HomeAll RepliesRe: Most miles put on a GM car Re: Most miles put on a GM car Sponsored April 17, 2012 at 10:41 am #39584 GMCAMAROParticipant We have a 2005 Chevy Colorado with 123,000 miles, never had a single problem. Do all the maintenance myself, that is just oil changes and changing spark plugs at 100,000. The truck is a manual with the I5. Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored