Buick Century specs: 1973-1977

Buick Century specs: 1973-1977

The ’73-’77 Buick Century was a confusing mess, atleast for enthusiasts trying to keep track. Like Oldsmobile having several Cutlass variants, Buick had the same idea for the Century.

While technically still Centurys, trim levels like Luxus, Custom, Gran Sport, Special, and Regal are commonly referred to as being their own model lines. Also, like other colonnades of the time, Buick’s Century had two distinct roof-lines for the coupe. And to spin things around even more, the Century & Regal coupes for ’76-’77 looked nothing like the sedans/wagons, having lost their styled swooping fenders and differing to a horizontal headlamp arrangement. One last point is the pace car editions, which due to the fender decals, are unofficially known as a ‘Free Spirit’. All of these confusing points will be covered as their own models. Watch for pages.

buick-century-1973


Platform: A-body

Trim Levels:

  • base (1973-1977)
  • 350 (1973-1974)
  • Body Styles:

  • fastback coupe (1973-1975)- after ’75, the coupes had their own look and are covered elsewhere on this site.
  • sun coupe (1973-1975)
  • sedan (1973-1977)
  • station wagon (1973-1977)
  • Wheelbase:

  • 112.0″ (coupe)
  • 116.0″ (sedan/wagon)
  • F/R Track Width: 61.5″/60.7″

    Overall Length:

  • 207.4″-209.5″ (coupe)
  • 212.4″-213.5″ (sedan)
  • 216.6″-218.2″ (wagon)
  • Overall Width: 79.0″

    Overall Height: 53.5″

    Turning Circle: not published

    Drag Coefficient: not published

    Curb Weight: 3743-4200 lbs.

    Available Engines:

  • 231 CID 2bbl V6 (1975-1977 all)
  • 350 CID 2bbl V8 (1973-1977 all)
  • 350 CID 4bbl V8 (1973-1977 all)
  • 403 CID 4bbl Olds V8 (1977 wagons only)
  • 455 CID 2bbl V8 (1974 all, 1975 wagons only)
  • 455 CID 4bbl single exhaust V8 (1973-1974 all, 1975-1976 wagons only)
  • 455 CID 4bbl dual exhaust V8 (1973-1974 all)
  • Available Transmissions:

  • 3-SPEED MUNCIE MANUAL (1973-1974 all, 1975 V6 only)
  • 3-SPEED TH350 AUTOMATIC (1973-1977 231/350 cars)
  • 3-SPEED TH400 AUTOMATIC (1973-1977 403/455 cars)
  • Axle Ratio:

  • 2.41
  • 2.56
  • 2.73
  • 3.08
  • 3.23
  • 3.42
  • Fuel Capacity: 22.0 Gallons

    Fuel Economy: not published

    Head Room F/R:

  • 37.7″/37.0″ (coupe)
  • 38.3″/37.5″ (sedan/wagon)
  • Leg Room F/R:

  • 42.5″/33.7″ (coupe)
  • 42.5″/37.4″ (sedan/wagon)
  • Shoulder Room F/R:

  • 59.6″/57.1″ (coupe)
  • 59.6″/58.9″ (sedan/wagon)
  • Hip Room F/R:

  • 54.9″/52.7″ (coupe)
  • 54.7″/57.7″ (sedan/wagon)
  • Tires:

  • GR70-15
  • GR78-15
  • HR78-15
  • Wheels:

  • 15.0″ x 6.0″
  • 15.0″ x 7.0″
  • buick-century-1974
    buick-century-1975
    buick-century-1976
    buick-century-1977

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