The Honda S2000 is a rear-wheel drive roadster manufactured by Honda from 1999 to 2009. The S2000 revived the Honda S roadster series, which was absent for twenty-nine years. Enthusiasts consider the S2000's engine as one of the most powerful naturally aspirated inline-four engines ever built. Worldwide, the S2000 has won many awards for its genuine driving quality and reliability. The S2000 underwent a facelift in 2004 that is internally designated as AP2.