So I was fiddling with my '99 Suburban the other day, and I looked at the odometer, which is just shy of 175,000 miles. It got me to thinking, how much money has been spent by all the previous owners and myself since it was first driven off the dealership lot. Here's the rough estimate that I came up with, in no particular order. ===== Original purchase price = $ 30,000 (including the burly ranch truck bumpers that it has). 12 mpg avg, considering highway and city driving, and lots of idling running the heat or AC (It's a great big little-people mover...) x 175,000 miles =14,500 gallons of gasoline burned over it's lifetime. SWAG of $2/gal since 1999 = $30,000 for fuel. (!!!) =$60,000. New 4L80E transmission at 140,000 miles = $3,000. New A/C system install = $1,500. New Gearhead/ATK long block engine at 160,000 miles = $3,000. Tires for that many miles = $3,000. = $70,500. All the little repair parts that are still needed (counting the trashed interior from too many Happy Meals) = $5,000. Needed rust repair from two tours at Fort Drum, NY (the road salt Mecca) = $2,000. Oil changes maybe every 5,000 miles? 35 @ ~$30 each = $1,050. Car washes ~= $500 Grand Total? = $79,000. ===== I've discounted the used sale price each time it was bought and sold, as that cancels out on the balance sheet. I did pick it up with a blown motor for $1,500, then had to fix that. I came out about even according to KBB, and I have a beefy, almost-new drivetrain. I would do it that way again. I was really surprised at the cumulative estimated fuel expense. That's not chump change! I'm not really what you'd call a "greenie," but in looking at these numbers, I would seriously consider buying a new (expensive) hybrid drivetrain Suburban, even if it had less power than my 5.7L, if the fuel mileage was high enough. Is it physically possible to achieve 24 mpg or better in a 3/4 ton 4x4 people mover?... Remember to include lots of idling to control the inside climate for the kiddies who are sleeping while Daddy watches them and Mommie grabs some groceries. For the hot summer sun, I'm considering having it painted a more reflective color, at least on the roof, the way Toyota Landcruisers have white tops. I'm planning a very light grey Rhinolining on the roof, because all kind of bulky items go up there and scratch the paint. (Don't have a pickup - cops frown on putting kids in the bed nowadays...) Also, take a look at this idea: http://www.instructables.com/id/Too-Hot-Remove-heat-from-your-body-with-the-Back-/ . :great: I've been looking into some sort of electric heater wired into a shore power connection along with the block heater and a battery maintainer. http://www.instructables.com/id/Adding-Shore-Power-to-a-VW-Camper-Van/ Also considering heated seats, since they all need to be re-upholstered anyways.:grrrrrr: I just have to figure out how to heat removeable car seats safely. I think it's doable, and should save lots of fuel spent warming up the cabin. FYI, our mileage drops to around 6 mpg during the winter, because it's simply necessary to warm up the truck before taking the family anywhere. How many $200 fill-ups does that take??? :gasp:I'm getting a motorcycle license soon. I already have a 70 mpg bike. I just can't ride it legally yet. And I REALLY NEED to be riding my bicycle the 2 miles to work... ahem. It would help me a great deal if I had a garage big enough to fit this beast inside. The military just doesn't build them that way, unfortunately. I've added an engine block heater in place of freeze plug. That helps it start on really cold days, but doesn't do squat to warm the cabin noticeably sooner. So, I'd like to hear from my fellow GM truck owners, especially anyone who has a diesel Suburban. How much has been spent over the years for any particular one of your vehicles?