A comprehensive comparison of key specifications between the 1991 Bentley Continental R and the 1952 Bentley R Type Continental. 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 1991 Bentley Continental R and 1952 Bentley R Type Continental. Whether you're drawn to 1991 Bentley Continental R's practicality or 1952 Bentley R Type Continental's beauty, this comparison will help you make an informed decision:

Cars
	1991 Bentley Continental R	1952 Bentley R-Type Continental
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General
Build Start	1991	1952
ModelVariant	Continental	Continental
Body Details
Body type	2+2 seater fixed-head coupé	4/5 seater sedan/saloon
Brakes
bmep (brake mean effective pressure)	1223.9 kPa (177.5 psi)kPa
Brakes F/R	VeDi/Di-ABS-S
Chassis & Geomtry
Length:Wheelbase Ratio	1.75	1.72
Turning circle	13.10 m
Dimensions
Fuel Tank Capacity	108litres
Ground clearance	132mm
Height	1463mm
Kerb weight	2423kg	1651kg
Length	5342mm	5245mm
Track/tread (front)	1550mm	1486mm
Track/tread (rear)	1550mm	1486mm
Wheelbase	3060mm	3048mm
Width	2045mm	1816mm
Engine details
Aspiration	Turbo	Normal
Bore × Stroke	104.1 × 99.1mm	92 × 114.3mm
Bore/stroke ratio	1.05	0.8
Capacity	6.8 litre (6750 cc)	4.6 litre (4566 cc)
Catalytic converter	Y	N
Compression Ratio	8:1	7.25:1
Compressor	1 Garrett AiResearch TO4 turbo
Crankshaft Bearings	5
Cylinders	V 8 in 90° vee	Straight 6
Engine coolant	Water	Water
Engine layout	longitudinal	longitudinal
Engine manufacturer	Rolls-Royce	Rolls-Royce
Engine position	front	front
Engine Type	turbocharged petrol	naturally aspirated petrol
Final drive ratio	3.07
Gearbox	4
Intercooler	Yes
Specific output(DIN)	46.7 bhp/litre0.76 bhp/cu in
Specific torque(DIN)	97.39 Nm/litre, 1.18 ft·lb/cu3
Top gear ratio	0.75
Fuel Consump.
Fuel system	Bo fuel inj.	2 SU carbs
Performance
Acceleration 0-60mph	6.9s
Drive wheels	rear wheel drive	rear wheel drive
maximum power output(DIN)	319 PS (315 bhp) (235 kW)at 4500 rpm
Maximum speed	233km/h	188km/h
maximum torque(DIN)	657.4 Nm (485 ft·lb) (67 kgm)at 2250 rpm
Power-to-weight ratio	131.81 PS/tonne (1000 kg), 96.94 kW/tonne (1000 kg), 130 bhp/tonne (1000 kg), 0.06 bhp/lb
Weight-to-power ratio	10.32 kg/kW, 17.23 lb/bhpkg/kW
Prices
Saftey
Wheels & Tyres
Tyres front	255/60 ZR 16
Tyres rear	255/60 ZR 16
Wheel size front	16x7.5
Wheel size rear	16x7.5
Aerodynamics
Other
Number of doors	2
RAC rating	53.8	31.5
Unitary capacity	843.75cc	761cc
Valve gear	overhead valve (OHV), 2 valves per cylinder, 16 valves in total	overhead inlet, side exhaust (oise), 2 valves per cylinder, 12 valves in total

In conclusion, the 1991 Bentley Continental R and 1952 Bentley R Type Continental 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.