I do the same thing. 9 year old duramax with 26xxx on it and a 10 year warranty. 2015 jeep eco bought in 2016 new turns 5 this year and have maxcare. Since both were paid off in year 3 since my wife pays most of the ther other bills, I have 75k ready to go for a new vehicle today. Next new vehicle will be first time paying cash. I cover all vehicle related bills and maint.... tags, tires, maint, warranties etc.... also no kids...The warranty expired on our 2015 a year ago. That's when I started saving $250 per month. I now have exactly $3,000 in my 'truck account'. It's a risk, but so far, my 2015 hasn't thrown a code since I had the AEM installed two years ago.
I find it interesting when people say they don't want to pay for big repairs outside of warranty, but they have no problem buying a new truck and paying $3,000+ dollars up front just in taxes!
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