# Re. Wide Vs Narrow Tires - I rest my case **URL:** \ **Category:** General Discussion\ **Created:** [March 18, 2025, 6:45am UTC](https://community.cartalk.com/t/re-wide-vs-narrow-tires-i-rest-my-case/199522 "2025-03-18T06:45:25Z")\ **Posts on this page:** 1\ **Showing post:** 397
**Author:** ![TwinTurbo](https://avatars.discourse-cdn.com/v4/letter/t/8baadc/32.png) [@TwinTurbo](https://community.cartalk.com/u/TwinTurbo)\ **Post date:** [April 16, 2025, 1:34pm UTC](https://community.cartalk.com/t/re-wide-vs-narrow-tires-i-rest-my-case/199522/397 "2025-04-16T13:34:02Z")
> [@ChrisTheTireWhisperer](#): > > So my calculations were correct. Not necessary to divide the sidewall difference by half. 0.647 = roughly the 65-series you mentioned. No, they were not. This is pretty basic calculation that was already explained quite well. > [@My Current Vehicle Purchasing Edicts](https://community.cartalk.com/t/my-current-vehicle-purchasing-edicts/199821/106): > > I got Cs in high school and introductory college math, but A pluses in English and Bs in history. I’m thinking they may have been generous… > [@Old-Days-Rick](#): > > And your not going to tell me that low profile tires do not use less rubber to make. These tire companies LOVE low profile tires, half the rubber, same cost. The need for additional rubber in the sidewalls has already been pointed out. But what you are completely missing is that in many businesses, the cost of materials is not the primary driver for price of the goods being made. In this case, it takes the same CapEx for molds and equipment, the same amount of labor and the same overhead costs to fabricate a low profile tire as it does a “taller” one. Hence there is no significant cost savings at a finished goods level. Put the conspiracy theories to rest… --- _[View the full topic](https://community.cartalk.com/t/re-wide-vs-narrow-tires-i-rest-my-case/199522)._