What's the 2003 gmc sierra 1500 lug pattern?

The 2003 GMC sierra 1500Lug pattern iS6 X5.5''. Making sure Your tires are in the greatest of condition is key to not crashing. You will come into issues with this part at some time or another. Premature tire wear is something You could face. You could run into feathering issues. You could face cupping problems. Make sure to check the tire pressure once a month. Check for holes, in case You run over a nail. The part may become loose at some point. This part will need to be replaced eventually. You should change Your tires every 30,000 to 50,000 miles or so. You don't want to get into any wrecks on the road.