Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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2009 Cadillac STS Base, 4.6 A, RWD
Tire Fitment
2009 Cadillac STS Base, 4.6 A, RWDSECTION Tire Fitment
| Size Description | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Drive Type | Body Style | Vehicle Option | GVWR (lbs) | Front/Rear/Both | Standard | Optional | Inflation (psi) Front-Rear | Torque (ft-lbs) | Wheel Base (in) Min - Max | Rim Size | Bolt (# - mm) |
| RWD | 4D Sedan | V8 w/Luxury Performance Pkg. (RWD) | Not Applicable | B | P235/50R17 95S | 30 - 30 | 100 | 7.5J | 5-115mm | ||
| RWD | 4D Sedan | V8 w/Luxury Pkg. (RWD) | Not Applicable | B | P235/50R17 95S | 30 - 30 | 100 | 7.5J | 5-115mm | ||
| RWD | 4D Sedan | V8 w/Premium Luxury Performance Pkg. (Summer Only) | Not Applicable | B | 255/45R18 99Y | 255/45ZR18 99Y | 30 - 30 | 100 | 8.5J | 5-115mm | |
| RWD | 4D Sedan | V8 w/Premium Luxury Performance Pkg. | Not Applicable | F | P235/50ZR18 97W | 30 - | 100 | 8J | 5-115mm | ||
| RWD | 4D Sedan | V8 w/Premium Luxury Performance Pkg. | Not Applicable | R | P255/45ZR18 99W | - 30 | 100 | 8J | 5-115mm | ||
| RWD | 4D Sedan | V8 | Not Applicable | F | P235/50ZR18 97W | 30 - | 100 | 8J | 5-115mm | ||
| RWD | 4D Sedan | V8 | Not Applicable | R | P255/45ZR18 99W | - 30 | 100 | 8J | 5-115mm | ||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.