Bill.Barg wrote: Thanks for the replies,
So I take it that it is not worth trying to save 5 lb per tire in order to save on fuel.
It is interesting to note that the 245-75-16 E BFG Mud-Terrain T/A KM is listed at the "tire rack" as 36 lb , where all the others, including the BFG AT KO at around 47 lb. Must be a typo.
No typos...its real. The KO and its cheaper step sister the Grabber are at the top of the weight class. I just got some new 245/70/16s put on. My stock 235s weighed in at 25 lbs per tire. My new 245s came in at 35 lbs per tire. the Grabbers and KO's at the 245/70 size weigh a whopping 42-45 lbs per tire. Things like deeper treads (3/32" deeper) thicker side walls, and rim protectors adds up quick and the tires are mucho heavy. Like others said, going to a grabber or KO from stock is ALMOST doubling the weight of your tires. Factor in it takes more power/fuel to start and stop and your break pads are doing double time duty, its a very valid point to consider when you are trying to eek out every bit of fuel economy when doing lots of highway driving. I really liked the KO's and Grabbers for look (the latter for the same look and lower price) but going to that heavy a tire would have killed me on mileage. As it is, adding the half inch wider tire and the 10 pounds extra weight per tire, I noticed a marked drop in MPG. It would have been even more going to a tire that weighs almost 20 pounds more per tire, with an aggressive tread that causes a lot more friction on pavement than stockers.
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