Explore quality used engines for the Audi A4 at Turbo Auto Parts. Choose from petrol options like the 1.4L, 2.0L TFSI (190–252 hp), and performance 3.0L V6, or efficient diesels such as 2.0 TDI and 3.0 TDI (218–272 hp). All units are tested, OEM-compatible, and backed by fast shipping and warranty. https://turboautoparts.com/used-engine/audi/a4