The term 'MAKER OF THE OPTIMA' can be answered with the three-letter word 'KIA'. Kia Motors Corporation is a South Korean multinational automotive manufacturer headquartered in Seoul. It is the second largest automobile manufacturer in South Korea after Hyundai Motor Company and it is one of the world's fastest growing automakers. Kia has been producing the Optima sedan since 2000, and it is now in its fourth generation. The Optima is known for its sleek design, advanced safety features, and powerful engine.