Mr. Z.....get off that chebby lot and go look someplace else!
do not, for ONE SECOND, think that you will ever overcome additional cost of the diesel engine. everything costs more on them....initial cost, oil change, fuel filters, any type of service, license, 2 batteries, higher fuel price, and the list goes on. and now days with the emissions equipment.....the egr system has a service interval, the DPF has a life expectancy, ect... for the average guy like you and i.......we get a diesel because we WANT one. so i will repeat this......dont think you will ever come out ahead on the money end of the deal. it costs WAY more to buy, own, and maintain a diesel of any make/model.
how happy are you with the way your 6.0 pulls now? have you pulled anything with their new 3/4 ton gassers with the 6 speed tranny? im not trying to talk you out of it, but explore your options.
if you look at used diesels, i dont know how "new" you want to get, but i would look at one from the pre-emissions years. i know your are stuck on getting a chevy, and i dont know much about their emissions systems from the earlier years. i know ford and dodges were pretty bad from 07-12'ish....piss poor fuel mileage, problems with the egr's. just throwing some things out there to keep in mind.
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