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The 2018 Subaru Legacy has 116 NHTSA owner complaints and 3 active recall campaigns on file. Here's the breakdown — what's serious, what's noise, and what a working mechanic would actually do about it.
The 2018 Subaru Legacy has 116 NHTSA owner complaints and 3 recalls on file (U.S. federal records, as of August 2026). The most-reported system is electrical at 38 complaints, typically surfacing around 22,299 miles (~$850 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2015 Legacy | 159 | 3 |
| 2016 Legacy | 145 | 3 |
| 2017 Legacy | 118 | 2 |
| 2018 Legacy (this page) | 116 | 3 |
| 2019 Legacy | 123 | 3 |
| 2020 Legacy | 121 | 6 |
| 2021 Legacy | 31 | 3 |
Solid reliability overall. Common issues are concentrated in a few systems.
Worth owning if you verify the specific issues below before you buy.
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Driver-assist features on the tested model: Electronic stability control: Standard · Forward collision warning: Optional · Lane departure warning: Optional
Source: NHTSA New Car Assessment Program — tested configuration: 2018 Subaru Legacy 4 DR AWD. Stars rate crash protection in NHTSA's tests, not overall reliability — see the owner-complaint data below for what actually goes wrong.
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
⚠ The one to take seriously: engine is flagged severe on this model , showing up around 34,000 mi. Inspect it closely on a test drive.
Run the VIN from the listing — 3 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 7.2/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
While stopped at a red light as soon as the light turned green I proceeded to accelerate and heard a rattle and then a loud boom explosion sound. My torque converter, engine, and flexplate exploded causing it in operable and placed me in an unsafe location stranded on the…
During regular use of the radio and head unit, at times the touch screen or controls, dials, buttons will be unresponsive. The Android Auto software tends to malfunction and will randomly disconnect and the audio will blast, full volume at the driver with the inability to…
Ran out of gas on a flat highway, when the indicator said there were 30 miles left. Gague went from 1/4 to 0 in less than 20 miles.
Subaru battery drainage defect. CAN electrical system causing battery to drain when car isn't running. Car may unknowingly not start at any time battery could be dead. Just put new battery in 1 year ago this did not fix the issue. I shouldn't have to worry about being stranded…
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Failure to display the rearview image while backing up increases the risk of crash.
The inaccurate fuel display may cause a driver to unexpectedly run out of fuel and the vehicle to stall, increasing the risk of a crash.
Mostly yes. With a reliability score of 7.2 out of 10 based on 116 owner complaints filed with NHTSA, the 2018 Subaru Legacy is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
The 2018 Subaru Legacy is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.2/10 — around the segment average; 3 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
Inspect the electrical first — it's the most-reported issue on this model, with 38 owner complaints filed. Typical failure occurs around 22,299 miles. Average repair cost runs about $850 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
It scores 7.2 out of 10 on our NHTSA-based read of 116 owner complaints. The main thing to watch is electrical. Typical failure occurs around 22,299 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
Based on NHTSA records, the most-reported issue is electrical, with 38 complaints filed. Typical failure occurs around 22,299 miles. Average repair cost runs about $850 at an independent shop.
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 22,299 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 116 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.