I too am 6' and getting in and out of my roadster pickup is a chore. To determine if the seat was part of the problem, I installed a seat from a school bus which was much slimmer in all ways. It helped, but the biggest impediment was the riser box. Once I got my right leg and my butt in, I had to use contortions to get my left foot between the door frame and the box. I altered the left front corner of the box and it helped immensely. I am going to remove the box completely and build a smaller one and also rebuild the seats thinner. These trucks and roadsters were built for people 5' 6" with size 8 feet.
Warren
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