245/45R20 vs 275/45R20: Gas Mileage & Performance Comparison
* Below is a comparison table. Assuming 2 tires of the same manufacturer, material and tested on the same road conditions.
|Wet/Snowy Roads||Reduced Traction||Better Traction|
|Rough Terrain||Smoother Ride||Reduced Stability|
|Cost||More Expensive||Less Expensive|
Can You Replace The 275/45R20 With The 245/45R20?
No, both tires have the same rim diameter, but the 245/45R20 has a smaller overall diameter than the 275/45R20 which is -3.71% (1.06-inch).
When you want to replace a different tire size, as a rule, for the rim diameter, you will need to be sure that your tires and rims are an exact match, e.g. a 275/45R20 tire will only fit on a 20″ diameter rim.
You Can check our tools and charts below to find your size: