I have a 2003 Yukon Xl with the 6.0 How many miles can one expect from the engine with proper maintanence?
a couple hundred, one of my customers has a 2002 and has 474000kms on it that is abour 300000miles, orignial engine and the tranny was done a month ago, he is going to keep it until he hits 800000kms (500000miles)
I have 2005 with 196,000 miles. All original!
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