Buick Riviera specs: 1974-1976

Buick Riviera specs: 1974-1976

buick riviera 1974
GM Platform: E-body

Trim Levels:

  • base (1974-1976)
  • base w/ Stage-1 (1974 only)- Added here were limited slip differential, 3.23 axle ratio, recalibrated transmission, chrome air cleaner lid, standard H.E.I. ignition, and a few teaks for 15 more horsepower over the ‘lesser’ 455 V8.
  • GS (1974-1976)- Added here were heavy duty front & rear rear sway bars, JR78-15 radial tires, tuned suspension, “Gran Sport” badging, and increased level of sound deadening material. In 1971-1972, it also added the higher output version of the 455 V8. In 1973, it was just the handling package.
  • GS Stage-1 (1974 only)- See GS and Stage-1 above
  • S/R (1976 only)
  • Body Styles: coupe

    Wheelbase: 122.0″

    F/R Track Width: 63.6″/64.0″

    Overall Length:

  • 226.4″ (1974)
  • 223.0″ (1975-1976)
  • Overall Width: 80.0″

    Overall Height: 53.7″

    Turning Circle: not published

    Drag Coefficient: not published

    Curb Weight:
    5035 lbs. (1974)
    5002 lbs. (1975-1976)

    Available Engines:

  • 455 CID 4bbl V8 (non-Stage-1 cars)
  • 455 CID 4bbl Stage-1 V8 (Stage-1 cars)- Had standard H.E.I. ignition and large port cylinder heads
  • Available Transmissions: 3-SPEED TH400 AUTOMATIC

    Axle Ratio:

  • 2.93
  • 3.23
  • Fuel Capacity: 25.0 Gallons

    Fuel Economy: 9-12 mpg

    Head Room F/R: 38.1″/37.1″

    Leg Room F/R: 42.2″/35.4″

    Shoulder Room F/R: 63.6″/62.4″

    Hip Room F/R: 57.6″/56.0″

    Tires: J78-15

    Wheels: 15.0″ x 6.0″

    buick-riviera-1975

    buick riviera 1976

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