2011 Cadillac STS Wheel Backspacing

5.76 in · 6.01 in · 5.77 in · 5.97 in

Quick specs

Backspacing
5.76 in · 6.01 in · 5.77 in · 5.97 in
Wheel size
7.5x17 · 8x18 · 8x19
Bolt pattern
5×115
Tire size
235/50R17 · 235/50R18 · 245/40R19 · 235/40R19

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
3.6i · 3.6L, LY7, V6, Petrol7.5x177.5x17ET515.76 in235/50R175x11570.3 mmM12 x 1.5
3.6i · 3.6L, LY7, V6, Petrol7.5x177.5x17ET515.76 in235/50R175x11570.3 mmM12 x 1.5
4.6i · 4.6L, LH2, V8, Petrol7.5x177.5x17ET515.76 in235/50R175x11570.3 mmM12 x 1.5
4.6i · 4.6L, LH2, V8, Petrol8x187.5x17ET516.01 in235/50R18 / 235/50R175x11570.3 mmM12 x 1.5
4.6i · 4.6L, LH2, V8, Petrol8x197.5x17ET50 / ET515.97 in235/40R19 / 235/50R175x11570.3 mmM12 x 1.5
4.6i · 4.6L, LH2, V8, Petrol8x197.5x17ET45 / ET515.77 in245/40R19 / 235/50R175x11570.3 mmM12 x 1.5

Compare wheel position See wheel offset

Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).

Related tools

More on Amazon
  • LEXIVON 1/2-Inch Drive Click Torque Wrench 25-250 Ft-Lb/33.9-338.9 Nm (LX-184)

    Related tool — not a vehicle-fit product.

    Check price on Amazon
  • Wheeler Manual Firearms Accurizing Torque Wrench with Inch/Pounds Measurement, Bits and Storage Case for Scope Mounting, Gunsmithing and Maintenance

    Related tool — not a vehicle-fit product.

    Check price on Amazon

More specs for the 2011 Cadillac STS

Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.