A comprehensive comparison of key specifications between the 1955 Bentley Continental Drophead Coupe 1 and the 90 Nissan 300Zx. 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 1955 Bentley Continental Drophead Coupe 1 and 90 Nissan 300Zx. Whether you're drawn to 1955 Bentley Continental Drophead Coupe 1's practicality or 90 Nissan 300Zx's beauty, this comparison will help you make an informed decision:

Cars
	1955 Bentley Continental Drophead Coupé	1990 Nissan 300ZX
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General
Build Start	1955	1990
ModelVariant	Continental	300ZX
Body Details
Body type	4/5 seater convertible/cabriolet
Brakes
Brakes F/R	Dr/Dr-S
Chassis & Geomtry
Length:Wheelbase Ratio	1.71
Dimensions
Fuel Tank Capacity	82litres
Length	5347mm
Track/tread (front)	1473mm
Track/tread (rear)	1524mm
Wheelbase	3124mm
Width	1829mm
Engine details
Aspiration	Normal
Bore × Stroke	95.25 × 114.3mm
Bore/stroke ratio	0.83
Capacity	4.9 litre (4887 cc)
Catalytic converter	N
Compression Ratio	7.25:1
Cylinders	Straight 6
Engine coolant	Water
Engine layout	longitudinal
Engine manufacturer	Rolls-Royce
Engine position	front
Engine Type	naturally aspirated petrol
Final drive ratio	2.92
Gearbox	4
Sump	wet sumped
Top gear ratio	1
Fuel Consump.
Fuel system	2 SU carburettors
Performance
Drive wheels	rear wheel drive
Prices
Saftey
Wheels & Tyres
Tyres front	7.60 x 15
Tyres rear	7.60 x 15
Aerodynamics
Other
Designer	Park Ward
Number of doors	2
RAC rating	33.8
Unitary capacity	814.5cc
Valve gear	overhead inlet, side exhaust (oise), 2 valves per cylinder, 12 valves in total

In conclusion, the 1955 Bentley Continental Drophead Coupe 1 and 90 Nissan 300Zx 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.