The Audi TT (8J) 2.0 TDI Quattro is a compact premium sports coupé from the 2006–2014 generation, powered by a 2.0-liter turbocharged diesel engine producing around 170 hp and 350 Nm of torque, paired with a 6-speed manual gearbox and Audi’s Quattro all-wheel-drive system; it accelerates from 0–100 km/h in about 7.5 seconds, reaches roughly 226 km/h, and offers excellent fuel economy at about 5.3 L/100 km. Built on the Audi PQ35 platform, it features a lightweight body using aluminum/steel hybrid construction, sharp handling, and a 2+2 interior layout with limited rear seating and a practical hatchback-style boot. Known for its stability, grip, and everyday usability, it delivers strong mid-range performance typical of diesel engines, though with more noise and vibration than petrol versions. It stands out for combining sporty looks, efficient long-distance capability, and Quattro traction, but comes with typically higher Audi maintenance costs and fewer high-rev thrills compared to gasoline TTs.