225/45-R17 vs 225/45-R18 Tire Comparison - Tire Size Calculator

225/45-R18 tires are 1 inch (25.4 mm) larger in diameter than 225/45-R17 tires and the speedometer difference is 3.8%

Tire Size Converter

Switching from 225/45/R18 to 235/40/R18? : r/tires

235/55 R17 tires 3rd Gen ?

Tire Size Converter

The differences between 17, 18 and 19 inch tyres - Tyre reviews and ratings

Tire code - Wikipedia

Bridgestone Potenza Sport AS 235/45R18 XL Tires

Cooper Zeon RS3-G1™ Tire

225 vs 245 tires - Top Tire Review