A comprehensive comparison of key specifications between the 2017 Bmw 340I and the 56 Mercedes Benz 220 S 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 340I and 56 Mercedes Benz 220 S Coupe. Whether you're drawn to 2017 Bmw 340I's practicality or 56 Mercedes Benz 220 S Coupe's beauty, this comparison will help you make an informed decision:

Cars
	2017 BMW 340i	1956 Mercedes-Benz 220 S Coupe
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General
Build Start	2017	1956
ModelVariant	F30	220 S Coupe
Chassis Code	F30
Body Details
Body type	4/5 seater sedan/saloon
Brakes
bmep (brake mean effective pressure)	1873.6 kPa (271.7 psi)kPa
Brakes F/R	VeDi/VeDi-S-ABS
Chassis & Geomtry
Length:Wheelbase Ratio	1.65
Weight distribution	48.8 % front
Dimensions
Fuel Tank Capacity	59.9litres
Ground clearance	140mm
Height	1430mm	1530mm
Kerb weight	1662kg
Length	4643mm	4700mm
Track/tread (front)	1537mm
Track/tread (rear)	1552mm
Wheelbase	2809mm
Width	1811mm	1790mm
Engine details
Aspiration	Turbo
Bore × Stroke	82 × 94.6mm
Bore/stroke ratio	0.87
Capacity	3 litre (2998 cc)
Catalytic converter	Y
Compression Ratio	11:1
Cylinders	Straight 6
Engine code	B58B30M0
Engine coolant	Water
Engine layout	longitudinal
Engine manufacturer	BMW
Engine position	front
Engine Type	turbocharged petrol
Final drive ratio	3.23
Gearbox	6
Specific output	106.7bhp/litre
Specific torque	149.1Nm/litre
Sump	wet sumped
Top gear ratio	0.85
Fuel Consump.
Fuel consumption	19/29/23 US MPG EPA city/highway/combined
Fuel system	direct petrol injection
km/litre	8.1/12.3/9.8 km/l city/highway/combined
litres/100km	12.4/8.1/10.2 l/100km city/highway/combined
UK MPG	22.8/34.8/27.6 UK MPG city/highway/combined
US MPG	19.0/29.0/23.0 US MPG city/highway/combined
Performance
Acceleration 0-60mph	4.9s	17s
Drive wheels	rear wheel drive
maximum power output	324 PS (320 bhp) (239 kW)at 5500 rpm
Maximum speed	209km/h	161km/h
Maximum Torque	447 Nm (330 ft·lb) (45.6 kgm)at 1380-5000 rpmlb/ft
Power-to-weight ratio	195.22 PS/tonne (1000 kg), 143.58 kW/tonne (1000 kg), 192.54 bhp/tonne (1000 kg), 0.09 bhp/lb
Weight-to-power ratio	6.96 kg/kW, 11.63 lb/bhpkg/kW
Prices
Saftey
Wheels & Tyres
Tyres front	225/45 R 18 91Y
Tyres rear	255/40 R 18 95Y
Wheel size front	18x8½J
Wheel size rear	18x8½J
Aerodynamics
CdA	0.64
Drag coefficient	0.29
Frontal area	2.20 m²
Other
Number of doors	4
RAC rating	25.0
Unitary capacity	499.67cc
Valve gear	double overhead camshaft (DOHC), 4 valves per cylinder, 24 valves in total

In conclusion, the 2017 Bmw 340I and 56 Mercedes Benz 220 S 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.