5 Lexus NX 300h Problems, Common Issues and Best NX-300 to Buy

Patrick Oziegbe
Updated On:

As a Lexus NX 300h owner, you might want to be aware of some common issues associated with this popular hybrid SUV.

Recognizing these problems ahead of time can help you prepare for possible repairs and ensure a smooth driving experience.

Among the issues reported by drivers, steering system, transmission, and engine problems can affect the performance and reliability of the Lexus NX 300h.

By being informed, you can take proactive measures to maintain your vehicle in top shape.

Lexus NX Problems

Common Problems


You might notice that the Lexus NX 300h can have some issues with its brakes. There have been reports from drivers experiencing problems such as squeaking noises and poor stopping performance.

Make sure to check the brake components regularly and consult a professional if you experience any of these issues.

Adaptive Cruise Control

Sometimes, the adaptive cruise control system in the Lexus NX 300h does not function as it should. This can be frustrating for you as this feature is designed to maintain a set distance from the vehicle ahead of you.

Make sure to keep an eye on the system’s performance and if you notice any irregularities, consult a qualified technician for assistance.

Blind Spot Monitoring

The blind spot monitoring system is an essential safety feature on the Lexus NX 300h. However, it can sometimes fail to detect vehicles in your blind spot or provide false alerts.

To ensure your safety, always double-check by looking over your shoulder before making any lane changes, even when the monitoring system is active.

Electric Motor

The Lexus NX 300h’s electric motor could potentially encounter a few issues. For instance, the motor may produce unusual noises or show a decrease in performance.

If you come across any of these problems, it’s important to have the vehicle looked at by a trained technician as soon as possible.


Lastly, the Continuously Variable Transmission (CVT) in the Lexus NX 300h has been known to face occasional issues.

Some drivers have experienced a lack of responsiveness and a delay during acceleration. To maintain your vehicle’s reliability, it’s crucial to address any concerns about the CVT with a qualified professional.

By staying aware of these common problems and addressing them promptly, you can help ensure the overall reliability and performance of your Lexus NX 300h. Remember to enjoy your vehicle and drive safely!

MORE RESOURCES: Get empowered with fresh rivals NX vs Lexus RX cars and battles of Lexus NX vs UX compact luxury!

Complaint Resources

Friendly resources for your Lexus NX 300h complaints:


Visit Carcomplaints as a valuable automotive complaint resource for Lexus NX 300h owners. Here, you can discover common issues and average mileage for these problems.


Search for Lexus NX 300h problems on Twitter to find people sharing their experiences and help you connect.

iPhone App

Download the Carcomplaints.com iPhone App to have the complaint data at your fingertips and explore solutions. Be informed and make your Lexus driving experience better.

The Best Year for Lexus NX 300H

Friend, if you’re looking for the best year for a Lexus NX 300h, you should consider the 2021 model.

This Lexus comes with top-notch safety features, improved fuel economy, and a quiet ride quality.

We know cargo space might be a concern for you, but it’s a common issue across the NX series, so don’t let that hold you back. We believe the 2021 Lexus NX 300h is your best choice!

Problem Trends and Patterns

While looking into the Lexus NX 300h, patterns seem to emerge regarding common issues with the car.

Notably, some drivers have reported a jerky and surging acceleration due to the vehicle’s continuously variable transmission (CVT).

Another issue with the Lexus NX 300h is the difficult-to-use gear selector, which can be initially confusing.

As you explore automotive defect patterns, be mindful of these trends and do your best to familiarize yourself with the specific problems.

The Lexus NX 300h is not considered one of the top 20 worst vehicles, but knowing the potential issues can help you make an informed decision.

Lexus NX 300h Reliability

The Lexus NX 300h is known for its reliability and safety features, making it an excellent choice in the world of SUVs.

The performance of this vehicle is impressive, with its fuel-efficient engine and smooth transmission.

Inside the cabin, you’ll find a comfortable interior packed with innovative technology, ensuring maximum convenience for your drives. However, there have been a few reported problems with the power steering system.

Overall, the Lexus NX 300h offers great value for a luxury SUV while maintaining top-notch safety and comfort.

Resources for Car Problems

When dealing with Lexus NX 300h problems, it’s essential to know where to find reliable information.

One helpful site for Lexus NX 300h issues is Car Complaints, which lists common problems and their average mileage when reported.

If you’re worried about lemon law information and car problem resources, Drivers Advice provides useful content on the Lexus NX 300h, including steering system issues.

For a broader perspective on vehicle problems and cars to avoid, sites like Edmunds offer consumer reviews, helping you make informed decisions when considering your next car. Stay informed and happy driving!

Frequently Asked Questions

How long does the battery last on a Lexus NX 300h?

The battery life on a Lexus NX 300h can vary, but on average, you can expect it to last between 8 to 10 years, depending on driving habits and conditions. Regular maintenance and care can help prolong the battery life.

Are there any widespread transmission problems?

There are no significant transmission problems reported for the Lexus NX 300h. However, various issues might arise, like any car. Regular check-ups and servicing can help prevent potential problems and detect them early.

Is the Lexus NX 300h expensive to maintain?

The Lexus NX 300h is generally considered to have a low maintenance cost, particularly given its hybrid system. Routine maintenance like oil changes, tire rotations, and brake checks can help keep your vehicle in good shape without breaking the bank.

What’s the reliability of various model years?

The reliability of the Lexus NX 300h has improved over time. The first generation (2015-2017) had a few issues, while the second generation (2018-2022) is considered to be more reliable. Always research specific models and years to get a clearer picture.

How fuel efficient is the Lexus NX 300h?

The Lexus NX 300h is known for its fuel efficiency, thanks to its hybrid system. It provides a more eco-friendly choice compared to traditional gasoline engines, making it a popular option for those looking to reduce their environmental impact.

What is the mpg on a Lexus NX 300h hybrid?

The Lexus NX 300h hybrid offers an impressive fuel economy, with an estimated 33 MPG in the city and 30 MPG on the highway. Your actual mileage may vary depending on driving habits and conditions.


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