Lexus GS 450h Problems, Complaints, Solutions and Best G3 450H to Buy

Patrick Oziegbe
Updated On:

When you’re searching for a reliable luxury vehicle, the Lexus GS 450h might be on your radar.

However, before making your decision, it’s essential to consider the potential problems that some owners have encountered with this model.

The 2013 Lexus GS, for example, had several complaints related to its battery life.

By knowing the common issues and recalls associated with the Lexus GS 450h, you can make an informed decision about whether this vehicle is the right fit for you.

Lexus GS 450h issues

Common Complaints of Lexus GS 450h

Fuel Pump Problems

Your Lexus GS 450h, being a hybrid, can sometimes experience fuel pump issues. There have been some complaints about fuel pump failures in this model, causing a lack of power or hesitation during acceleration.

To avoid any future problems, monitor your vehicle’s performance regularly and have it checked if you notice anything unusual.

Brake Issues

Brake issues are another concern with the GS 450h. Some owners have reported experiencing reduced braking performance or unusual noises coming from the brakes.

Maintain a regular maintenance schedule for your brakes and check for any defects in their components. If you encounter braking problems, have your vehicle inspected by a professional as soon as possible.

Valve Spring Complications

Valve springs are essential to your car’s engine performance, and the Lexus GS 450h has had its share of complaints regarding valve spring complications.

These issues can lead to poor performance, misfires, or even engine failure. Keep an eye on your engine’s performance and visit a mechanic if you suspect any valve spring issues.

Transmission Related Concerns

Transmission troubles have also been observed in some GS 450h models. Complaints include hesitations during shifts, abrupt shifts, or even transmission failure.

As with the other concerns, monitoring your vehicle’s performance and seeking professional help when any irregularities occur will help you keep your GS 450h in top condition.

Accelerator Defects

Another complaint found on is related to the accelerator pedal in the Lexus GS 450h.

Some owners have experienced a lag in response when pressing the accelerator, leading to delayed or uneven acceleration.

If you notice any inconsistencies in your vehicle’s acceleration, bring it to a mechanic for inspection and repair.

Dashboard Troubles

Dashboard troubles are not as common as the other issues mentioned above, but they can still be a nuisance when they occur.

Some GS 450h owners have reported flickering or malfunctioning dashboard displays, causing inconvenience and reduced visibility of vital vehicle information.

If your dashboard shows any signs of trouble, consult a professional to get it fixed.

Remember, as a Lexus GS 450h owner, it’s crucial to stay alert to any potential issues and maintain a regular maintenance schedule.

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Lexus GS 450h Battery Performance

Your Lexus GS 450h is a hybrid vehicle that might encounter some battery performance issues.

When you notice a “CHECK HYBRID SYSTEM” warning on your dashboard, it could indicate a problem with your hybrid battery system. Remember, the battery pack in the GS 450h is warrantied for 8 years or 100,000 miles.

Fortunately, you can contact your dealer for assistance. They may need to order a replacement battery, which might take a few weeks to arrive.

In case your battery has failed before the 8-year mark, you can try reaching out to Lexus to see if they can fix it free of charge.

Recalls and Defects

Friendly reminder, your Lexus GS 450h may have had some recalls over the years. It’s vital to address those issues to ensure your car performs well and keeps you safe.

Watch out for problem trends and automotive defect patterns that could affect your GS 450h, such as fuel tank vent tube assembly concerns which were mentioned in a recall letter.

Tracking defect information is useful, allowing you to be prepared for any potential issues arising with your car.

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Lexus GS 450h Model Generations

First Generation

The first generation of the Lexus GS 450h (2007-2011) offered luxury and performance in a hybrid package.

With great fuel economy, you could enjoy the benefits of lower emissions without compromising on driving pleasure. However, some common issues included battery failure and suspension problems.

Second Generation

Stepping into the second generation (2012-2020), the Lexus GS 450h improved in key areas like handling and interior design.

You can expect better fuel efficiency and a more refined driving experience. Unfortunately, the 2016 model had a few more problems compared to earlier models, requiring higher repair costs.

In both generations, the Lexus GS 450h remains a stylish and eco-friendly option for those who appreciate a luxurious driving environment.

Reliability and Customer Support

Your Lexus GS 450h is known for its commendable reliability, with both Consumer Reports and US News praising it for dependability.

However, rare issues could arise, like GPS, radio, or heater operation needing a software upgrade.

Encountering a problem, you can count on Lexus agency for high-quality customer support, maintaining a friendly relationship with you. Feeding your trust in Lexus further, the press also reinforces the brand’s strong backing and customer care.

Problem Reporting and Resources


At CarComplaints, you can find valuable information about problems with the Lexus GS 450h. You can browse through the top Lexus GS 450h issues, search for specific complaints, and even add your own complaint to their database.

Lemon Law Information

It’s essential to be aware of the Lemon Law to help you deal with potential vehicle problems and protect your rights. Explore their lemon law information, learn about cars to avoid, and stay informed of problem trends.

Remember that also offers a section on funny complaints and provides other car problem resources for your convenience.

The Best Year for Lexus GS 450H

When it comes to the Lexus GS 450h, finding the best year to buy is crucial for ensuring a smooth and enjoyable experience with your luxury hybrid sedan.

The 2014

After thoroughly analyzing owner reviews and reports, it seems that the 2014 Lexus GS 450h stands out among its peers.

The 2014 GS 450h is celebrated for its signature blend of luxury, performance, and reliability.

Its elegant design, comfortable and spacious interiors, and advanced technology features make your driving experience truly enjoyable.

The fuel-efficient hybrid powertrain won’t disappoint with its 338 combined horsepower and seamless integration of electric and gas engines.

Additionally, it has a reputation for having fewer reported problems compared to other years, ensuring a hassle-free ownership experience.

While the 2013 Lexus GS 450h had some issues worth avoiding, Lexus seems to have addressed those problems effectively in the 2014 model.

So, if you’re considering purchasing a Lexus GS 450h, consider the 2014 model to enjoy the best of what this luxurious hybrid sedan offers.

It provides the perfect balance of performance and reliability in a stylish package, making it a smart choice for your next car.

Lexus GS 450h Competitors

BMW 5 Series

One competitor you may consider is the BMW 5 Series best years. This German luxury sedan is known for its engaging performance and spacious interior.

A major advantage is the wide range of engine options, ensuring that you can find a perfect balance between power and fuel efficiency.

However, a downside is that BMW’s maintenance and repair costs can be higher compared to other competitors.

Mercedes-Benz E-Class

Another alternative is the Mercedes-Benz E-Class. This luxury sedan offers a comfortable and quiet ride with numerous high-end features.

It boasts advanced safety and driver assistance technologies, providing a sense of security on the road. But, keep in mind that the E-Class also tends to have relatively high ownership costs, partly due to its need for premium fuel and maintenance expenses.

Audi A6

Lastly, the Audi A6 makes a strong competitor with its sophisticated design and all-wheel-drive capabilities.

Audi’s Quattro system provides excellent handling and performance, making it an attractive option in various weather conditions.

Moreover, the A6’s infotainment system is user-friendly and feature-rich. However, a potential drawback or one of the worst issues of Audi A6 is the slightly tight rear seat space, which may not be ideal for taller passengers.

In summary, when considering alternatives to the Lexus GS 450h, evaluate the BMW 5 Series, the Mercedes-Benz E-Class, and the Audi A6, weighing their pros and cons in relation to your needs and preferences.

Frequently Asked Questions

What is the battery replacement cost?

Replacing the battery pack on your Lexus GS 450h can be expensive. Although prices may vary depending on the year, make, and location, a new battery pack can cost around $3,000 to $6,000.

It’s always a good idea to shop around for the best deal and consider if your vehicle’s warranty can help cover the cost.

What is the hybrid battery lifespan?

The lifespan of a hybrid battery in the Lexus GS 450h can vary depending on multiple factors, including usage, driving conditions, and regular maintenance.

In general, you can expect the battery to last between 8 to 15 years. To prolong the life of your hybrid battery, it’s important to follow your vehicle’s maintenance schedule and drive responsibly.

How reliable is the 2007 model?

The 2007 Lexus GS 450h is considered generally reliable and well-built. However, as with any vehicle, there may be some common issues including battery failure, suspension problems, and brake issues.

It’s essential to research potential issues, check maintenance history, and have the vehicle inspected by a trusted mechanic before purchasing a used model.

What is the GS450h’s ride quality?

The Lexus GS 450h is known for its smooth and comfortable ride. Its adaptive suspension system provides an enjoyable driving experience, allowing you to cruise in comfort while maintaining good handling and cornering abilities.

This luxury sedan strikes a nice balance between sporty performance and a plush, refined ride.

How fast can the GS 450h accelerate from 0 to 60?

The Lexus GS 450h can accelerate from 0 to 60 miles per hour in approximately 5.2 seconds, depending on the model year and specific configuration.

Its hybrid powertrain and powerful V6 engine give it impressive acceleration capabilities, making it one of the quicker luxury sedans in its class.


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