🔘Tire Size
Cadillac CT5 Tire Size
Find the correct tire size for your Cadillac CT5. Covers all model years and trim levels with pressure specs and recommended brands.
Quick Answer
The Cadillac CT5 tire size varies by trim level and model year. Common sizes include 205/55R16, 215/55R17, and 225/45R18 — see the full year-by-year breakdown below.
2020-2024
2020-2024Common Tire Sizes215/55R17 or 225/45R18
Tire Pressure (Front/Rear)32 - 36 PSI (check door jamb sticker)
Bolt Pattern5x100 or 5x114.3 (varies by model)
Speed RatingH (130 mph) or V (149 mph)
Notes
- →Always match all four tires for size, speed rating, and load index
- →Tire pressure specs are on the driver door jamb sticker, NOT the tire sidewall
- →Winter tires should be the same size or one size narrower than stock
- →TPMS sensors must be reprogrammed when swapping wheel sets
Frequently Asked Questions
- What size tires does a Cadillac CT5 use?
- The Cadillac CT5 tire size varies by trim level and model year. Base trims typically use smaller wheels (16") while higher trims use 17" or 18" wheels. Check the breakdown below for your specific year and trim.
- What is the correct tire pressure for a Cadillac CT5?
- Recommended tire pressure for the Cadillac CT5 is typically 32-36 PSI. The exact specification is on the sticker inside the driver's door jamb. Do NOT use the "max pressure" number on the tire sidewall.
- Can I put bigger tires on my Cadillac CT5?
- You can typically go one size up in width (e.g., 215 to 225) without issues. Going up in diameter (e.g., 16" to 17") requires matching wheels and may affect speedometer accuracy. Extreme upsizing can cause rubbing and void warranty.
- How often should I rotate Cadillac CT5 tires?
- Rotate your Cadillac CT5 tires every 5,000-7,500 miles for even wear. Front-wheel drive vehicles wear front tires faster, so regular rotation is especially important.