Just swapped to 18" Michelin cross climate 2. I'm surprised how much more comfortable the 20" Perelli tires are. Although I'm seeing a 10-15% increase in efficiency, so I'm not complaining. :
Michelin Cross Climate 2 A/W | Big O Tires
MICHELIN CrossClimate2 - Car Tire | MICHELIN USA
Michelin Agilis Cross Climate | Tire Pros
Michelin CrossClimate SUV | Tire Rack
Michelin CrossClimate2 | Tire Rack
Michelin CrossClimate2 All Weather 225/45R18XL 95V - Walmart.com