More information needed as to EXACT tire size. -Is it a secret.
14 inch tires work on a 14 inch rim.
Anything from a 245 to a 265 will fit with 15 inch rims if you have 16 inch rim go with a 255 of 31" tires
no you need a 16" rim
No.
No.
No you can not.
no, you'll need a 16" rim
No. Only 18 inch tires fit an 18 inch rim.
Using a 14-inch rim in place of a 15-inch rim is not advisable, as it will not fit properly. The tire size designed for a 15-inch rim will not be compatible with a 14-inch rim, potentially leading to safety issues, improper handling, and increased wear on the tires. It's essential to use rims that match the manufacturer's specifications for your vehicle. Always consult a professional if you're unsure about tire and rim compatibility.
255/85r16.
17 inch diameter rim versus 16 inch diameter rim
255 = width in mm 65 is the aspect ratio 65% of 255 mm in sidewall height. R = radial tire 16 = 16 inch diameter rim so the 70 tire is 1 inch taller overall and at a speedo reading of 60 you will be going 62.1mph