FRENES

Buick Century PCD

1977–1985
VERIFIED
⌀70.3
PCD5x120.65 or 5x100 or 5x115
Centre bore70.3 or 57.1 mm
Offset (ET)ET42 to ET43
Fixing typeEcrous - 12x1.50
Tightening torque135 Nm
⚠ This model comes with 5x120.65 or 5x100 or 5x115 depending on the year or version. Check on an original wheel or with a professional before buying anything.
Hub centric rings 70.3 mm → Wheel spacers 5x120.65(partner link) Change PCD (PCD adapter)(partner link) Sheet for your mechanic

Fitting wheels on a Buick Century

A Buick Century (1977–1985) uses a 5x120.65 or 5x100 or 5x115 PCD and a centre bore of 70.3 or 57.1 mm. Any wheel must match the vehicle's PCD exactly: there is no tolerance, unless you use a PCD adapter.

  • PCD: 5x120.65 or 5x100 or 5x115 required. See all vehicles with 5x120.65.
  • Centre bore: the wheel must have a centre bore of 70.3 mm or more. If it is larger (as with most aftermarket wheels), add a hub centric ring wheel centre bore → 70.3 mm.
  • Offset: the original is ET42 to ET43. Compare your future wheel with the offset calculator (your vehicle is already selected) to see how many millimetres further in or out it will sit.
  • Fixings: thread Ecrous - 12x1.50, tightened to 135 Nm. The nuts or bolts must have the same seat (conical, spherical or flat) as the wheel.

All recorded versions (3)

The original specs vary with the year, trim or wheel size. Identify your version from the tyre size marked on the sidewall.

VersionPCDCentre boreWheelOffsetTyre
Version 1 5x120.65 70.3 mm — — —
Version 2 5x100 57.1 mm — ET42 —
Version 3 5x115 70.3 mm — ET43 —

Vehicles with the same PCD and centre bore

Same 5x120.65 PCD and same 70.3 mm centre bore: wheels from these vehicles bolt on and centre on a Buick Century without rings. Offset, width, diameter and caliper clearance still need checking.

Buick Apollo 1977–1985 Buick Regal 1967–1987 Buick Skylark 1967–1981 Chevrolet Corvette C7 2013–2019 Chevrolet Corvette C6 2004–2013 Cadillac XLR 2003–2009 Chevrolet Jimny from 1998 Chevrolet Corvette C5 1997–2004 Chevrolet Blazer 2WD 1986–2004 Chevrolet Blazer 4WD 1986–2004 Chevrolet Corvette C4 1984–1996 Chevrolet S10 1982–1993 Pontiac Firebird 1982–1992 Pontiac Trans Am 1982–1992 Pontiac Phoenix 1977–1979 Cadillac Seville 1975–1979

Will wheels from another vehicle fit your Century?

Choose the vehicle the wheels come from: we compare the hub, then each original wheel to the millimetre.

Frequently asked questions

What is the PCD of a Buick Century?

A Buick Century (1977–1985) can have a 5x120.65 or 5x100 or 5x115 PCD depending on the version: check on an original wheel.

Does a Buick Century need a hub centric ring?

The centre bore (hub diameter) of a Buick Century is 70.3 or 57.1 mm. A wheel with a larger centre bore is fitted with a hub centric ring that brings it down to the hub diameter. A wheel with a smaller centre bore cannot be fitted.

What offset (ET) for a Buick Century?

The recorded original offset is ET42 to ET43 depending on the version and wheel size. A lower ET pushes the wheel outwards, a higher ET pulls it inwards: check wheel well and caliper clearance before making any change.

What tightening torque for the wheels of a Buick Century?

The specified tightening torque is 135 Nm for Ecrous - 12x1.50 fixings. Tighten in a criss-cross pattern with a torque wrench and check the tightness again after about fifty kilometres.

Which vehicles have the same PCD as a Buick Century?

With the same PCD (5x120.65) and the same centre bore (70.3 mm), these include: Buick Apollo, Buick Regal, Buick Skylark, Chevrolet Corvette C7. Offset, width and rim diameter still need checking for each vehicle.

Does a value look wrong, or is a version missing? Let us know, we check every report.