Hyundai Equus is a luxury sedan produced by the South Korean automaker Hyundai since 1999. It was previously known as the Hyundai Centennial and then Hyundai Grandeur, but was rebranded as the Equus for a more international appeal. It is offered in two trim levels: Signature and Ultimate. The Equus features a large, comfortable interior and is powered by a V8 engine that produces up to 429 horsepower. It also offers a variety of modern technology features, such as a touch screen infotainment system, a 16-speaker Lexicon audio system and power adjustable front seating.