The Comparative Analysis :
BMW 120d Convertible Automatic (08 - 11) vs. BMW 135i Convertible Sport-Automatic (11 - 13)
€ 36,600

€ 47,800

€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 47,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same length and width, but the 120d Cabrio is 0.7 inches taller.
120d Cabrio
135i Cabrio
55.6
68.8
76.1
54.8
68.8
76.1
68.8 in
Width
68.8 in
76.1 in
Width Incl. Mirrors
76.1 in
55.6 in
Height
54.8 in
104.7
171.7
104.7
171.7
171.7 in
Length
171.7 in
104.7 in
Wheelbase
104.7 in
Vehicle Weight
120d Cabrio
135i Cabrio
3505 lb
Curb Weight
3693 lb
4321 lb
Gross Vehicle
Weight
Weight
4497 lb

Weight Difference:
187 lb
5.06 %

General
120d Cabrio
135i Cabrio
E88
Generation
E88
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
120d Cabrio
135i Cabrio
Straight-four diesel engine with turbocharger
Engine Type
Straight-six gasoline engine with turbocharger
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
175 hp
at 4000 rpm
Power
302 hp
at 5800 rpm
120d Cabrio
175 hp
302 hp
135i Cabrio
258 lb‑ft
at 1750 rpm
Max. Torque
295 lb‑ft
at 1200 rpm
120d Cabrio
258 lb‑ft
295 lb‑ft
135i Cabrio
Performance
120d Cabrio
135i Cabrio
137 mph
Maximum Speed
155 mph
8.2 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
374 ft
0.000 sec

120d Cabrio
62 mph
62
mph
mph
249 ft
0.000 sec

135i Cabrio
▶ REPLAY
20.03 lb/hp
Weight-to-Power Ratio
12.23 lb/hp
120d Cabrio
20.03 lb/hp
12.23 lb/hp
135i Cabrio
Fuel Economy / Emissions
120d Cabrio
135i Cabrio
Fuel Economy
43 mpg
combined
27 mpg
120d Cabrio
43 mpg
27 mpg
135i Cabrio
34 mpg
city
20 mpg
No data
highway
No data
13.5 gal
Fuel Tank Capacity
14 gal
576 mi
Range
383 mi
120d Cabrio
576 mi
383 mi
135i Cabrio
Environmental Impact
113.1 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).
162.9 kWh
120d Cabrio
113.1 kWh
162.9 kWh
135i Cabrio
Euro 5
Emission Standard
Euro 5
233 g/mi (NEFZ)
CO2 Emissions
322 g/mi (NEFZ)
Practical Convenience
120d Cabrio
135i Cabrio
2
Doors
2
4
No. of Seats
4
816 lb
Maximum Payload
805 lb
7.4 cu ft
Trunk Volume
7.4 cu ft




No data
Cargo Volume (Seats Down)
No data