Damn, this is nice for a Kia." I heard that a lot during my week with the Optima SX Limited (SXL). The SXL is the biggest and baddest Optima trim. It's fully loaded and is pricey for a Kia at $36,000 (my tester had an MSRP of $36,615). I'll admit that I was skeptical of a Kia priced at $36k. The automaker built its reputation on cheap cars with bulletproof warranties after all. But after a week with the Optima SXL (provided by the automaker) I'm convinced that spending $36,000 on a Kia isn't cra