The 2004 Volvo S80 is part of the luxury sedan's first generation. Under the hood lies a range of engine options starting from a 2.9-liter inline-six with 208 horsepower to a twin-turbocharged 2.9-liter inline-six delivering 268 horsepower in the T6 model. These engines are mated to a four-speed automatic transmission directing power to the front wheels. The S80 is available in two main trims: 2.9 and T6, both boasting a rich selection of luxury amenities. Notably, it features a comprehensive safety package including stability and traction control, emergency brake assist, and side-curtain airbags. The S80's infotainment system comes with a CD player, a comprehensive telematics system, and an optional navigation system.