RepairPal Certified shops can diagnose and repair your 2011 Audi A5 Quattro. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
There are many causes of catastrophic failure of engines. One of the major causes is lack of lubrication. We would need to see the engine to determine the cause.
Feel free to contact us at 908.218.9100 or bwmotorworks.com