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1 safety recall. 49 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Part easily break away during washing. Fuel door cover lid panel (BDYT-42-411) broke in automatic car wash.
Instrument panel display shows a warrning message: Air Bag System Malfunction. Have the Vehicle inspected.
The contact owns a 2021 Mazda Mazda3. The contact received notification of an unknown Class Action Lawsuit Number however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the repair. The manufacturer…
Radiators are failing 3 years after the warranty period. Its leading to coolant lost and perhaps overheating the engine.
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.
Mostly yes. With a reliability score of 8.0 out of 10 based on 49 owner complaints filed with NHTSA, the 2021 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.
Based on NHTSA records, the most-reported issue is engine, with 16 complaints filed. Average repair cost runs about $3,100 at an independent shop.
The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. 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 49 complaints on file and the costliest repair averaging $3,100, 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 aren't always better value.