I have a 2012 Suburban 1500 4wd LS at 150k miles. I load it heavily - I've pulled a 7500 lb trailer probably 20k miles (boat, to coast and back) as well as sometimes put a couple hundred pounds on the front hitch (bicycles).
At maybe 40k miles I replaced the rear coil springs with Hellwig...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.