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107 owner complaints and 2 active recall campaigns on file. Here's the breakdown — what's serious, what's noise, what a working mechanic would actually do about it.
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.
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.
An engine stall can increase the risk of a crash.
Reduced visibility while driving can increase the risk of 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.
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.