2017 Kia Cadenza和2018 Alfa Romeo 4C 1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 Kia Cadenza和2018 Alfa Romeo 4C 1的关键规格。无论您是被2017 Kia Cadenza的实用性还是2018 Alfa Romeo 4C 1的美丽吸引，此比较都将帮助您做出明智的决定：

Cars
	2017 Kia Cadenza	2018 Alfa Romeo 4C
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General
ModelVariant	Cadenza	4C
Body Details
Body type	4/5 seater sedan/saloon	2 seater fixed-head coupé
Brakes
bmep (brake mean effective pressure)	1289.7 kPa (187.1 psi)kPa	2524.8kPa
Brakes F/R	VeDi/Di-S-ABS	VeDi/VeDi-S-ABS
Front brake diameter	320 mmmm	305mm
Rear brake diameter	300 mmmm	292mm
Chassis & Geomtry
Length:Wheelbase Ratio	1.74	1.68
Dimensions
Fuel Tank Capacity	70.1litres	40litres
Height	1471mm	1184mm
Kerb weight	1648kg	1118kg
Length	4971mm	3990mm
Track/tread (front)	1608mm	1638mm
Track/tread (rear)	1603mm	1603mm
Wheelbase	2855mm	2380mm
Width	1869mm	1867mm
Engine details
Aspiration	Normal	Turbo
Bore × Stroke	92 × 83.8mm	83 × 80.5mm
Bore/stroke ratio	1.1	1.03
Capacity	3.3 litre (3342 cc)	1.7 litre (1742 cc)
Catalytic converter	Y	Y
Compression Ratio	12:1	9.25:1
Cylinders	V 6 in 60° vee	Straight 4
Engine construction	aluminum block & head
Engine coolant	Water	Water
Engine layout	transverse	transverse
Engine manufacturer	Kia	Fiat
Engine position	front	mid
Engine Type	naturally aspirated petrol	turbocharged petrol
Final drive ratio	3.32	4.12
Gearbox	8	6 speed manual
Specific output	86.8bhp/litre	136.1bhp/litre
Specific torque	102.63Nm/litre	200.92Nm/litre
Sump	wet sumped	wet sumped
Top gear ratio	0.65	0.62
Fuel Consump.
Fuel system	direct petrol injection	direct petrol injection
Performance
Drive wheels	front wheel drive	rear wheel drive
maximum power output	294 PS (290 bhp) (216 kW)at 6400 rpm	240 @ 6000 rpm
Maximum Torque	343 Nm (253 ft·lb) (35 kgm)at 5200 rpmlb/ft	350 Nmlb/ft
Power-to-weight ratio	178.42 PS/tonne (1000 kg), 131.22 kW/tonne (1000 kg), 175.97 bhp/tonne (1000 kg), 0.08 bhp/lb	214.93 PS/tonne (1000 kg)
Weight-to-power ratio	7.62 kg/kW, 12.73 lb/bhpkg/kW	6.33kg/kW
Prices
Saftey
Wheels & Tyres
Tyres front	Hankook 245/45 R 18
Tyres rear	Hankook 245/45 R 18
Wheel size front	18x7½J
Wheel size rear	18x7½J
Aerodynamics
Other
Number of doors	4	2
RAC rating	31.5	17.1
Unitary capacity	557cc	435.5cc
Valve gear	double overhead camshaft (DOHC), 4 valves per cylinder, 24 valves in total	double overhead camshaft (DOHC), 4 valves per cylinder, 16 valves in total

总之，2017 Kia Cadenza和2018 Alfa Romeo 4C 1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。