The Comparative Analysis :

BMW 123d Automatic (07 - 12) vs. BMW M135i xDrive Steptronic (19 - ..)

€ 34,200
BMW 123d Automatic (07 - 12) 123d
€ 48,900
 BMW M135i xDrive Steptronic (19 - ..) M135i
€ 34,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 48,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The 123d is slightly smaller in every dimension. It's 3.1 inches shorter, 2 inches narrower and 0.5 inches lower than the M135i.
123d
M135i
55.9
Blueprint BMW 123d Automatic (07 - 12)
68.8
76.1
56.5
Blueprint BMW M135i xDrive Steptronic (19 - ..)
70.8
81.9
68.8 in
Width
70.8 in
76.1 in
Width Incl. Mirrors
81.9 in
55.9 in
Height
56.5 in
Blueprint BMW 123d Automatic (07 - 12)
104.7
166.9
Blueprint BMW M135i xDrive Steptronic (19 - ..)
105.1
170
166.9 in
Length
170 in
104.7 in
Wheelbase
105.1 in

Vehicle Weight

123d
M135i
3274 lb
Curb Weight
3527 lb
4211 lb
Gross Vehicle
Weight
4597 lb
BMW 123d Automatic (07 - 12)
Weight Difference:
254 lb
7.2 %
BMW M135i xDrive Steptronic (19 - ..)

General

123d
M135i
E81
Generation
F40
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-four gasoline engine with tur­bo­charger
BMW
Engine Series
BMW
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
201 hp
at 4400 rpm
Power
302 hp
at 5000 rpm
123d
201 hp
302 hp
M135i
295 lb‑ft
at 2000 rpm
Max. Torque
332 lb‑ft
at 1750 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
4.8 sec
62 mph 62
mph

318 ft
0.000 sec

123d

62 mph 62
mph

220 ft
0.000 sec

M135i

▶ REPLAY
16.29 lb/hp
Weight-to-Power Ratio
11.68 lb/hp
123d
16.29 lb/hp
11.68 lb/hp
M135i

Fuel Economy / Emissions

123d
M135i
Fuel Economy
43 mpg
combined
35 mpg
123d
43 mpg
35 mpg
M135i
34 mpg
city
29 mpg
No data
highway
No data
Kraftstoffanzeige
13.5 gal
Fuel Tank Capacity
13.2 gal
Kraftstoffanzeige
576 mi
Range
457 mi
123d
576 mi
457 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).
128.7 kWh
123d
113.1 kWh
128.7 kWh
M135i
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
233 g/mi (NEFZ)
CO2 Emissions
288 g/mi (WLTP)

Practical Convenience

123d
M135i
3
Doors
5
4
No. of Seats
5
937 lb
Maximum Payload
1069 lb
9.3 cu ft
Trunk Volume
10.8 cu ft
32.6 cu ft
Cargo Volume (Seats Down)
34 cu ft