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The 2018 Mazda Mazda3 has 107 NHTSA owner complaints and 2 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 Mazda Mazda3 has 107 NHTSA owner complaints and 2 recalls on file (U.S. federal records, as of July 2026). The most-reported system is electrical at 28 complaints, typically surfacing around 28,293 miles (~$850 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2015 Mazda3 | 129 | 0 |
| 2016 Mazda3 | 102 | 4 |
| 2017 Mazda3 | 83 | 0 |
| 2018 Mazda3 (this page) | 107 | 2 |
| 2019 Mazda3 | 73 | 5 |
| 2020 Mazda3 | 32 | 2 |
| 2021 Mazda3 | 49 | 1 |
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: No
Source: NHTSA New Car Assessment Program — tested configuration: 2018 Mazda Mazda3 4 DR FWD. 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: visibility is flagged severe on this model , showing up around 47,573 mi. Inspect it closely on a test drive.
Run the VIN from the listing — 2 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 7.4/10 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.
Touchscreen in vehicle is randomly changing without my touching the screen. This is a well-documented issue in other 2014-2016 Mazdas for which a recall has been previously issued. However, my vehicle also experiences this same issue ("ghost touch") which indicates to me that…
My 2018 Mazda 3 has an intermittent electrical failure on the high-speed CAN network that causes multiple safety-critical systems to fail while driving. When the fault occurs, the dash lights up with warnings for powertrain, ABS/traction, lane departure, collision-avoidance,…
NHTSA: #23V-487 This recall has not been resolved yet despite it being established in July 2023. States no remedy available, and this is very frustrating.
What component or system failed or malfunctioned, and is it available for inspection upon request? The high-pressure fuel pump failed. This component failure prevents the car from starting or staying running. The check engine code confirmed the high-pressure fuel pump failure.…
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Reduced visibility while driving can increase the risk of crash.
An engine stall can increase the risk of a crash.
Mostly yes. With a reliability score of 7.4 out of 10 based on 107 owner complaints filed with NHTSA, the 2018 Mazda Mazda3 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 Mazda Mazda3 is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.4/10 — around the segment average; 2 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 28 owner complaints filed. Typical failure occurs around 28,293 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 7.4 out of 10 on our NHTSA-based read of 107 owner complaints. The main thing to watch is electrical. Typical failure occurs around 28,293 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 28 complaints filed. Typical failure occurs around 28,293 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 28,293 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 107 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.