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2021 Mazda CX-5: True Cost, Problems & Verdict

143 NHTSA owner complaints · 0 recalls · data-computed verdict. No opinions — public data only.

Reviewed by the MotorJury data desk · 2 sources · Last updated 2026-08-20
Mazda CX-5
Photo: Wikimedia Commons · open the model page
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Owner complaints: 143 filed with NHTSA

Complaints per year on the road: 28.6

Engine77Unknown Or Other16Power Train16Electrical System12Forward Collision Avoidance11Service Brakes11

What owners say

Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.

My CX-5 has 25,000 miles and recently the a/c failed culminating in a distinct chemical smell in the cabin. The issue was identified as a leaking/failed evaporator which apparently is located behind the dashboard and in turn “dump” the leaking refrigerant into the cabin! The total cost of repair due to the location of the evaporator is between $3000-$4500 in my area, seems a high cost to be poisoned by a vehicle that…
My 2021 Mazda CX-5 has developed a persistent rattling/vibration noise from the A-pillar and upper corner of the windshield. The noise appears to originate from the windshield/A-pillar attachment area and may be related to improper adhesion, mounting, weatherstripping, or other components near the top of the windshield. I have found numerous similar owner reports involving Mazda CX-5 and other fourth-generation Mazd…
While driving in the Interstate, a truck swerved towards my lane; I swerved into the next lane to avoid the truck hitting me and when I began to swerve my Lane Departure warning malfunctioned and caused my car to completely shut down. I immediately put my hazard lights on to hopefully avoid being hit; but, a car behind plowed right into my rear end. The police were onsite at the accident. My vehicle has been inspecte…

Recalls: 0 campaigns

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True cost of ownership

Fuel (your region) $0
Maintenance band (your region) $1,078$2,188
Estimated running cost this year (age 5) $2,188

Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.

02468101214$4,038vehicle age (years)
fuel/energy + maintenance band (annual, USD, estimate)

Run your own numbers in the true-cost calculator →

FAQ

What is the most common problem with the 2021 Mazda CX-5?

The most-reported issue in NHTSA complaint data is Engine (77 complaints in our indexed sample).

Is the 2021 Mazda CX-5 a good used car to buy?

Our data verdict is CAUTION with a reliability score of 54/100, computed from 143 NHTSA complaints and 0 recall campaigns. See the verdict card for the top reasons.

What will a 2021 Mazda CX-5 really cost YOU per year?

Fuel, maintenance band and depreciation — computed from public data in 10 seconds.

Open the true-cost calculator

Data sources

Complaints & recalls: NHTSA · Fuel economy: EPA fueleconomy.gov · Scoring: our published methodology.
Maintenance bands are industry-average estimates (AAA Your Driving Costs, CarMD index) — labeled estimates, not measurements. Last updated: 2026-08-20.

54RELIABILITY / 100
CAUTION
  • 143 NHTSA complaints on record (28.6/yr of exposure)
  • 0 recall campaigns, 0 touching safety-critical systems

How this score is computed →

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