I not really trying to scrimp on tires, I'm questioning if I would be getting a better and safer tire at the higher cost.

If you drive the posted limit on the interstate you are exceeding the speed Goodyear says their trailer tire is rated for. They don't limit other tires to 65 MPH, they can carry the same load, and I have to believe they have more safety margin built in because they don't want to be sued for loss of life because of tire failure. I suspect the safety margin on trailer tires isn't as important in their designs because they are not designed to carry human passengers.

Think of the abuse a passenger tire endures, especially up north when they hit a deep pot hole in winter or people hitting or driving over curbs and or parking stops and rail road crossings. I know they get more abuse than my trailer tires.

Just seems like they hype the special tire, charge more, give less warranty, post a service bulletin to cover their butts about its speed limitations, and want you to believe you bought a superior product.

Now if they said the tires are rated at maximum posted highway speeds I would feel more confident in the product, understanding that most of the time it may not be safe to drive at such speeds but at least there is no question you can when it is safe to do so.

I've grown skeptical of manufacturers claims when the facts about the product don't seem to support them.