Audi RS Q8 Problems: 5 Issues Every Owner Should Know
2020-2026 model years · 645+ owner reports · Updated April 2026
According to Au7o's analysis of 645+ owner reports, the 2020-2026 Audi RS Q8 has 5 documented known issues, with 2 rated critical. The most serious are 4.0T Turbo Coolant System in SUV Application ($800-$2,500 repair) and Adaptive Air Suspension Failure Under SUV Weight ($1,200-$4,500 repair). The most commonly reported issue is Premature Brake Wear on Heavy Performance SUV with 278 owner reports. Across all issues, repair costs range from $500 to $4,500. DIY maintenance guides at au7o.io.