Better Fuel Economy Factory Ratios Increased Power. vs 225/50-17 vs 225/45-17 vs 275/40-17. 245/45-R18 tires are 1 inch (25.4 mm) larger in diameter than 245/45-R17 tires and the speedometer difference is 3.8%. All Tires For 245/45R17 Free Shipping Learn More about Free Shipping Tire Rack Pledge Learn More about Tire Rack Pledge. Sort By. Filter View By. Original Equipment In all other areas Dunlop Sport Maxx RT 2 scores perfect 10 too. Helpful 113 - tyre reviewed on September 14, 2016. Given 39% while driving a BMW 535d M Sport (245/45 R18 W) on mostly motorways for 5,000 average miles. These have moderate performance, but are blighted by two significant problems: 1. 245/40-R17 tires are 0.45 inches (11.5 mm) larger in diameter than 205/45-R17 tires and the speedometer difference is 1.8% Tech Scroll : Start Over Select Another Size Expanded View View Mode: 245-50R17, 245-45R17 tire size comparison with 1010tires.com Tire Size calculator. Use our tire calculator to compare tire sizes based on tire diameter, radius, sidewall height, circumference, revs per mile and speedometer difference. Apr 23, 2020 · Fullway HP108 All-Season Passenger Car High Performance Radial Tire-245/45R17 245/45ZR17 245/45/17 245/45-17 99W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA 8,067 $77.93 $ 77 . 93 1:02 XCwV.

245 40 r17 vs 245 45r17