2018 Nissan Sentra Safety Report

2018 Nissan Sentra: Average Crash Test Scores, but Significant Real-World Powertrain and Electrical System Reliability Concerns with 181 NHTSA Complaints and 2 Recalls

181Complaints
2Recalls
★★★★☆Safety Rating
55/100Reliability Score
17Crash Reports
3Fire Reports
11Injuries
1Deaths
Most reported components: Power Train (33)Unknown Or Other (19)Forward Collision Avoidance (12)Service Brakes (11)Exterior Lighting (9)Electrical System (8)Engine (7)Unknown Or Other,Service Brakes (5)Air Bags (4)Steering (3)

AI Safety Analysis for the 2018 Nissan Sentra

The 2018 Nissan Sentra presents a mixed safety profile, achieving a respectable 4-star overall safety rating from NHTSA, with strong performance in side-impact tests (5 stars) but slightly lower in frontal and rollover tests (4 stars each). However, the vehicle has accumulated 181 total complaints, including 17 crashes, 3 fires, 11 injuries, and 1 death, which is a significant number for a single model year. A dominant concern revolves around the POWER TRAIN, accounting for 33 complaints, primarily related to the Continuously Variable Transmission (CVT) failure, which can lead to loss of motive power. This issue is frequently reported at mileages between 30,000 and 100,000 miles and is a high-severity problem due to its potential to cause sudden stalls or inability to accelerate, increasing crash risk. Recall history includes two significant campaigns. One addresses EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH, where contamination can prevent brake lights from illuminating, directly increasing crash risk. The other recall pertains to BACK OVER PREVENTION: SENSING SYSTEM: CAMERA, where a lack of a back-up camera image also elevates crash risk. Several complaints directly reference the brake light switch recall, indicating that even after repairs, issues can persist or that owners were unaware of the recall. The high number of complaints related to the powertrain, despite the recalls addressing other components, suggests a fundamental reliability concern with the CVT. Beyond the powertrain, other notable complaint areas include UNKNOWN OR OTHER (19 complaints), FORWARD COLLISION AVOIDANCE (12 complaints), and SERVICE BRAKES (11 complaints). Issues with forward collision avoidance systems, such as the Intelligent Cruise Control (ICC) module, are reported to cause unintended braking or system malfunctions, posing a safety hazard. The brake light switch recall is directly linked to service brake complaints, highlighting a critical safety defect. The overall picture suggests that while the Sentra performs adequately in controlled crash tests, real-world reliability and component failures, particularly with the CVT and certain electrical/sensor systems, introduce significant safety concerns for owners.

Reliability Score

The 2018 Nissan Sentra receives a reliability score of 55 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates average reliability — some notable concerns exist that prospective buyers should be aware of.

Known Issues for the 2018 Nissan Sentra

The following issues have been identified from NHTSA complaint data and owner reports for the 2018 Nissan Sentra:

IssueSeverityFrequencyTypical Mileage
Cvt Transmission Failure
The Continuously Variable Transmission (CVT) is prone to failure, leading to loss of forward drive, stalling, jerking, or inability to shift gears. This is a widespread and severe issue.
High Common 30000-100000 miles
Brake Light Switch Malfunction
The brake light switch can become contaminated, preventing brake lights from illuminating or causing the vehicle not to start. This was subject to a recall but complaints persist.
High Common any miles
Forward Collision Avoidance System Malfunction
The Intelligent Cruise Control (ICC) module or other sensors can fail, leading to 'front radar not detected' warnings, unintended braking, or system deactivation.
Medium Occasional any miles
Backup Camera Display Failure
The backup camera display may not show an image, increasing the risk of a crash when reversing. This was subject to a recall.
Medium Occasional any miles
Steering Difficulty/Malfunction
Reports of steering becoming difficult to turn with warning messages, indicating potential power steering system issues.
Medium Rare any miles
Airbag Non-Deployment
In at least one severe accident, airbags failed to deploy, and the driver's seat collapsed, indicating a critical safety system failure.
High Rare any miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2018 Nissan Sentra:

Power Train 18% of complaints

Predominantly CVT transmission failures, leading to loss of power, stalling, or inability to move.

Unknown Or Other 10% of complaints

A variety of miscellaneous issues not fitting specific categories, including dashboard lights, starting issues, and interior component failures.

Forward Collision Avoidance 7% of complaints

Malfunctions with the ICC module and other sensors, causing warnings or unintended braking.

Service Brakes 6% of complaints

Issues related to brake light switch failure, premature wear of brake components, and general braking system malfunctions.

Exterior Lighting 5% of complaints

Primarily brake light failures due to the faulty brake light switch, despite a recall.

Electrical System 4% of complaints

Problems with starting, dashboard lights, and general electrical component failures.

Engine 4% of complaints

Reports of stalling, hesitation, and general engine performance issues.

Air Bags 2% of complaints

Concerns about airbag non-deployment in crashes.

Frequently Asked Questions About the 2018 Nissan Sentra

Is the 2018 Nissan Sentra safe?

Based on NHTSA data, the 2018 Nissan Sentra received a 4-star overall safety rating, with 5 stars in side impact and 4 stars in frontal and rollover tests. However, it has 181 total complaints, including 17 crashes, 11 injuries, and 1 death, with significant concerns regarding CVT transmission failures and brake light switch issues, some of which were subject to recalls.

What are common problems with the 2018 Nissan Sentra?

The most reported issues for the 2018 Nissan Sentra are related to the POWER TRAIN (33 complaints), primarily CVT transmission failures. Other common problems include UNKNOWN OR OTHER (19 complaints), FORWARD COLLISION AVOIDANCE system malfunctions (12 complaints), and SERVICE BRAKES (11 complaints), often linked to the brake light switch recall.

Are there any recalls for the 2018 Nissan Sentra?

Yes, the 2018 Nissan Sentra has two recalls. One addresses a faulty brake light switch (NHTSA Campaign Number 19V654000) that can prevent brake lights from illuminating. The other addresses a backup camera display issue (NHTSA Campaign Number 19V655000) where the image may not appear.

How does the 2018 Nissan Sentra perform in crash tests?

The 2018 Nissan Sentra received a 4-star overall safety rating from NHTSA. It scored 4 stars for frontal crash, 5 stars for side crash, and 4 stars for rollover resistance.

Is the CVT transmission a known issue in the 2018 Nissan Sentra?

Yes, the CVT transmission is a commonly reported and high-severity known issue for the 2018 Nissan Sentra, accounting for a significant portion of the 33 POWER TRAIN complaints. Failures often occur between 30,000 and 100,000 miles and can lead to loss of motive power.

Buyer Advice

Our recommendation: Given the significant number of powertrain complaints, particularly CVT failures, and persistent issues with recalled components, prospective buyers should proceed with caution and prioritize a thorough pre-purchase inspection by a trusted mechanic, specifically checking the transmission and electrical systems.

NHTSA Data Summary for 2018 Nissan Sentra

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2018 Nissan Sentra. The data includes 181 consumer complaints filed by vehicle owners, 2 manufacturer-initiated safety recalls, 17 reported crashes, 3 fire incidents, 11 reported injuries, and 1 fatalities associated with this vehicle.

The NHTSA has assigned the 2018 Nissan Sentra an overall safety rating of 4 out of 5 stars, with a frontal crash rating of 4 stars, a side crash rating of 5 stars, and a rollover rating of 4 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.

All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.

Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.