YearToAvoid

2018 Mazda CX-3 Reliability Data: Problems & Recalls

Good The 2018 Mazda CX-3 has a complaint index of 33, the second-lowest among the model's 7 model years, and carries a Good verdict. NHTSA lists 10 complaints and 1 recall for the rearview camera display, with no fires and one crash reported.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
33/100
#5 of 7 CX-3 years
Verdict
Good
vs. other years of this model
Complaints
10
unique NHTSA reports
Recalls
1
distinct NHTSA campaigns
Crashes
1
reported in complaints
Fires
0
Injuries
0
Top issue
Electrical System
Best nearby year
—
no alternative with data
NHTSA overall rating
5 / 5 ★
EPA combined MPG
30
28 city / 33 hwy
Injuries / deaths
0 / 0

Top 2018 Mazda CX-3 problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Electrical System3 (30%)
  2. Engine3 (30%)
  3. Collision Avoidance & Cameras3 (30%)
  4. Suspension, Wheels & Tires2 (20%)
  5. Brakes1 (10%)
  6. Fuel System1 (10%)
  7. Lane Departure1 (10%)
  8. Other1 (10%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Some owners report sudden unintended acceleration or throttle issues while parking, including one case where brake and gas pedal appeared active at the same time.
  • Electronic throttle problems have been linked to a crash after the throttle reportedly opened wide during a parking maneuver at low mileage.
  • Owners describe the rearview camera flickering or showing a distorted image, tied to recall 23V487000, with some reporting long waits for repair parts.
  • Blind spot detection and forward collision warning systems have reportedly failed or triggered false alarms, including one case where the brakes activated with no obstacle present.
  • A few owners report engine-related issues, including abnormal scraping sounds and one report of a fuel injector failing and damaging the catalytic converter.
  • One owner reported condensation buildup inside a headlamp that affected a state inspection.
2018 Mazda CX-3 complaints: complaints filed per month1Aug 2018Dec 2019Dec 2021Jul 2023Dec 2024
10 complaints filed with NHTSA from Aug 2018 to May 2026; peak Aug 2018 (1).

2018 Mazda CX-3 recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 23V487000Jul 14, 2023Collision Avoidance & Cameras236,100 vehicles

    Back over prevention: sensing system: camera

    Mazda North American Operations (Mazda) is recalling certain 2014-2018 Mazda3 and 2016-2021 CX-3 vehicles. The rearview camera image may not display properly by showing a flickering or distorted image.

    Risk: A rearview camera that does not display properly can reduce the driver's rear view, increasing the risk of a crash or injury.

    Remedy: Dealers will inspect and replace the rearview camera, as necessary. In addition, dealers will install a wiring harness fastening seal. All repairs will be performed free of charge. Interim notification letters, notifying owners of the safety risk, were mailed September 13, 2023. Final owner letters for affected models and model years in the states of CT, MA, MD, NJ, NY, PA and VA were mailed August 14, 2024. The remaining owner notification letters will be mailed at a future date, anticipated on or before May 1, 2025. Owners may contact Mazda customer service at 1-800-222-5500, Option 6. Mazda's number for this recall is 6023G.

2018 Mazda CX-3 fuel economy and fuel cost

City
28 MPG
Highway
33 MPG
Combined
30 MPG
Annual fuel cost (EPA)
$2,175
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2018 compared with other CX-3 years

Complaint Index by model year (0 = fewest issues, 100 = most)02550751002014201620172018201920202021
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2016Avoid10048330
2017Caution6721130
2018Good3310130
2019Avoid8327230
2020No verdict501130

All Mazda CX-3 years: best and worst →

Frequently asked questions

Is the 2018 Mazda CX-3 reliable?
Compared with other CX-3 model years, the 2018 rates Good, with a complaint index of 33 and 10 total complaints logged with NHTSA — among the lowest complaint counts in the lineup.
What problems does the 2018 Mazda CX-3 have?
NHTSA complaints point to electrical system issues, engine concerns, and collision avoidance/camera problems as the top three areas, each accounting for 30% of complaints.
Does the 2018 Mazda CX-3 have a recall?
Yes, one recall (23V487000) covers a rearview camera that may show a flickering or distorted image; dealers inspect and replace the camera and related wiring harness as needed.
How does the 2018 CX-3 compare to other years?
The 2018 ranks 5th worst out of 7 model years by complaint index, well below the 2016 (index 100, Avoid) and 2019 (index 83, Avoid) model years.
What is the fuel economy of the 2018 Mazda CX-3?
EPA rates the 2018 CX-3 at 30 mpg combined (28 city / 33 highway), with an estimated annual fuel cost of $2,175.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.