A comprehensive comparison of key specifications between the 2017 Bmw 318Li and the 2017 Bmw 420I Xdrive Coupe. To facilitate a clear understanding, we've organized the essential data into a concise table for your convenience.

To sum it up, we've put together a convenient table below, summarizing the key specifications of 2017 Bmw 318Li and 2017 Bmw 420I Xdrive Coupe. Whether you're drawn to 2017 Bmw 318Li's practicality or 2017 Bmw 420I Xdrive Coupe's beauty, this comparison will help you make an informed decision:

Cars
	2017 BMW 318Li	2017 BMW 420i xDrive Coupé
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General
Body Details
Body type	4/5 seater sedan/saloon	2+2 seater fixed-head coupé
Brakes
bmep (brake mean effective pressure)	1844.3 kPa (267.5 psi)kPa	1698.2 kPa (246.3 psi)kPa
Brakes F/R	VeDi/VeDi-S-ABS	VeDi/VeDi-S-ABS
Chassis & Geomtry
Length:Wheelbase Ratio	1.63	1.65
Dimensions
Fuel Tank Capacity	60litres	60litres
Height	1453mm	1392mm
Length	4753mm	4640mm
Wheelbase	2920mm	2810mm
Width	1811mm	1825mm
Engine details
Aspiration	Turbo	Turbo
Bore × Stroke	82 × 94.6mm	82 × 94.6mm
Bore/stroke ratio	0.87	0.87
Capacity	1.5 litre (1499 cc)	2 litre (1998 cc)
Catalytic converter	Y	Y
Compression Ratio	11:1	11:1
Cylinders	Straight 3	Straight 4
Engine coolant	Water	Water
Engine layout	longitudinal	longitudinal
Engine manufacturer	BMW	BMW
Engine position	front	front
Engine Type	turbocharged petrol	turbocharged petrol
Specific output	89.4bhp/litre	90.6bhp/litre
Specific torque	146.76Nm/litre	135.14Nm/litre
Sump	wet sumped	wet sumped
Fuel Consump.
Fuel system	direct petrol injection	direct petrol injection
Performance
Acceleration 0-100km/h	9.9 ss	7.6 ss
Drive wheels	rear wheel drive	all wheel drive
maximum power output	136 PS (134 bhp) (100 kW)at 4400-6000 rpm	184 PS (181 bhp) (135 kW)at 5000 rpm
Maximum speed	210km/h	233km/h
Maximum Torque	220 Nm (162 ft·lb) (22.4 kgm)at 1250-4300 rpmlb/ft	270 Nm (199 ft·lb) (27.5 kgm)at 1350-4600 rpmlb/ft
Prices
Saftey
Wheels & Tyres
Aerodynamics
Other
Number of doors	4	2
RAC rating	12.5	16.7
Unitary capacity	499.67cc	499.5cc
Valve gear	double overhead camshaft (DOHC), 4 valves per cylinder, 12 valves in total	double overhead camshaft (DOHC), 4 valves per cylinder, 16 valves in total

In conclusion, the 2017 Bmw 318Li and 2017 Bmw 420I Xdrive Coupe are two distinct cars and your choice ultimately boils down to your individual preferences and priorities. We hope this analysis aids you in your automotive journey, helping you find the perfect fit for your needs and desires.