If you’re expecting the Optima to be a budget alternative to mainstream saloons like the Ford Mondeo and Vauxhall Insignia, then you might be a wee bit disappointed. It’s a shade cheaper to buy than its rivals, but no more than that, and you’re less likely to be able to negotiate a discount with your dealer. Resale values are nothing special for the class, either. Perhaps more critically, it’s not all that cost effective for the company car drivers with which cars like this are immensely popular. The CO2 emissions of 128g/km place it in a relatively high band for company car tax payments when compared with its best rivals, and a claimed average fuel return of 57.6mpg is no great shakes, either.. The Kia Optima looks good, but has some serious flaws in other areas, most notably ride comfort, refinement, interior quality and running costs. If you’re not absolutely sold on the Optima’s looks, we’d point you towards one of the many alternatives in the family car class that provide more. The Optima scored maximum points for the protection of the front passenger in that test, with good protection of all critical body areas. Dummy readings indicated good protection of the knees and femurs of both dummies and Kia showed that a similar level of protection would be provided to occupants of different sizes and to those sat in different positions. In the full-width rigid barrier test .