Various bushings—located around the subframe, suspension, and steering—deteriorate with age. A clunking noise when driving over bumps, accelerating, or stopping may be a sign of worn bushings.
Car Problem Reports
Audi A8 Quattro Bushings May Deteriorate With Age and Cause Noise
Audi A8 Quattro Problem
Average Mileage: 127,500 mi (80,000 mi - 175,000 mi)