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ProblemsByVin File / 2018-MAZDA-MAZDA3
2018 · mazda

mazda Mazda3 problems

2 safety recalls. 106 owner complaints. We mapped every trouble spot before you sign the papers.

0 5 10
Reliability score
7.4 / 10

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

0
Critical
2
Severe
0
Moderate

Top trouble spots 6 categories with 3+ complaints

electrical
28 reports · avg $850
moderate
visibility
14 reports · avg $350
severe
engine
7 reports · avg $3,100
moderate
brakes
5 reports · avg $450
severe
powertrain
5 reports · avg $2,500
moderate
fuel system
3 reports · avg $1,200
moderate

What owners are saying recent NHTSA-filed complaints · verbatim

2018 Mazda3 · electrical
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…
12/15/2023 · NHTSA ODI #11560347.0
2018 Mazda3 · other
The driver side if the door handle metallic wrap has begun peeling, I reached for my door handle and was cut by the wrap as it had torn away from the glued seems. It is small enough to cut my hand but barely visible to the naked eye. I had to put tape over the door handle to…
12/10/2024 · NHTSA ODI #11629883.0
2018 Mazda3 · other
Fuel smell after a fill-up, fuel pump is cracked/deformed EXACTLY as described in Mazda bulletin 5321K (THIS BULLETIN EXCLUDES THIS MODEL). Strong fuel smell in the cabin, liquid fuel leaking from the top of the tank.
11/28/2023 · NHTSA ODI #11557227.0
2018 Mazda3 · powertrain
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,…
11/19/2025 · NHTSA ODI #11700428.0

Estimate your repair exposure

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

0 mi 200k mi
At 80,000 miles
Likely repair cost in next 24 months
$0

Active recalls showing 2 of 2

severe NHTSA 17V745000 21/11/2017

Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3 vehicles, equipped with an incorrect exhaust valve spring

An engine stall can increase the risk of a crash.

Fix: Mazda will notify owners, and dealers will inspect the engines and replace any incorrect exhaust valve springs, free of charge. The recall is expected to begin January 20, 2018. Owners may contact Mazda customer service at 1-800-222-5500. Mazda's number for this recall is 1717K.
severe NHTSA 19V272000 04/04/2019

Mazda North American Operations (Mazda) is recalling certain 2016-2018 Mazda3 vehicles

Reduced visibility while driving can increase the risk of crash.

Fix: Mazda will notify owners, and dealers will replace the front body control module with a new module which uses an improved wiper relay design, free of charge. The recall began May 7, 2019. Owners may contact Mazda customer service at 1-800-222-5500, option 4. Mazda's number for this recall is 3219D.

Common questions

Is the 2018 Mazda Mazda3 reliable?

Mostly yes. With a reliability score of 7.4 out of 10 based on 106 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.

What's the most common problem on the 2018 Mazda Mazda3?

Based on NHTSA records, the most-reported issue is electrical, with 28 complaints filed. Average repair cost runs about $850 at an independent shop.

What's the most expensive thing that goes wrong?

The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. 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 2018 Mazda Mazda3?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 106 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 aren't always better value.

Related vehicles

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 15 hours ago. 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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