What's the 2000 gmc sierra wheel bolt pattern?

The 2000 GMC sierra wheel bolt pattern iS6 X5.5''. This part will need to be changed some day. You don't want to get into any wrecks on the road. You should replace Your tires every 30,000 to 50,000 miles. Making sure Your tires are in the best condition is key to not crashing. You will come into problems with this part at some time or another. You could face cupping issues. You might run into feathering problems. Premature tire wear is something to lookout for. Make sure to inspect the tire pressure once a month. Check for holes, in case You run over something sharp. The part might become loose at some point.