In general, the AT's lastlonger, but its just not apples and apples, as some MT's can last longer than some AT's, etc.

Lets say for calibration that if my BFG AT ko's last 75K, my BFG MT's might last 30-40K.

A set of Interco TrXus MT might go about 20-25K.

A GY MT/R might go 40-50K.
_________________________
- TJ

2001 Xterra '03 VG33, SE 5 spd, 305/70/16's, Revolvers, UBSkidderz, Doubled AAL's, 3"SL/2"BL, winch/bumpers, skids, sliders, OBA, Snorkel, pine stripes....

Friends don't let friends drive stock.

http://www.gifsoup.com/view/501230/tj-tackling-crawlers-ridge-o.gif