225/50-R17 tires are 0.98 inches (24.9 mm) larger in diameter than 205/55-R16 tires and the speedometer difference is 3.8%.
225/50-R17 tires are 0.79 inches (20 mm) larger in diameter than 205/50-R17 tires and the speedometer difference is 3.1%.
205/55-R16 tires are 0.81 inches (20.5 mm) larger in diameter than 205/50-R16 tires and the speedometer difference is 3.2%.Ppy77. 295 136 227 170 267 430 309 175 420