🔘Tire Size
GMC Syclone Tire Size
Find the correct tire size for your GMC Syclone. Covers all model years and trim levels with pressure specs and recommended brands.
Quick Answer
The GMC Syclone tire size varies by trim level and model year. Check the door jamb sticker or owner's manual for the exact OEM size — see the year-by-year breakdown below.
1991-1992
1991-1992Common Tire SizesVaries by trim level — check door jamb sticker or owner's manual for exact OEM size
Tire Pressure (Front/Rear)32 - 36 PSI (check door jamb sticker)
Bolt Pattern5x100 or 5x114.3 (varies by model)
Speed RatingH (130 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
- →Check if your model has TPMS — sensors need relearning after tire rotation
Frequently Asked Questions
- What size tires does a GMC Syclone use?
- The GMC Syclone 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 GMC Syclone?
- Recommended tire pressure for the GMC Syclone 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 GMC Syclone?
- 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 GMC Syclone tires?
- Rotate your GMC Syclone tires every 5,000-7,500 miles for even wear. Front-wheel drive vehicles wear front tires faster, so regular rotation is especially important.
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