The Comparative Analysis :
BMW 135i Convertible (10 - 11) vs. BMW 123d Convertible (11 - 13)
€ 44,900
€ 38,700
€ 44,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,700
ⓘ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 135i Cabrio is 0.7 inches lower.
135i Cabrio
123d Cabrio
54.8
68.8
76.1
55.6
68.8
76.1
68.8 in
Width
68.8 in
76.1 in
Width Incl. Mirrors
76.1 in
54.8 in
Height
55.6 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
135i Cabrio
123d Cabrio
3671 lb
Curb Weight
3560 lb
4475 lb
Gross Vehicle
Weight
Weight
4365 lb
Weight Difference:
110 lb
3 %
General
135i Cabrio
123d Cabrio
E88
Generation
E88
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
135i Cabrio
123d Cabrio
Straight-six gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
BMW
Engine Series
BMW
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
302 hp
at 5800 rpm
Power
201 hp
at 4400 rpm
135i Cabrio
302 hp
201 hp
123d Cabrio
295 lb‑ft
at 1200 rpm
Max. Torque
295 lb‑ft
at 2000 rpm
135i Cabrio
295 lb‑ft
295 lb‑ft
123d Cabrio
Performance
135i Cabrio
123d Cabrio
155 mph
Maximum Speed
143 mph
5.6 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph
62
mph
mph
256 ft
0.000 sec
135i Cabrio
62 mph
62
mph
mph
341 ft
0.000 sec
123d Cabrio
▶ REPLAY
12.16 lb/hp
Weight-to-Power Ratio
17.71 lb/hp
135i Cabrio
12.16 lb/hp
17.71 lb/hp
123d Cabrio
Fuel Economy / Emissions
135i Cabrio
123d Cabrio
Fuel Economy
27 mpg
combined
44 mpg
135i Cabrio
27 mpg
44 mpg
123d Cabrio
19 mpg
city
36 mpg
No data
highway
No data
14 gal
Fuel Tank Capacity
13.5 gal
383 mi
Range
598 mi
135i Cabrio
383 mi
598 mi
123d Cabrio
Environmental Impact
162.9 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).
109.1 kWh
135i Cabrio
162.9 kWh
109.1 kWh
123d Cabrio
Euro 5
Emission Standard
Euro 5
322 g/mi (NEFZ)
CO2 Emissions
224 g/mi (NEFZ)
Practical Convenience
135i Cabrio
123d Cabrio
2
Doors
2
4
No. of Seats
4
805 lb
Maximum Payload
805 lb
7.4 cu ft
Trunk Volume
7.4 cu ft
No data
Cargo Volume (Seats Down)
No data
