The 2012 Audi A8 4.2 TDI Quattro is a luxurious and powerful full-size sedan with impressive specifications. Here are the key details: Engine and Performance Engine Type: 4.2-liter, V8 turbocharged diesel (TDI) Power: 258 kW at 4000 rpm Torque: 800 Nm at 1750-2750 rpm Transmission: 8-speed automatic (tiptronic) Drive: All-wheel drive (AWD) Top Speed: 250 km/h Acceleration (0-100 km/h): 5.6 seconds Fuel Economy City: 9.4 L/100 km Highway: 6.4 L/100 km Combined: 7.5 L/100 km Fuel Tank Capacity: 90 liters Curb Weight: Approximately 2,120 kg Interior and Cargo Seating Capacity: 5 seats Boot Capacity: 510 liters Features Technology: Advanced infotainment system, Bluetooth, USB connectivity, multi-function display Safety: Multiple airbags, ABS, electronic stability control, traction control Comfort: Air conditioning, power windows, leather upholstery, and premium sound system The Audi A8 4.2 TDI Quattro is known for its luxurious interior, powerful performance, and advanced technology features.