Subaru Legacy Common Faults

25
Fault Reports
24
Solved
7
Model Years
📖 How to Use This Page

Every figure below comes from owner-submitted fault reports for this exact model — not a manufacturer spec sheet. Jump to any section, or scroll through for the full picture before buying or diagnosing a problem.

📊 Data Score 📋 Overview 🔍 Reliability 🗂️ Problem Categories 💰 Repair Costs 💡 Buying Advice 🔧 Full Fault List ❓ FAQ

📊 Subaru Legacy Data Score

Reliability Score
78/100
Good
Resolution Rate
96%
24 of 25 confirmed fixed
Risk Level
Low
0 serious/critical cases
Maintenance Complexity
High
7 systems affected

📐 The MyCarFault Score blends this model's resolution rate (% of reports with a confirmed fix) and severity mix of its 25 reported cases. It reflects our database only, not a manufacturer or third-party rating.

📋 Most Reported Problems

🗂️ Problem Categories

Which vehicle systems generate the most reports for the Subaru Legacy, based on all 25 cases on this page.

Engine
14 (56%)
Transmission
2 (8%)
Brakes
2 (8%)
Suspension
2 (8%)
Electrical
2 (8%)
Other
2 (8%)
Exhaust
1 (4%)

🛠️ High maintenance complexity — issues span 7 different systems, with an average reported repair cost of $1,350. Models touching fewer systems are generally simpler and cheaper to keep on top of.

⚡ Quick Summary
Fault Reports
25
24 with confirmed fix
Est. Repair Cost
$1,350
avg · $375–$2150 range
Fix Rate
96%
of reported faults solved

Subaru Legacy drivers have shared 25 fault reports, covering problems such as Subaru Legacy 2014 Transmission slipping between gears, Subaru Legacy 2020 Timing chain rattle on cold start, Subaru Legacy 2012 P0300 random misfire rough idle, Subaru Legacy 2014 Timing chain rattle on cold start and Subaru Legacy 2021 Check engine light P0171 lean mixture.

📋 Subaru Legacy Overview

The Subaru Legacy has 25 owner-reported faults recorded on MyCarFault. Documented issues include Subaru Legacy 2014 Transmission slipping between gears, Subaru Legacy 2020 Timing chain rattle on cold start, Subaru Legacy 2012 P0300 random misfire rough idle, Subaru Legacy 2014 Timing chain rattle on cold start, and Subaru Legacy 2021 Check engine light P0171 lean mixture.

96% of reported issues have a confirmed driver-verified fix.

Estimated repair costs based on owner-reported data range from $375 to $2150, with an average of $1,350 USD. Costs vary by fault type, garage type, and parts availability in your region.

Long-term Subaru Legacy ownership appears manageable based on community data. A high proportion of reported faults have confirmed fixes, suggesting problems are diagnosable and repairable by informed owners and independent garages.

🔍 Reliability Snapshot

Fault Reports
25
Verified Fixes
24
Est. Repair Cost
$1,350
Most Common Issue
Subaru Legacy 2014 Transmission slipping…
Owner Confidence
High

💰 Repair Cost Insight

Based on 25 owner-reported Subaru Legacy fault cases where cost data was provided:

Average Cost
$1,350
Lowest Estimate
$375
Highest Estimate
$2,150

Estimates are owner-reported and vary by region, garage type, and parts availability. Independent specialists typically charge 30–50% less than main dealers for the same repair.

💡 Should You Buy a Used Subaru Legacy?

Reports on File
25
Resolution Rate
96%
Most-Affected System
Engine
Risk Level
Low

Thinking about buying a used Subaru Legacy? Here is what our fault data suggests.

The Subaru Legacy has a significant number of community-reported faults. This does not necessarily mean the car is unreliable — high fault counts often reflect high ownership numbers. Focus on whether the known issues on this page have been addressed on the specific car you are viewing.

The most reported issue is "Subaru Legacy 2014 Transmission slipping between gears". Ask the seller specifically about this before committing to a purchase, and have an independent mechanic check for it during a pre-purchase inspection.

An independent pre-purchase inspection (PPI) is strongly recommended regardless of the seller's assurances or the car's service history.

❓ Common Questions About the Subaru Legacy

YEAR: All 2022 2021 2020 2015 2014 2012 2003

🔧 Reported Faults


🟢
Subaru Legacy 2014 Transmission slipping between gears
2014
1 fix
👁 1,989
🟢
Subaru Legacy 2020 Timing chain rattle on cold start
2020 💰 $800–$3500 USD
1 fix
👁 1,794
🟢
Subaru Legacy 2012 P0300 random misfire rough idle
P0300 2012
1 fix
👁 1,715
🟢
Subaru Legacy 2014 Timing chain rattle on cold start
2014 💰 $800–$3500 USD
1 fix
👁 1,670
🟢
Subaru Legacy 2021 Check engine light P0171 lean mixture
P0171 2021
1 fix
👁 1,595
🟢
Subaru Legacy 2012 Engine oil leak from valve cover
2012
1 fix
👁 1,262
🟢
Subaru Legacy 2021 Coolant leak from engine area
2021
1 fix
👁 1,228
🟢
Subaru Legacy 2020 Brake pads worn squealing noise
2020 💰 $150–$600 USD
1 fix
👁 1,217
🟢
Subaru Legacy 2015 Front suspension clunking over bumps
2015 💰 $150–$1200 USD
1 fix
👁 1,203
🟢
Subaru Legacy 2020 Catalytic converter P0420 code
P0420 2020 💰 $200–$1500 USD
1 fix
👁 945
🟢
Subaru Legacy 2022 Battery draining overnight parasitic drain
2022
1 fix
👁 848
🟢
Subaru Legacy 2014 Check engine light P0171 lean mixture
P0171 2014
1 fix
👁 844
🟢
Subaru Legacy 2022 P0300 random misfire rough idle
P0300 2022
1 fix
👁 828
🟢
Subaru Legacy 2012 Timing chain rattle on cold start
2012 💰 $800–$3500 USD
1 fix
👁 814
🟢
Subaru Legacy 2020 P0300 random misfire rough idle
P0300 2020
1 fix
👁 751
🟢
Subaru Legacy 2014 CVT transmission shudder and jerking
2014 💰 $150–$4000 USD
1 fix
👁 729
🟢
Subaru Legacy 2021 P0300 random misfire rough idle
P0300 2021
1 fix
👁 697
🟢
Subaru Legacy 2022 ABS warning light on
2022
1 fix
👁 694
🟢
Subaru Legacy 2012 Power steering heavy and whining
2012
1 fix
👁 651
🟢
Subaru Legacy 2015 Car wont start clicking sound
2015
1 fix
👁 630
🟢
Subaru Legacy 2015 AC not blowing cold air compressor issue
2015
1 fix
👁 588
🟢
Subaru Legacy 2021 Engine overheating temperature gauge high
2021
1 fix
👁 507
🟢
Subaru Legacy 2015 Engine oil leak from valve cover
2015
1 fix
👁 460
🟢
Subaru Legacy 2022 Brake pads worn squealing noise
2022 💰 $150–$600 USD
1 fix
👁 378
Subaru Legacy Mk4 3.0R H6 Timing Chain Service
2003 Low
👁 17

🚗 Drivers Also Viewed

Subaru Impreza 49 faults → Subaru Outback 27 faults → Subaru Forester 27 faults → Subaru BRZ 24 faults → Subaru XV 24 faults →

Own a Subaru Legacy?

Share your fault or fix and help other owners save money.

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🩺 Common Symptoms
P0300 — random misfire causing rough idle Timing chain rattle on cold start Check engine light — P0171 lean code Engine oil leak from valve cover Brake pads worn — squealing noise Automatic transmission slipping between gears
🔢 Common OBD Codes
P0300 P0171 P0420
🔧
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