The Comparative Analysis :
BMW 135i Convertible Automatic (08 - 10) vs. BMW M240i Convertible Steptronic Sport (16 - 17)
€ 46,900

€ 51,700

€ 46,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 51,700
ⓘ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 135i Cabrio is 3.7 inches shorter, an inch narrower and 0.3 inches taller than the M240i Cabrio.
135i Cabrio
M240i 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
135i Cabrio
M240i Cabrio
3715 lb
Curb Weight
3759 lb
4519 lb
Gross Vehicle
Weight
Weight
4542 lb

Weight Difference:
44 lb
1.17 %

General
135i Cabrio
M240i Cabrio
E88
Generation
F23
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
135i Cabrio
M240i Cabrio
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine with turbocharger
BMW
Engine Series
BMW
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
302 hp
at 5800 rpm
Power
335 hp
at 5500 rpm
135i Cabrio
302 hp
335 hp
M240i Cabrio
295 lb‑ft
at 1300 rpm
Max. Torque
369 lb‑ft
at 1520 rpm
135i Cabrio
295 lb‑ft
369 lb‑ft
M240i Cabrio
Performance
135i Cabrio
M240i Cabrio
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
259 ft
0.000 sec

135i Cabrio
62 mph
62
mph
mph
213 ft
0.000 sec

M240i Cabrio
▶ REPLAY
12.3 lb/hp
Weight-to-Power Ratio
11.22 lb/hp
135i Cabrio
12.3 lb/hp
11.22 lb/hp
M240i Cabrio
Fuel Economy / Emissions
135i Cabrio
M240i Cabrio
Fuel Economy
25 mpg
combined
32 mpg
135i Cabrio
25 mpg
32 mpg
M240i Cabrio
17 mpg
city
24 mpg
No data
highway
No data
14 gal
Fuel Tank Capacity
13.7 gal
350 mi
Range
437 mi
135i Cabrio
350 mi
437 mi
M240i Cabrio
Environmental Impact
178.2 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).
140.2 kWh
135i Cabrio
178.2 kWh
140.2 kWh
M240i Cabrio
Euro 4
Emission Standard
Euro 6b (NEFZ)
362 g/mi (NEFZ)
CO2 Emissions
272 g/mi (NEFZ)
Practical Convenience
135i Cabrio
M240i 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