For 2001, South Korean auto brand Kia Motors presents the United States car buyer with two all-new vehicles. The first mid-sized, four-door sedan sold by Kia in the United States, the Optima is marketed squarely to fight with the Toyota Camry and Honda Accord touting more budget-friendly price tag. Four-cylinder and six-cylinder engine options are available with the 2001 Kia Optima. For 2001, Kia debuts an all-new entry-level subcompact vehicle with the Rio. Being priced as one of the most affordable new cars in the United States car market, the Kia Rio arrives as a four-door sedan. The 2001 Kia Sportage notably added a Limited trim level that adds upgraded features such as a six-speaker audio system and special exterior details. For 2001, Kia introduces a longer basic warranty for their vehicles extended to the term of 5-year or 60,000 miles.