How big is a 265 75R15 tire?
R15 tires have a diameter of 30. The sidewall of the tire is 7. This means a 265/75r15 tire will make make 657 revolutions per mile, or 409 revolutions per kilometer. The 265/75r16 measures 31. R15 comes in at 30. That one-inch difference impacts how your truck handles, how accurate your speedometer reads, and even your fuel economy.
How much taller is a 275 tire than a 265 all?
The difference is 10 mm extra width, but if the second number on the tire spec is the same, then it is also a percentage of 10mm taller than then 265. So, if they’re both 35, then the 275 is 7 mm larger in diameter, which of course makes also 1 revolution of the tire longer. A 275/70r18 is aller than a 285/65r18. Both are 33s, but the 275/70r18 is usually 33. Id prefer slightly taller than slightly wider personally.The only difference between the two tires, 265/70R16 and 265/75R16 is in the aspect ratio which determines the overall height of the sidewall. R16 has a 70% aspect ratio, which gives a shorter sidewall than the 265/75R16.