2001, Saturn LS2

Original owner, 125K miles, regular maintenance at Saturn dealers.

Problem: car seems to ride heavy in rear and makes “heavy” noise. Rear tires (Michelin) wearing on inside treads, some uneveness. No other tire issue…front: same tires. Service says rear tires wear that way since do not turn on corners as do front tires. Dealer claims suspension OK.

Dealer says to buy 2 new tires. This is first time such wear has occured (or that I have noticed). Other causes for uneven tire wear ??