The Comparative Analysis :
BMW 120i Steptronic (16 - 17) vs. BMW M135i xDrive Steptronic (12 - 15)
€ 31,800
		
					
					€ 44,000
					
					
					€ 31,800
					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
Тhere is barely any difference in dimensions between the two vehicles. Both cars are  the same  width, but the 120i is  0.4 inches shorter and  0.4 inches taller. 
				
				120i
					M135i
				55.9
							
							69.5
							
							78.1
							
						55.6
							
							69.5
															
							78.1
							
						69.5 in
					Width
					69.5 in
				78.1 in
					Width Incl. Mirrors
					78.1 in
				55.9 in
					Height
					55.6 in
				105.9
							
							170.4
							
						105.9
							
							170.9
							
						170.4 in
					Length
					170.9 in
				105.9 in
					Wheelbase
					105.9 in
				Vehicle Weight
120i
					M135i
				3197 lb
					Curb Weight
					3505 lb
				4277 lb
					Gross Vehicle
Weight
					Weight
4508 lb
				
								Weight Difference:
								309 lb
									8.82 %
								
								General
120i
					M135i
				F21
	
					Generation
					F21
				Hatchback
	
					Car Body Style
					Hatchback
				Premium Unleaded
					Fuel Type
					Premium Unleaded
				
Rear-wheel drive
					Drivetrain
					Permanent all-wheel drive (AWD)
						
8-speed automatic transmission
					Transmission
					8-speed automatic transmission
				Engine
120i
					M135i
				Straight-four gasoline engine with turbocharger
	
					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
181 hp
						at 5000 rpm
					Power
					316 hp
						at 5800 rpm
					120i
						181 hp
						316 hp
						M135i
					214 lb‑ft
						at 1350 rpm
					Max. Torque
					332 lb‑ft
						at 1300 rpm
					120i
						214 lb‑ft
						332 lb‑ft
						M135i
					Performance
120i
					M135i
				
							
							
							140 mph
						
					Maximum Speed
					
							
							
							155 mph
						
					7.1 sec
					Acceleration 0 to 62 mph
					4.7 sec
				
									62 mph
									62
mph
mph
325 ft
							0.000 sec
								
								120i
									62 mph
									62
mph
mph
213 ft
							0.000 sec
								
								M135i
▶ REPLAY
						17.66 lb/hp
					Weight-to-Power Ratio
					11.09 lb/hp
						
				120i
						17.66 lb/hp
						11.09 lb/hp
						M135i
					Fuel Economy / Emissions
120i
					M135i
				Fuel Economy
	
				
						43 mpg
						
					
					combined
					
						30 mpg
						
					
				120i
						43 mpg
						30 mpg
						M135i
					34 mpg
					city
					22 mpg
						
				No data
					highway
					No data
						
				13.7 gal
					Fuel Tank Capacity
					13.7 gal
						587 mi
					Range
					414 mi
				120i
						587 mi
						414 mi
						M135i
					Environmental Impact
	
				104.1 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
						
				120i
						104.1 kWh
						147.7 kWh
						M135i
					Euro 6b (NEFZ)
					Emission Standard
					Euro 5
						
				203 g/mi (NEFZ)
					CO2 Emissions
					293 g/mi (NEFZ)
						
				Practical Convenience
120i
					M135i
				3
					Doors
					3
				4
					No. of Seats
					4
				1080 lb
					Maximum Payload
					1003 lb
				10.2 cu ft
					Trunk Volume
					10.2 cu ft
				







34 cu ft
					Cargo Volume (Seats Down)
					34 cu ft
				










