GMC 3500HD Denali

2015 GMC Denali 1-ton 3500HD Built After Aug - Duramax Turbo-diesel Truck. LIKE NEW. Black exterior, lack interior.
I bought Extra transferable 100,000 / 5 year factory bumper to bumper warranty from GM at time of purchase
Extras:Factory sprayed bed-liner2 inch leveling kitClear braCeramic Tinted WindowsBlack GM running boards / also have the chrome round GM running boards in plasticNew Nitto AT Terra Grappler 295 tires with 50,000 warranty (less than 500 miles on them)BakFlip F-1 Tonneau CoverWeather-Tech Floor mats added front/rear - day 1Have GM carpet mats and GM rubber mats (never used either)Under rear seat GM storage container
OPTIONS ADDED AT FACTORY:>>>Has EVERY factory option available...except running cab lights on top of cab
Here are some...Engine block heaterTrailering wiring for 5th wheel factory added underneath (never used)Rear DVD entertainmentOff-road suspension package (hill decent feature plus)Lane changing warningHeated steering wheelHeads up windshield warningHigh idle feature added
Always serviced at GM dealer...have all records and receipts.
Have gotten up to 27 miles a gallon on freeway!
Non-smoker vehicle - like new
Asking $59,900