Find the exact tire size for your vehicle and the best tire recommendations
We're setting up direct links to top tire retailers. Check back soon for the best prices on P255/70R17 tires for your 2015 GMC Sierra 1500.
Compare two tire sizes to see the difference in diameter, width, and speedometer reading.
The 2015 GMC Sierra 1500 comes from the factory with P255/70R17 tires. This size provides the best balance of handling, comfort, and fuel efficiency for your vehicle. Always consult your owner's manual or the tire information sticker on your driver's side door jamb before purchasing new tires.
If you're looking to upgrade or change your tire size, we recommend staying within 3% of the original diameter to avoid speedometer errors and clearance issues.