I have a 04 GMC 1 ton ext with over 180,000 miles only expenes was a front wheel bearing in the middle of nowhere,at 1am on the 401 in Canada. At 21,000 miles. My other GMC 1 ton is 05 and has 94,000 miles and no expenes yet.Use full synth oil every 6000 miles, rotate at every 10,000. I plan to...