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ProblemsByVin File / 2018-MAZDA-CX-5
2018 · mazda

mazda CX-5 problems

1 safety recall. 94 owner complaints. We mapped every trouble spot before you sign the papers.

0 5 10
Reliability score
7.6 / 10

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

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Critical
1
Severe
0
Moderate

Top trouble spots 2 categories with 3+ complaints

engine
78 reports · avg $3,100
moderate
powertrain
12 reports · avg $2,500
moderate

What owners are saying recent NHTSA-filed complaints · verbatim

2018 CX-5 · engine
Cracked cylinder head due to defect in the casting process. Oil leaking thru the crack landing on the exhaust manifold causing an odor and possibly toxic fumes in the cabin of the vehicle.
12/31/2025 · NHTSA ODI #11707998.0
2018 CX-5 · engine
Purchased vehicle from dealership drove 1650 miles, cylinder head began leaking, excessive oil. Took vehicle to repair shop their assessment cracked cylinder head. Warranty expired, dealership refused help in addition to Mazda Corp. unless brought to nearest dealership 140 miles…
12/19/2024 · NHTSA ODI #11631637.0
2018 CX-5 · powertrain
The cylinder head on my 2018 Mazda CX-5 developed cracks on the exhaust side, leading to significant oil leakage onto the exhaust manifold. This has caused engine damage and safety concerns. The vehicle is currently at a Mazda dealership, where the issue has been inspected and…
12/17/2024 · NHTSA ODI #11631241.0
2018 CX-5 · engine
Mazda has inspected the car and determined that there is a crack in the cylinder head. This is apparently a known defect in 2018-2021 Mazdas with 2.5L engines, including, without limitation, the 2018 Mazda CX-5. The cracked cylinder head has caused leaking coolant, which can…
12/16/2025 · NHTSA ODI #11705314.0

Estimate your repair exposure

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Active recalls showing 1 of 1

severe NHTSA 18V426000 25/06/2018

Mazda North American Operations (Mazda) is recalling certain 2018 Mazda CX-5 vehicles

If the air bags do not deploy properly in a crash, it can increase the risk of injury.

Fix: Mazda will notify owners, and dealers will replace the curtain air bags, free of charge. The recall began July 31, 2018. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 2718F.

Common questions

Is the 2018 Mazda CX-5 reliable?

Mostly yes. With a reliability score of 7.6 out of 10 based on 94 owner complaints filed with NHTSA, the 2018 Mazda CX-5 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 CX-5?

Based on NHTSA records, the most-reported issue is engine, with 78 complaints filed. Average repair cost runs about $3,100 at an independent shop.

What's the most expensive thing that goes wrong?

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.

How do I check if my Mazda CX-5 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 CX-5?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 94 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.

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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