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#BS-2021-MAZCX5-41AC

2021 Mazda CX-5Problems, Recalls & Reliability

Based on reports from 207 owners and 0 recalls for this exact model.

Data updated ·checked October 30, 2026 · NHTSA complaints through October 28, 2026

Complaints
207
Crashes
24
Fires
0
Recalls
0
TSBs
501
🟡

Preliminary Verdict

Think Twice

Based on 207 complaints, 24 crashes, 0 fires, and 0 recalls.

See full verdict with buy/skip conditions

Top reported problems

1

oil light coming on

3 complaints • Severity 7.3/10

$X,XXX
2

automatic door locks dont automatically lock

1 complaints • Severity 8/10

$X,XXX
3

rear camera no longer visible-error message

1 complaints • Severity 10/10

$X,XXX
4

cracking sound on passenger side of the dash

1 complaints • Severity 4/10

$X,XXX
5

rain sensors stopped working

1 complaints • Severity 6/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the EngineHIGH

81 owners reported engine issues — failures commonly reported around 46K miles.

!Inspect the DrivetrainMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

11
0–30K
6
30–60K
5
60–90K
3
90–120K
1
120–150K
150K+

Peak failure range: 0–30K miles (11 reports) • Median: 46K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine (81 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine81 (39%)
Drivetrain17 (8%)
Other17 (8%)
Electrical12 (6%)
Brakes11 (5%)
Forward Collision Avoidance: Automatic Emergency Braking8 (4%)
Speed Control8 (4%)
Fuel System8 (4%)

2021 Mazda CX-5: Known Issues & Problem Areas

Engine Issues

Engine complaints account for 39% of all reports filed for the 2021 Mazda CX-5, with 81 owners filing complaints with NHTSA. The median mileage at time of complaint is 46,465 miles, suggesting issues tend to surface around the 46K-mile mark.

Drivetrain Issues

Drivetrain complaints account for 8% of all reports filed for the 2021 Mazda CX-5, with 17 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 6% of all reports filed for the 2021 Mazda CX-5, with 12 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Brakes Issues

Brakes complaints account for 5% of all reports filed for the 2021 Mazda CX-5, with 11 owners filing complaints with NHTSA. Owners should pay attention to brakes-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

19
21
61
22
33
23
31
24
27
25
36
26

Complaints filed with NHTSA by year for the 2021 Mazda CX-5. Recent trend: increasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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2021 Mazda CX-5 NHTSA Safety Ratings

Overall

★★★★★

5 of 5 stars

Frontal crash

★★★★★

5 of 5 stars

Side crash

★★★★★

5 of 5 stars

Rollover

★★★★★

4 of 5 stars

From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.

The worst model year for the Mazda CX-5 is the 2016 — worth knowing if you're cross-shopping years. The biggest problem area is engine.

2021 Mazda CX-5 vs. Class Average (Small Sport Utility Vehicle 2WD)

This vehicle

207

Class avg

207

Complaint volume is roughly in line with other small sport utility vehicle 2wd vehicles from 2021.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 207 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 0 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Last updated (checked October 30, 2026). NHTSA complaints received through October 28, 2026; safety ratings from NHTSA's 5-Star program.

Other Mazda CX-5 Model Years

20262025202420232022202120202019201820172016201520142013
View all Mazda CX-5 years →

2021 Mazda CX-5: Frequently Asked Questions

What is the most common problem with the 2021 Mazda CX-5?
The most commonly reported issue with the 2021 Mazda CX-5 is related to the engine, with 81 complaints filed with NHTSA.
Is the 2021 Mazda CX-5 reliable?
The 2021 Mazda CX-5 has 207 complaints, 24 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How safe is the 2021 Mazda CX-5?
NHTSA rates the 2021 Mazda CX-5 5 out of 5 stars overall, with 5 stars in frontal crash tests, 5 stars in side crash tests, 4 stars for rollover resistance. Where NHTSA tested more than one version, the lowest rating is shown.
How much does it cost to fix 2021 Mazda CX-5 problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2021 Mazda CX-5 have any recalls?
No recalls have been issued for the 2021 Mazda CX-5 according to NHTSA records.
What mileage do Mazda CX-5 problems start?
Based on 26 complaints with mileage data, the median mileage at time of complaint is 46,465 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.
When was the 2021 Mazda CX-5 data last updated?
BumperScan last checked this vehicle against NHTSA on October 30, 2026, covering owner complaints received through October 28, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 13, 2026.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 207 owner reports. Know before you buy.

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