1999 Cadillac Seville Wheel Offset

Quick specs

Wheel size
7x16 · 7.5x17 · 7.5x18 · 8x18
Offset
ET51 · ET50 · ET48
Backspacing
5.51 in · 5.72 in · 5.89 in
Bolt pattern
5x115
Center bore
70.3 mm
Thread
M12 x 1.5
Tire size
235/60R16 · 235/55R17 · 235/50R18 · 255/45R18

OEM configurations

ConfigurationRimOffsetBackspacingTireBolt patternCenter boreThread
4.6i · 4.6L, LD8, V8, Petrol7x16ET515.51 in235/60R165x11570.3 mmM12 x 1.5
4.6i · 4.6L, LD8, V8, Petrol7.5x17ET505.72 in235/55R175x11570.3 mmM12 x 1.5
4.6i · 4.6L, LD8, V8, Petrol7.5x18ET505.72 in235/50R185x11570.3 mmM12 x 1.5
4.6i · 4.6L, LD8, V8, Petrol8x18ET485.89 in255/45R185x11570.3 mmM12 x 1.5

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 1999 Cadillac Seville

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.