I had a yellow top back in 2000 and it barely lasted 13 months. Back then, the yellow tops only came with a one year warranty. So I bought a red top in 2001 and that ****** barely lasted two years. After that , in 2003 I went with a Sears Die Hard. I had plenty of friends with similar experiences with Optima batteries. The longest any of them lasted was right at 3 years. I had that same Die Hard that I bought in 03 in my old Cutlass when Katrina hit in 05. I replaced the starter, alternator, and the battery cables, but charged the battery and it tested good. I fixed up the car and got it running again, even after sitting in about 4 feet of water for lord knows how long. I eventually sold it in 2007 because it had so much rust and it would be too big a job for me to restore it properly. That Die hard was still in there when I sold it.