My 2000 GMC SIerra 1500 went wheel high in water across 3 washes and down 2 canyons in the mud in mountain in my hometown of Beclahbito NM Mind you this is a stock truck nothing special orginial 251000 miles w 265 75R16 Coopers to haul 2 truck loads of wood for my home on the NAVAJO REZ. I LOVE MY GMC and tomorrow I plan to go to Colorado Hay Gulch to haul some coal back to Crownpoint where i now live>