Went thru the same quandary with my original Goodyear tires on a 2014 Titan. Right at 30,000 miles on them but the date code was late 2013. Figured that if the new set lasts 6-7 years, why not go ahead and replace? Found some Bridgestone Duelers on sales at Discount Tire and have not looked back. The ride is smoother and quieter and now no worries. It's not like I'm going to wear this set out either!! At 11-12 MPG around town, 9-10 towing and gas at $3.00 a gallon; I'm not going too far anytime soon!