Riley 4/72

Riley 4/72 - key facts

  • First introduced in 1961, the Riley 4/72 ended production in 1969.
  • The Riley 4/72 accelerated from 0 to 60mph in 19.5 seconds.
  • The maximum speed of the Riley 4/72 was 86 mph.
  • A total of 14,151 units were manufactured .
Riley 4/72 Specifications
Production 14,151
From 1961
Until 1969
Bodywork
Body StyleSaloon
Dimensions
Length14ft 9in4.52m
Width5ft 31/2in1.61m
Wheelbase8ft 42/4in2.55m
Front Track4ft 31/2in1.31m
Rear Track4ft 31/2in1.31m
Kerb Weight2507lb/1.119ton1137kg
Engine
Engine typeB-Series
Engine displacement1622cc99cu in
Bore3in76.2mm
Stroke3.5in88.9mm
Valve operationOverhead valve
Compression ratio8.3:1
Power Output68bhp @ 5000rpm67PS @ 5000rpm
Specific Output42bhp/litre0.69bhp/cu in
Torque Output89lbft @ 2500rpm121Nm @ 2500rpm
Specific Torque74Nm/litre
Fuel TypePetrol
Fuel systemTwin Carburettor
Carburettor makeSU
Performance
Power to weight61bhp/ton
Acceleration 0-50mph13.5 seconds
Acceleration 0-60mph19.5 seconds
Standing Qtr mile21.5 seconds
Top speed86mph138km/h
Fuel consumption23mpg10km/l
Chassis
Engine locationFront
Engine alignmentLongitudinal
Driven wheelsRear
Front SuspensionIndependent Coil Spring
Rear SuspensionBeam axle half eliptic leaf
BrakesDrums front and rear
Gearbox type4 speed Manual or Automatic
Number of gears4
Data Links
Bodywork Dimensions Engine Performance Chassis
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