The Comparative Analysis :
BMW 123d Convertible (11 - 13) vs. BMW M235i Convertible (15 - 16)
€ 38,700

€ 49,100

€ 38,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 49,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The 123d Cabrio is 3.7 inches shorter, an inch narrower and 0.3 inches taller than the M235i Cabrio.
123d Cabrio
M235i Cabrio
55.6
68.8
76.1
55.2
69.8
78.1
68.8 in
Width
69.8 in
76.1 in
Width Incl. Mirrors
78.1 in
55.6 in
Height
55.2 in
104.7
171.7
105.9
175.4
171.7 in
Length
175.4 in
104.7 in
Wheelbase
105.9 in
Vehicle Weight
123d Cabrio
M235i Cabrio
3560 lb
Curb Weight
3693 lb
4365 lb
Gross Vehicle
Weight
Weight
4475 lb

Weight Difference:
132 lb
3.57 %

General
123d Cabrio
M235i Cabrio
E88
Generation
F23
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
123d Cabrio
M235i Cabrio
Straight-four diesel engine with two turbochargers (biturbo)
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
201 hp
at 4400 rpm
Power
322 hp
at 5800 rpm
123d Cabrio
201 hp
322 hp
M235i Cabrio
295 lb‑ft
at 2000 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
123d Cabrio
295 lb‑ft
332 lb‑ft
M235i Cabrio
Performance
123d Cabrio
M235i Cabrio
143 mph
Maximum Speed
155 mph
7.5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
341 ft
0.000 sec

123d Cabrio
62 mph
62
mph
mph
236 ft
0.000 sec

M235i Cabrio
▶ REPLAY
17.71 lb/hp
Weight-to-Power Ratio
11.47 lb/hp
123d Cabrio
17.71 lb/hp
11.47 lb/hp
M235i Cabrio
Fuel Economy / Emissions
123d Cabrio
M235i Cabrio
Fuel Economy
44 mpg
combined
28 mpg
123d Cabrio
44 mpg
28 mpg
M235i Cabrio
36 mpg
city
20 mpg
No data
highway
No data
13.5 gal
Fuel Tank Capacity
13.7 gal
598 mi
Range
380 mi
123d Cabrio
598 mi
380 mi
M235i Cabrio
Environmental Impact
109.1 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).
161.1 kWh
123d Cabrio
109.1 kWh
161.1 kWh
M235i Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
224 g/mi (NEFZ)
CO2 Emissions
320 g/mi (NEFZ)
Practical Convenience
123d Cabrio
M235i Cabrio
2
Doors
2
4
No. of Seats
4
805 lb
Maximum Payload
783 lb
7.4 cu ft
Trunk Volume
9.5 cu ft






No data
Cargo Volume (Seats Down)
No data