The Comparative Analysis :
BMW i8 Coupé (18 - ..) vs. BMW 650i Coupé xDrive Steptronic (15 - 17)
€ 138,000
		
					
					€ 96,700
					
					
					€ 138,000
					Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
					€ 96,700
				ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The i8 Coupé is  8.1 inches shorter,  1.9 inches wider and  3.1 inches lower than the 650i Coupé.
				
				i8 Coupé
					650i Coupé
				50.8
							
							76.5
							
							87.3
							
						53.9
							
							74.6
															
							81.9
							
						76.5 in
					Width
					74.6 in
				87.3 in
					Width Incl. Mirrors
					81.9 in
				50.8 in
					Height
					53.9 in
				110.2
							
							184.6
							
						112.4
							
							192.7
							
						184.6 in
					Length
					192.7 in
				110.2 in
					Wheelbase
					112.4 in
				Vehicle Weight
i8 Coupé
					650i Coupé
				3549 lb
					Curb Weight
					4255 lb
				4200 lb
					Gross Vehicle
Weight
					Weight
5214 lb
				
								Weight Difference:
								705 lb
									16.57 %
								
								General
i8 Coupé
					650i Coupé
				I12
	
					Generation
					F13
				Coupe
	
					Car Body Style
					Coupe
				Premium Unleaded
					Fuel Type
					Premium Unleaded
				
On-demand four-wheel drive (4WD) with automatic engagement
					Drivetrain
					Permanent all-wheel drive (AWD)
						
6-speed automatic transmission
					Transmission
					8-speed automatic transmission
				Engine
i8 Coupé
					650i Coupé
				3-cylinder plug-in hybrid gasoline engine with turbocharger
	
					Engine Type
					V8 gasoline engine with two turbochargers (biturbo)
				BMW B38
Engine Series
BMW N63
B38-K15
Engine Code
N63-B44
4
Valves
					4
3
Cylinders
					8
1.5 L / 73 cu in
Displacement
					4.4 L / 215 cu in
369 hp
						at 5800 rpm
					Power
					444 hp
						at 5500 rpm
					i8 Coupé
						369 hp
						444 hp
						650i Coupé
					420 lb‑ft
						at 3700 rpm
					Max. Torque
					479 lb‑ft
						at 2000 rpm
					i8 Coupé
						420 lb‑ft
						479 lb‑ft
						650i Coupé
					Performance
i8 Coupé
					650i Coupé
				
							
							
							155 mph
						
					Maximum Speed
					
							
							
							155 mph
						
					4.4 sec
					Acceleration 0 to 62 mph
					4.4 sec
				
									62 mph
									62
mph
mph
200 ft
							0.000 sec
								
								i8 Coupé
									62 mph
									62
mph
mph
200 ft
							0.000 sec
								
								650i Coupé
▶ REPLAY
						9.62 lb/hp
					Weight-to-Power Ratio
					9.58 lb/hp
						
				i8 Coupé
						9.62 lb/hp
						9.58 lb/hp
						650i Coupé
					Fuel Economy / Emissions
i8 Coupé
					650i Coupé
				Fuel Economy
	
				
						131 mpg
						
					
					combined
					
						26 mpg
						
					
				i8 Coupé
						131 mpg
						26 mpg
						650i Coupé
					No data
					city
					19 mpg
						
				No data
					highway
					No data
						
				7.9 gal
					Fuel Tank Capacity
					18.5 gal
						1036 mi
					Range
					478 mi
				i8 Coupé
						1036 mi
						478 mi
						650i Coupé
					Environmental Impact
	
				34.1 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).
172.4 kWh
						
				i8 Coupé
						34.1 kWh
						172.4 kWh
						650i Coupé
					Euro 6d-TEMP-EVAP (WLTP)
					Emission Standard
					Euro 6b (NEFZ)
						
				77 g/mi (WLTP)
					CO2 Emissions
					343 g/mi (NEFZ)
						
				Practical Convenience
i8 Coupé
					650i Coupé
				3
					Doors
					2
				4
					No. of Seats
					4
				650 lb
					Maximum Payload
					959 lb
				4.4 cu ft
					Trunk Volume
					13 cu ft
				






No data
					Cargo Volume (Seats Down)
					No data
				




















