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Is the Lexus NX 300h reliable?

The Lexus NX 300h, a hybrid luxury crossover SUV, is generally considered a reliable vehicle. According to industry reviews and owner feedback, the NX 300h has a reputation for dependability and long-term durability.


Reliability of the Lexus NX 300h


The Lexus NX 300h has consistently received high reliability ratings from authoritative sources like Consumer Reports and J.D. Power. The vehicle's hybrid powertrain, which combines a gasoline engine with an electric motor, is known for its robust design and low maintenance requirements. Additionally, Lexus as a brand is renowned for its commitment to quality and reliability, which is reflected in the performance of the NX 300h.,


Owners of the NX 300h have also reported positive experiences with the vehicle's long-term durability. Many have reported reaching high mileage, often well over 100,000 miles, without experiencing major mechanical issues. The hybrid battery pack, a critical component of the NX 300h, is designed to last the lifetime of the vehicle, further contributing to the model's reliability.


Factors Contributing to the NX 300h's Reliability


Several factors contribute to the Lexus NX 300h's reputation for reliability:



  • Proven Hybrid Powertrain: The NX 300h's hybrid system, which combines a 2.5-liter four-cylinder gasoline engine with an electric motor, has been extensively tested and refined by Lexus. This proven technology helps ensure long-term reliability and performance.

  • Lexus Build Quality: As a Lexus model, the NX 300h benefits from the brand's renowned attention to detail and commitment to quality manufacturing. Lexus is known for its meticulous engineering and rigorous quality control processes.

  • Maintenance and Servicing: Lexus provides comprehensive maintenance and servicing programs for the NX 300h, ensuring that the vehicle is well-cared for and any potential issues are addressed promptly. This proactive approach helps maintain the vehicle's reliability over time.


Overall, the Lexus NX 300h is widely regarded as a reliable and durable luxury hybrid crossover SUV, thanks to its proven powertrain, Lexus' commitment to quality, and the brand's comprehensive maintenance and servicing support.

What are the NX 300's common problems?


The owner comments describe problems respondents experienced with this vehicle.

  • Brakes.
  • Noises/Leaks.
  • Engine Major.
  • Climate System.
  • Electrical Accessories.
  • In-car Electronics.
  • Drive System.
  • Suspension/Steering.



Is the NX 300h expensive to maintain?


The estimated cost to maintain and repair a Lexus NX300h ranges from $105 to $2788, with an average of $363.



Is the Lexus NX Hybrid reliable?


The Lexus NX Hybrid is generally considered to have excellent reliability, with high ratings from sources like J.D. Power and CarGurus.com. While most models have a history of few issues, some recent models have reported minor problems, such as with electronics or a fussy gear selector. Owner reviews indicate strong satisfaction with the powertrain and build quality, though some mention minor issues like a less-than-perfect MPG and certain electronic features.
 
This video explains what makes the Lexus NX 350h special, including its reliability: 52scarsales.com.auYouTube · Jul 1, 2025
Overall reliability

  • High ratings: The Lexus NX Hybrid frequently earns high reliability scores from sources like J.D. Power and CarGurus.com. 
  • Strong reputation: Lexus's reputation for reliability is well-earned, and the NX has contributed to this with a history of dependability. 
  • Expected reliability: Based on previous data, Consumer Reports expects the 2025 NX Hybrid to be more reliable than the average new car. 

Potential issues
  • Minor problems in recent models: Some owners of recent models have reported minor issues: 
    • Electronics: Problems with in-car electronics, such as blind spot monitoring. 
    • Transmission: A few reports of issues with the gear selector, though these are minor. 
    • MPG: Some reviewers have noted slightly lower fuel economy than expected. 
  • Infrequent but reported issues:
    • Electrical: Some hybrid owners note the 12V battery can be slow to charge if the car is used infrequently. 
    • Brakes: The brake pedal can be a bit sensitive and take some getting used to. 
  • Recalls: The 2024 model has a recall for a potential issue with the parking brake, but this can be fixed by a dealership at no cost. 
  • Exterior: Some bodywork and accessory issues have been reported. 

What owners are saying
  • Satisfied owners: Many owners express high satisfaction with the NX Hybrid's overall performance and reliability, often highlighting its quiet ride and fuel efficiency. 
  • Minor issues: Some owners report minor nuisances, such as the low placement of the center vents or visibility issues due to thick roof pillars. 

Summary
  • The Lexus NX Hybrid has a strong reputation for reliability, backed by high ratings from various sources. 
  • While most owner experiences are very positive, some recent models have reported minor issues with electronics and the transmission. 
  • Previous models had very few reported problems, with some issues addressed through recalls. 



What are common NX 300h problems?


Faulty sensors. Weak or imbalanced battery cells. Inverter or ECU issues.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.