Soon 5 years on a 235/85r16 set of Discoverer AT3. 30K miles and sidewalls are ok thou I don't like the way they are "fraying". Quiet tire indeed, 1 flat tyre in 5 years due to a screw.
Next tyre list is long.. Bfg for highest ratings/robustness, GG AT2 very similar better £. Both guess more...