The Comparative Analysis :
BMW 123d Automatic (07 - 12) vs. BMW M135i xDrive Steptronic (12 - 15)
€ 34,200
€ 44,000
€ 34,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 44,000
ⓘ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 is 4 inches shorter, 0.7 inches narrower and 0.4 inches taller than the M135i.
123d
M135i
55.9
68.8
76.1
55.6
69.5
78.1
68.8 in
Width
69.5 in
76.1 in
Width Incl. Mirrors
78.1 in
55.9 in
Height
55.6 in
104.7
166.9
105.9
170.9
166.9 in
Length
170.9 in
104.7 in
Wheelbase
105.9 in
Vehicle Weight
123d
M135i
3274 lb
Curb Weight
3505 lb
4211 lb
Gross Vehicle
Weight
Weight
4508 lb
Weight Difference:
231 lb
6.59 %
General
123d
M135i
E81
Generation
F21
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
123d
M135i
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
316 hp
at 5800 rpm
123d
201 hp
316 hp
M135i
295 lb‑ft
at 2000 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
123d
295 lb‑ft
332 lb‑ft
M135i
Performance
123d
M135i
147 mph
Maximum Speed
155 mph
7 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
318 ft
0.000 sec
123d
62 mph
62
mph
mph
213 ft
0.000 sec
M135i
▶ REPLAY
16.29 lb/hp
Weight-to-Power Ratio
11.09 lb/hp
123d
16.29 lb/hp
11.09 lb/hp
M135i
Fuel Economy / Emissions
123d
M135i
Fuel Economy
43 mpg
combined
30 mpg
123d
43 mpg
30 mpg
M135i
34 mpg
city
22 mpg
No data
highway
No data
13.5 gal
Fuel Tank Capacity
13.7 gal
576 mi
Range
414 mi
123d
576 mi
414 mi
M135i
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).
147.7 kWh
123d
113.1 kWh
147.7 kWh
M135i
Euro 5
Emission Standard
Euro 5
233 g/mi (NEFZ)
CO2 Emissions
293 g/mi (NEFZ)
Practical Convenience
123d
M135i
3
Doors
3
4
No. of Seats
4
937 lb
Maximum Payload
1003 lb
9.3 cu ft
Trunk Volume
10.2 cu ft
32.6 cu ft
Cargo Volume (Seats Down)
34 cu ft
