I just bought a super start agm from oreilly's with the same reserve and a little more cranking amps than the d34m optima but $60.00 cheaper..i did sacrifice on full replacement warranty with only 9 months and a 24 month prorate but they are local and i do like to trade with the locals when i can....it's hard for me to believe that the optima is that much better than other agms on the market