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#BS-2021-NISSEN-8CEA

2021 Nissan Sentra

Based on reports from 198 owners and 3 recalls for this exact model.

Complaints
198
Crashes
27
Fires
3
Recalls
3
TSBs
130
🛑

Preliminary Verdict

Red Flag

Based on 198 complaints, 27 crashes, 3 fires, and 3 recalls. Complaint rate is 3.5x the class average.

See full verdict with buy/skip conditions

Top reported problems

1

automatic braking system locks up for no reason

3 complaints • Severity 10/10

$X,XXX
2

lock unlock will not work-unable to get in or out of car

1 complaints • Severity 8/10

$X,XXX
3

sloshing noise from gas tank

1 complaints • Severity 6/10

$X,XXX

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

36 owners reported electrical issues — failures commonly reported around 25K miles.

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

Failure Timeline by Mileage

15
0–30K
6
30–60K
4
60–90K
1
90–120K
120–150K
150K+

Peak failure range: 0–30K miles (15 reports) • Median: 25K 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: Electrical (36 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

Electrical36 (18%)
Steering35 (18%)
Forward Collision Avoidance: Automatic Emergency Braking25 (13%)
Brakes23 (12%)
Other17 (9%)
Collision Avoidance11 (6%)
Engine7 (4%)
Lights6 (3%)

2021 Nissan Sentra: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 18% of all reports filed for the 2021 Nissan Sentra, with 36 owners filing complaints with NHTSA. The median mileage at time of complaint is 25,000 miles, suggesting issues tend to surface around the 25K-mile mark.

Steering Issues

Steering complaints account for 18% of all reports filed for the 2021 Nissan Sentra, with 35 owners filing complaints with NHTSA. Owners should pay attention to steering-related symptoms during test drives and pre-purchase inspections.

Forward Collision Avoidance: Automatic Emergency Braking Issues

Forward Collision Avoidance: Automatic Emergency Braking complaints account for 13% of all reports filed for the 2021 Nissan Sentra, with 25 owners filing complaints with NHTSA. Owners should pay attention to forward collision avoidance: automatic emergency braking-related symptoms during test drives and pre-purchase inspections.

Brakes Issues

Brakes complaints account for 12% of all reports filed for the 2021 Nissan Sentra, with 23 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

21
21
27
22
69
23
43
24
34
25
4
26

Complaints filed with NHTSA by year for the 2021 Nissan Sentra. Recent trend: decreasing.

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

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Recall History (3 recalls)

21V461000Aug 2021

STEERING:LINKAGES:TIE ROD ASSEMBLY

Nissan North America, Inc. (Nissan) is recalling certain 2020-2021 Sentra vehicles. The left and/or right tie rod may be bent.

23V581000Nov 2024

STEERING:LINKAGES:TIE ROD ASSEMBLY

Nissan North America, Inc. (Nissan) is recalling certain 2020-2022 Sentra vehicles. The left and/or right tie rod may bend.

23V628000Oct 2023

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Nissan North America, Inc. (Nissan) is recalling certain 2019-2021 Altima and 2020-2021 Sentra vehicles. Damage to the camera harness can cause distortion or loss of the rearview camera display image. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Nissan Sentra is the 2015 — worth knowing if you're cross-shopping years. The biggest problem area is transmission.

2021 Nissan Sentra vs. Class Average (Midsize Cars)

This vehicle

198

Class avg

56

3.5x the class average — significantly more complaints than typical midsize cars vehicles.

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. 198 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 3 recalls found for this vehicle.

Repair Cost Data

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

Other Nissan Sentra Model Years

202620252024202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997199619951994199319921991199019891988198719861985198419831982
View all Nissan Sentra years →

2021 Nissan Sentra: Frequently Asked Questions

What is the most common problem with the 2021 Nissan Sentra?
The most commonly reported issue with the 2021 Nissan Sentra is related to the electrical, with 36 complaints filed with NHTSA.
Is the 2021 Nissan Sentra reliable?
The 2021 Nissan Sentra has 198 complaints, 27 crash reports, and 3 fire reports filed with NHTSA. This is 3.5x the class average — higher than typical for its segment.
How much does it cost to fix 2021 Nissan Sentra 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 Nissan Sentra have any recalls?
Yes, the 2021 Nissan Sentra has 3 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Nissan Sentra problems start?
Based on 26 complaints with mileage data, the median mileage at time of complaint is 25,000 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.
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 198 owner reports. Know before you buy.

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