The front has quite a few more miles left in it and the rear is not quite down to the wear bars but I am concluding my test.
Over the 115,000 miles logged on my 2 F6B's I averaged 17,000 miles per set on 5 sets of OE Bridgestones, so I would say the E4 is a longer wearing tire. Unfortunately the trade off is available traction.
There were several times on damp pavement were I would roll on the throttle and the back end would break loose with the E4, very seldom with the Bridgestones. I also, over the course of 21,000 miles, had to make a couple quick stops (again on wet pavement) and the E4's allowed the brakes to lock up...never with the Bridgestones. We don't have many tar snakes in Florida but when travelling out west the E4 was pretty squirrely as compared to the Bridgestones.
The Bridgestones are also a good deal right now with the $60 rebate.
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