55000-Mile Limited Warranty for H-/V-Rated Sizes. 45,000-Mile Limited Warranty for W-Rated Sizes [3] MICHELIN® Primacy™ MXM4® 225/55R17 97H MO ZP BSW. Check availability MSPN 16234 . Mileage Warranty 30,000 Usethe above link to compare tire sizes. 225 is the width. 50 is the profile of the tire, which is a percentage of the width. 225/50 will be narrower but taller than the 235/45. onerarrior • 2 yr. ago. Especially for winter tires, you want taller and narrower than your summer, that way the tires dig through the snow down to the road. Thediameter of the 225/50/17 is exactly what the OEM tire is unless you are looking to decrease a bit of wheel gap. The Kumho's are also a good tire for a reasonable price (235/50/17) SMOKE SE-R 6spd. 06' 350Z 6spd delivered Nov. 17th !!!! 22555-R17 tires are 0.49 inches (12.5 mm) larger in diameter than 235/50-R17 tires and the speedometer difference is 1.8%. 22555-R17 tires are 0.41 inches (10.5 mm) smaller in diameter than 215/60-R17 tires and the speedometer difference is 1.5%. 21555/17 would be more proper for a 7" wheel, while 225/55/17 would be good for a 7.5". 225/50/17 would work for either, being a bit too much for a 7", but it would still work. EDIT: Looks like they are 17x7, same as the earlier XTs. Explorethe collection of vehicles riding on P 225/50 R17 tire size which turns them into competitors to some extent. The list of cars below is compiled assuming P 225/50 R17 is their factory tire size. Acura tire size TSX (2009-2014) Audi tire size TT ; TTS ; A4 (2009-2022) A5 ; S3 (2015-2016) 22555-R17 tires are 1.77 inches (45 mm) smaller in diameter than 225/65-R17 tires and the speedometer difference is 6.2%. AVT0.