2012 Cadillac STS tire and wheel sizes, bolt pattern and tire pressure

Check the tables below for every tire size, wheel size, bolt pattern (PCD), rim offset and tire pressure fitted to the 2012 Cadillac STS.

2012 Cadillac STS tire sizes

Bolt pattern

Other years

Fitment tables

Open a trim for its factory package and every alternative size, front and rear.

2008 – 2012 USA market 1 trim

302 hp · 3.6L LY7 V6 235/50 ZR17 95W / 255/45 ZR17 95W 4 fitments

GenerationGM Sigma ll 2008–2012

Power302 hp

Engine3.6L LY7 V6, Petrol

Center bore70.3 mm

PCD5x115

ThreadM12 x 1.5

Tire size	Rim size and bolt pattern	Pressure, psi	Prices
Front235/50 ZR17 95W	17x7.5 ET51 ~~5x115~~	30	Tires Rims
Rear255/45 ZR17 95W	17x8 ET51 ~~5x115~~	30	Tires Rims
Front235/50 ZR18 97W	18x8 ET51 ~~5x115~~	30	Tires Rims
Rear255/45 ZR18 97W	18x8 ET51 ~~5x115~~	30	Tires Rims
Front245/40 ZR19 97Y	19x8 ET45 ~~5x115~~	30	Tires Rims
Rear275/35 ZR19 99Y	19x9 ET45 ~~5x115~~	30	Tires Rims
235/50 R17 95V	17x7.5 ET51 ~~5x115~~	30	Tires Rims

Reading the table

OE fitment: The package fitted at the factory for that trim.
Alternative: A size the car accepts without modification — plus-sizing, winter setups or optional wheels.
Rim size: Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD): Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore: Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure: Recommended cold inflation pressure for that axle, in psi.
Staggered: A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size: Lug bolt or nut thread — needed when buying aftermarket fasteners.