I have nearly 7,000 on my set of 275/70/16 REVOs. I rotated them once at the 5,000 mile mark and the tread wear is even all around. I would suspect a tire pressure issue. I keep mine at 33 PSI.

Andreas


2001 4Runner SR5 4WD, Dorado Gold, 303,000+ miles
2014 Audi A4, Monsoon Gray
1995 Porsche 993, Polar Silver