Hey @babwine welcome to the forum! If you're looking for comfort then it's better to get the 19 inche wheels on your Air. If you're looking for something sportier then the 20 or 21 inch wheels would be better.What is best tire size for performance? Ride noise and comfort?
All other things being equal (a logical fallacy), performance and comfort are at war with each other. With careful selection of tires one can mitigate the trend in either direction but physics is still physics.Hey @babwine welcome to the forum! If you're looking for comfort then it's better to get the 19 inche wheels on your Air. If you're looking for something sportier then the 20 or 21 inch wheels would be better.
What is best tire size for performance? Ride noise and comfort?
19's would be the smoother ride and quieter ride also.What is best tire size for performance? Ride noise and comfort?
Definitely, plus there's more tire options to choose from at 19 inches than 21s.19's would be the smoother ride and quieter ride also.