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What is the top speed of a 2007 GS 450h?

The top speed of the 2007 Lexus GS 450h is electronically limited to about 130 mph (210 km/h).


The 2007 GS 450h is Lexus's early full-hybrid luxury sedan, combining a 3.5-liter V6 with electric motors to deliver power with a defined maximum velocity. This article explains the official figure, how it is determined, and what factors can affect real-world performance.


Official top speed and its rationale


In the 2007 GS 450h, Lexus sets a speed limiter at 130 mph (210 km/h) to balance performance with safety, drivetrain durability, and battery management. The figure is consistent across most markets for this model year.


What accelerates to that limit


The car uses a hybrid synergy drive system that combines outputs from the 3.5L V6 with two electric motors, all-wheel drive, and a single-speed reduction gear. The top speed is not the result of horsepower alone but a controlled limit that ensures reliable operation under high-load conditions.


Market variations and real-world considerations


While the 130 mph (210 km/h) limit holds broadly, real-world top speed can vary slightly due to tires, load, temperature, and battery state of charge. In some markets, minor tuning differences could cause marginal variation, but the official figure remains 130 mph for most 2007 GS 450h models.


Summary


The 2007 GS 450h’s official top speed is 130 mph (210 km/h), limited electronically to balance performance with the hybrid system’s durability and efficiency. Real-world speeds may differ slightly under specific conditions.

Is it expensive to fix a GS 450h?


The estimated cost to maintain and repair a Lexus GS450h ranges from $105 to $6898, with an average of $449.



What is the top speed of a Lexus 450h hybrid?


Top speed is124mph for all versions.



Is the Lexus GS 450h a fast car?


With a 3.5-liter 338-horsepower V6 engine, the GS450h has ample power and quick, hesitation-free acceleration.



How much horsepower does a 2007 Lexus GS 450h have?


340 hp @ 6,400 rpm


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.