2005 Cadillac STS Tire Size & Pressure
The 2005 Cadillac STS tire size depends on trim: the 3.6 7 takes P235/50R17 95V; the 4.6 A, AWD takes P255/45ZR18 99W; the 4.6 A, RWD takes P255/45ZR18 99W, per the factory service manual.
- 3.6 7: P235/50R17 95V
- 4.6 A, AWD: P255/45ZR18 99W
- 4.6 A, RWD: P255/45ZR18 99W
3.6 7
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P235/50R17 95V | Door Placard | — | — |
| All | P255/45R17 98V | Door Placard | — | — |
Search by this configuration
Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
4.6 A, AWD
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P255/45ZR18 99W | Door Placard | — | — |
| All | P235/50R17 95V | Door Placard | — | — |
| All | P255/45R17 98V | Door Placard | — | — |
| All | P235/50ZR18 97W | Door Placard | — | — |
| All | P255/45ZR18 99W | Door Placard | — | — |
| All | P235/50R17 95S | Door Placard | — | — |
| All | P235/50R17 95S | Door Placard | — | — |
Search by this configuration
Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
4.6 A, RWD
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P255/45ZR18 99W | Door Placard | — | — |
| All | P235/50R17 95V | Door Placard | — | — |
| All | P255/45R17 98V | Door Placard | — | — |
| All | P235/50ZR18 97W | Door Placard | — | — |
| All | P255/45ZR18 99W | Door Placard | — | — |
| All | P235/50R17 95S | Door Placard | — | — |
| All | P235/50R17 95S | Door Placard | — | — |
Search by this configuration
Retailer searches do not verify vehicle fitment. Check the driver's door placard and wheel setup before ordering.
More STS Specs & Repair Guides
🛢️ 2005 Cadillac STS Oil Type & Capacity →🌧️ 2005 Cadillac STS Wiper Blade Sizes →💡 2005 Cadillac STS Light Bulb Sizes →📖 2005 Cadillac STS Factory Service Manual →Powered by factory manual data from our partner network AllOEMManuals.com.
Frequently Asked Questions
What size tires does a 2005 Cadillac STS take?
It depends on the trim: 3.6 7 uses P235/50R17 95V; 4.6 A, AWD uses P255/45ZR18 99W; 4.6 A, RWD uses P255/45ZR18 99W.
What is the tire pressure for a 2005 Cadillac STS?
Refer to the tire pressure placard on your vehicle's driver side door jamb for exact cold inflation pressures.
What is the bolt pattern on a 2005 Cadillac STS?
Bolt pattern data is available in the factory service manual.