2005 Buick Century Wheel Offset

Quick specs

Wheel size
6x15 · 6.5x16 · 7x16
Offset
ET42 · ET44
Backspacing
4.65 in · 4.90 in · 5.23 in
Bolt pattern
5x115
Center bore
70.3 mm
Thread
M12 x 1.5 · 1/2" - 20 UNF
Tire size
205/70R15 · 215/65R16 · 225/60R16

OEM configurations

ConfigurationRimOffsetBackspacingTireBolt patternCenter boreThread
3.1 · LG8, V6, Petrol6x15ET424.65 in205/70R155x11570.3 mm1/2" - 20 UNF
3.1 · LG8, V6, Petrol6.5x16ET424.90 in215/65R165x11570.3 mm1/2" - 20 UNF
3.1 · LG8, V6, Petrol7x16ET445.23 in225/60R165x11570.3 mm1/2" - 20 UNF

Lug hardware

More on Amazon
  • White Knight Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Count

    M12 x 1.5

    Matches the listed specification. Not a full fitment guarantee.

    Check price on Amazon
  • White Knight 3807BK-20AM Black Chrome M12x1.50 Spline Lug Nut, 20 items

    M12 x 1.5

    Matches the listed specification. Not a full fitment guarantee.

    Check price on Amazon

More specs for the 2005 Buick Century

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.