The Comparative Analysis :
BMW 425d Convertible (14 - 15) vs. BMW 318i Convertible (10 - 14)
€ 49,800

€ 39,100

€ 49,800
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 425d Cabrio is an inch longer and 1.7 inches wider.
425d Cabrio
318i Cabrio
54.5
71.9
79.4
54.5
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
110.6
182.6
108.7
181.6
182.6 in
Length
181.6 in
110.6 in
Wheelbase
108.7 in
Vehicle Weight
425d Cabrio
318i Cabrio
3781 lb
Curb Weight
3682 lb
3946 lb
Gross Vehicle
Weight
Weight
4464 lb

Weight Difference:
99 lb
2.62 %

General
425d Cabrio
318i Cabrio
F33
Generation
E93
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
425d Cabrio
318i Cabrio
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine (naturally aspirated engine)
BMW N47
Engine Series
BMW N43
N47-D20
Engine Code
N43-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
215 hp
at 4400 rpm
Power
141 hp
at 6000 rpm
425d Cabrio
215 hp
141 hp
318i Cabrio
332 lb‑ft
at 1500 rpm
Max. Torque
140 lb‑ft
at 4250 rpm
425d Cabrio
332 lb‑ft
140 lb‑ft
318i Cabrio
Performance
425d Cabrio
318i Cabrio
150 mph
Maximum Speed
130 mph
7.3 sec
Acceleration 0 to 62 mph
10.3 sec
62 mph
62
mph
mph
331 ft
0.000 sec

425d Cabrio
62 mph
62
mph
mph
469 ft
0.000 sec

318i Cabrio
▶ REPLAY
17.59 lb/hp
Weight-to-Power Ratio
26.11 lb/hp
425d Cabrio
17.59 lb/hp
26.11 lb/hp
318i Cabrio
Fuel Economy / Emissions
425d Cabrio
318i Cabrio
Fuel Economy
45 mpg
combined
36 mpg
425d Cabrio
45 mpg
36 mpg
318i Cabrio
36 mpg
city
28 mpg
No data
highway
No data
15.1 gal
Fuel Tank Capacity
16.6 gal
681 mi
Range
593 mi
425d Cabrio
681 mi
593 mi
318i Cabrio
Environmental Impact
107 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).
125 kWh
425d Cabrio
107 kWh
125 kWh
318i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
222 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)
Practical Convenience
425d Cabrio
318i Cabrio
2
Doors
2
4
No. of Seats
4
165 lb
Maximum Payload
783 lb
10.5 cu ft
Trunk Volume
9.9 cu ft









No data
Cargo Volume (Seats Down)
No data