec
Acceleration 0 to 62 mph
10.3 sec
62 mph 62
mph

364 ft
0.000 sec

420d Cabrio

62 mph 62
mph

469 ft
0.000 sec

318i Cabrio

 REPLAY
21.1 lb/hp
Weight-to-Power Ratio
26.11 lb/hp
420d Cabrio
21.1 lb/hp
26.11 lb/hp
318i Cabrio

Fuel Economy / Emissions

420d Cabrio
318i Cabrio
Fuel Economy
53 mpg
combined
36 mpg
420d Cabrio
53 mpg
36 mpg
318i Cabrio
45 mpg
city
28 mpg
No data
highway
No data
Kraftstoffanzeige
15.1 gal
Fuel Tank Capacity
16.6 gal
Kraftstoffanzeige
805 mi
Range
593 mi
420d Cabrio
805 mi
593 mi
318i Cabrio
Environmental Impact
90.4 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).
125 kWh
420d Cabrio
90.4 kWh
125 kWh
318i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
187 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)

Practical Convenience

420d Cabrio
318i Cabrio
2
Doors
2
4
No. of Seats
4
871 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data