Audi A5 Problems: 9 Issues Every Owner Should Know
2008-2023 model years · 3,400+ owner reports · Updated April 2026
According to Au7o's analysis of 3,400+ owner reports, the 2008-2023 Audi A5 has 9 documented known issues, with 3 rated critical. The most serious are EA888 Timing Chain Tensioner Failure ($1,500-$3,500 repair), S-Tronic/DSG Mechatronic Unit Failure ($1,500-$5,000 repair) and Timing Chain Tensioner Failure (2.0 TFSI Engine) ($2,000-$10,000 repair). The most commonly reported issue is EA888 Timing Chain Tensioner Failure with 1,800 owner reports. Across all issues, repair costs range from $0 to $10,000. DIY maintenance guides at au7o.io.