Mazda Mazdaspeed6 Problems: 5 Issues Every Owner Should Know
2006-2007 model years ยท 370+ owner reports ยท Updated April 2026
According to Au7o's analysis of 370+ owner reports, the 2006-2007 Mazda Mazdaspeed6 has 5 documented known issues, with 3 rated critical. The most serious are AWD Transfer Case Seal Failure and Internal Destruction ($300-$3,500 repair), Connecting Rod Failure Under Boost at Low RPM ($3,000-$7,000 repair) and Turbocharger Oil Starvation and Failure ($600-$2,000 repair). The most commonly reported issue is AWD Transfer Case Seal Failure and Internal Destruction with 150 owner reports. Across all issues, repair costs range from $80 to $7,000. DIY maintenance guides at au7o.io.