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ProblemsByVin File / 2020-MAZDA-MAZDA3 NHTSA data synced 9 hours ago
2020 · Mazda

Mazda Mazda3 problems

Light NHTSA footprint — 31 owner complaints and 2 active recall campaigns. Either a clean record or thin data; we'll show what's there.

0 5 10
Reliability score
8.0 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
2
Severe
0
Moderate
Should you avoid this 2020 Mazda3?
Generally reliable

Buyable on the data — keep up the usual maintenance and inspect normally.

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.

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Top trouble spots 3 categories with 3+ complaints

brakes
3 reports · fails ~5,853 mi · avg $450
moderate
electrical
3 reports · avg $850
moderate
steering
3 reports · fails ~1,177 mi · avg $700
moderate
Buyer's checklist
Going to look at one? Use the pre-purchase inspection list.
Generated from this 2020 Mazda3's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.
See the checklist ->
Honest Calculator
Should you buy an extended warranty on this 2020 Mazda3?
We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.
See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2020 Mazda3 · electrical
El vehiculo tiene problemas de encendido, despues de estar en reposo dos dias no enciende se tiene que pasar corriente, inclusive en manejos cortos al volver a encender el vehiculo presenta el mismo problema, este es un problema en la mayoria de este tipo de vehiculos, mismos…
2020 Mazda3 · suspension
I pulled into the driveway (at about 5 mph) of my passenger's home, when a very loud, metallic pop occurred somewhere inside my vehicle. I could not discern the problem by visually inspecting the car. Upon returning to my home, I arranged for the dealership to inspect the…
11/18/2025 · NHTSA ODI #11700190.0
2020 Mazda3 · steering
TSB 02-003/24 Car front suspension bolts corroded and making metal on metal sounds during turning and braking
2020 Mazda3 · steering
My new 2020 Mazda 3 premium with 1,177 miles suddenly took complete control of steering my car. Driving 65-70 MPH on a 3 lane straight highway on a clear day, with light traffic, I moved one lane to my left, and the car took over the steering, pulling my car out of the left lane…
09/29/2020 · at 1,177 mi · NHTSA ODI #11361790.0 · see steering pattern →
View all 31 owner complaints →
Had a problem with your 2020 Mazda Mazda3? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

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At 80,000 miles
Likely repair cost in next 24 months
$0

Active recalls showing 2 of 2

severe NHTSA 19V907000 December 19, 2019

Mazda North American Operations (Mazda) is recalling certain 2019-2020 Mazda3 vehicles

Stopping the vehicle unexpectedly increases the risk of a crash.

Fix: Mazda will notify owners, and dealers will update the SBS software. In addition, vehicles with certain production dates will receive an instrument cluster software update or replacement and a replacement owner's manual. These repairs will be performed free of charge. The recall began February 14, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4219L.
severe NHTSA 20V346000 June 12, 2020

Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles

Loose brake calipers can reduce braking performance or interfere with wheel rotation, affecting vehicle handling. Either of these scenarios can increase the risk of a crash.

Fix: Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.

Common questions

Is the 2020 Mazda Mazda3 reliable?

Mostly yes. With a reliability score of 8.0 out of 10 based on 31 owner complaints filed with NHTSA, the 2020 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.

Should you avoid the 2020 Mazda Mazda3?

On the NHTSA data, the 2020 Mazda Mazda3 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.0/10 — above 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.

What's the most common problem on the 2020 Mazda Mazda3?

Based on NHTSA records, the most-reported issue is brakes, with 3 complaints filed. Typical failure occurs around 5,853 miles. Average repair cost runs about $450 at an independent shop.

What's the most expensive thing that goes wrong?

The brakes is one of the costlier repair items. Average repair cost runs about $450 at an independent shop. Typical failure occurs around 5,853 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Mazda Mazda3 has open recalls?

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.

Is an extended warranty worth it on a 2020 Mazda Mazda3?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 31 complaints on file and the costliest repair averaging $450, 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.

Related

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 9 hours ago. Verify the raw federal record at nhtsa.gov/vehicle/2020/Mazda/Mazda3. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with Mazda. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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