2017 Bmw 318Li和2017 Bmw 420I Xdrive Coupe之间的关键规格的全面比较。为了促进清晰的理解，我们将基本数据组织到简洁的表中，以便您的方便。

总结一下，我们在下面放了一个方便的表格，总结了2017 Bmw 318Li和2017 Bmw 420I Xdrive Coupe的关键规格。无论您是被2017 Bmw 318Li的实用性还是2017 Bmw 420I Xdrive Coupe的美丽吸引，此比较都将帮助您做出明智的决定：

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

总之，2017 Bmw 318Li和2017 Bmw 420I Xdrive Coupe是两个不同的cars，您的选择最终归结为您的个人偏好和优先事项。我们希望这种分析能帮助您在您的汽车旅程中，帮助您找到适合自己的需求和欲望的理想选择。