Buick Riviera specs: 1971-1973

Buick Riviera specs: 1971-1973

buick-riviera-1971

buick-riviera-1971-interior

GM Platform: E-body

Trim Levels:

  • base (1971-1973)
  • base w/ Stage-1 (1973 only)- Added here were limited slip differential, 3.23 axle ratio, recalibrated transmission, chrome air cleaner lid, and better cylinder heads.
  • GS (1971-1973)- Added here were rear sway bar, 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 (1973 only)- See GS and Stage-1 above
  • Body Styles: coupe

    Wheelbase: 122.0″

    F/R Track Width: 63.6″/64.0″

    Overall Length:

  • 217.4″ (1971)
  • 218.3″ (1972)
  • 223.4″ (1973)
  • Overall Width: 79.9″

    Overall Height: 54.0″

    Turning Circle: not published

    Drag Coefficient: not published

    Curb Weight:

  • 4257-4435 lbs. (1971)
  • 4368-4502 lbs. (1972)
  • 5047 lbs. (1973)
  • Available Engines:

  • 455 CID 4bbl V8 (1971-1972 base cars)
  • 455 CID 4bbl H.O. V8 (1971-1972 GS cars & 1973 base cars)- Higher Output via different camshaft, different carburetor, and altered ignition advance curve.
  • 455 CID 4bbl Stage-1 V8 (1973 Stage-1 package cars)- This one had large port cylinder heads
  • Available Transmissions:
    3-SPEED TH400 AUTOMATIC (
    3-SPEED TH400 Stage-1 AUTOMATIC (recalibrated settings for 1973 Stage-1 cars)

    Axle Ratio:

  • 2.93
  • 3.23
  • 3.42
  • Fuel Capacity: 25.1 Gallons

    Fuel Economy: 9-10 mpg

    Head Room F/R: 37.7″/37.0″

    Leg Room F/R: 42.7″/35.6″

    Shoulder Room F/R: 63.6″/59.3″

    Hip Room F/R: 57.6″/54.0″

    Tires:

  • H78-15 (1971-1972 base models)
  • HR70-15 (1973 base models)
  • JR78-15 (1973-1973 GS models)
  • Wheels: 15.0″ x 7.0″

    buick-riviera-1972

    buick-riviera-1973

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