What are the most common Subaru Legacy problems?

According to Au7o's analysis of 6,490+ owner reports, the 2000-2024 Subaru Legacy has 9 documented issues. The most frequently reported are: EJ25 Head Gasket Failure, CVT Transmission Failure, FB25 Engine Oil Consumption. Of these, 4 are rated critical and should be addressed promptly.

How much does it cost to fix common Subaru Legacy problems?

Repair costs for known Subaru Legacy issues range from $0 to $8,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, EJ25 Head Gasket Failure, typically costs $1,600-$3,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Subaru Legacy is the most reliable?

Reliability varies across model years of the Subaru Legacy. Based on owner reports, issues are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2000-2024 Subaru Legacy with 9 documented issues from 6,490+ owner reports.

Subaru Legacy Problems: 9 Issues Every Owner Should Know

2000-2024 model years · 6,490+ owner reports · Updated April 2026

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According to Au7o's analysis of 6,490+ owner reports, the 2000-2024 Subaru Legacy has 9 documented known issues, with 4 rated critical. The most serious are EJ25 Head Gasket Failure ($1,600-$3,000 repair), CVT Transmission Failure ($200-$8,000 repair), FB25 Engine Oil Consumption ($0-$4,500 repair) and Thermo Control Valve Failure Causing Check Engine Light, Poor Heater Performance, and Possible Overheating ($1,200-$2,200 repair). The most commonly reported issue is EJ25 Head Gasket Failure with 3,800 owner reports. Across all issues, repair costs range from $0 to $8,000. DIY maintenance guides at au7o.io.

Subaru Legacy Problems: 9 Issues Every Owner Should Know

All 9 Known Issues

When Issues Typically Appear

Other Subaru Models

Frequently Asked Questions

What are the most common Subaru Legacy problems?

Is the Subaru Legacy reliable?

How much does it cost to fix common Subaru Legacy problems?

What year Subaru Legacy is the most reliable?