It's been nearly four years since I put these on my '08 Pathfinder, and probably around 60-65k miles. With NTB's b2g2 offer, I'll probably be purchasing another set this month. I average about 20.5-21mpg hwy at 80mph and 87 octane. 22.5+ at 65 but i can't go that slow. Never had an issue with them t...