2003 Subaru Outback Problems: 1 Issue Every Owner Should Know
2003 model year · 4,521+ owner reports · Updated July 2026
According to Au7o's analysis of 4,521+ owner reports, the 2003 Subaru Outback has 1 documented issue, with 1 rated critical. The most serious is Head Gasket Failure ($1,500-$2,500 repair). The most commonly reported issue is Head Gasket Failure with 4,521 owner reports. Across all issues with published estimates, repair costs range from $1,500 to $2,500. DIY maintenance guides at au7o.io.