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Is the Lexus GS300 a 2JZ?

Yes. The Lexus GS300 is powered by the 2JZ-GE, a 3.0-liter inline-six engine that is part of Toyota/Lexus’s 2JZ engine family. It is the naturally aspirated member of the lineup, not the turbocharged 2JZ-GTE used in other performance models.


Overview of the 2JZ engine family


The 2JZ family is renowned for its strength and reliability, spanning naturally aspirated and turbocharged variants. The GS300’s NA choice sits alongside turbocharged siblings used in other models, illustrating how the same family can serve different performance targets within the Lexus lineup.


GS300 engine specifics


To understand what powers the GS300, it helps to distinguish between the common engine codes within the 2JZ family and where they appear in Lexus models.


Key facts about the GS300’s engine


Before diving into details, here is a concise breakdown of how the GS300 fits into the 2JZ lineup:



  • Engine code: 2JZ-GE, a 3.0-liter inline-six.

  • Configuration: Naturally aspirated (non-turbo) engine designed for smooth, refined performance in a luxury sedan.

  • Relation to 2JZ-GTE: The 2JZ-GTE is the turbocharged variant of the same family and is not used in the standard GS300.

  • Market variations: Output and specifications can vary by model year and market, but the GS300 consistently centers on the 2JZ-GE NA engine.


In summary, the GS300 uses the 2JZ-GE inline-six, placing it in the same family as the famous turbocharged 2JZ-GTE, but without forced induction in the GS300 lineup.


Why this designation matters for buyers and enthusiasts


For potential buyers and enthusiasts, knowing that the GS300 is a 2JZ-GE helps set expectations for maintenance, parts compatibility, and tuning options. While the 2JZ-GE shares lineage with the turbocharged 2JZ-GTE, the GS300’s performance characteristics come from a reliable NA setup rather than a forced-induction build.


Related context


Other Lexus and Toyota models have used the same 2JZ family with different configurations. For example, the IS300 has historically been associated with the 2JZ-GE as well. In contrast, Lexus models that lean toward higher performance or different eras may employ V8 or other V6 engines, such as the GS430’s V8 design, which is outside the 2JZ lineup.


Summary


The Lexus GS300 is powered by the 2JZ-GE 3.0-liter inline-six engines, confirming it as a 2JZ model in terms of engine family. It is not equipped with the turbocharged 2JZ-GTE, which appears in other performance-focused Toyota/Lexus variants. This distinction matters for reliability, maintenance, and potential tuning paths for enthusiasts.

What Lexus has a 2JZ in it?


Lexus models that came with a 2JZ engine include the SC 300, GS 300, and IS 300. These cars typically featured the non-turbocharged 2JZ-GE engine, which is known for its reliability and is a popular base for performance modifications.
 

  • Lexus SC 300: This coupe came with the naturally aspirated 2JZ-GE, which was also used in the non-turbo Toyota Supra Mk4. 
  • Lexus GS 300: Available in both the first and second generations, this sedan used the 2JZ-GE engine. 
  • Lexus IS 300: The IS 300 was equipped with the 2JZ-GE and was the last Lexus model in the US to use the 2JZ engine. The SportCross wagon version was also available with this engine. 



What engine does a GS300 have?


The Lexus GS300 is equipped with a three-litre, six cylinder engine which is fitted with continuously variable valve timing and electronic throttle control. Power is boosted to 218 bhp at 5,800rpm and torque is increased to 219 lb. ft at the lower engine speed of 3,800 rpm.



Did the GS300 have a 2JZ?


The Lexus GS 300 had a naturally aspirated 2JZ engine capable of generating 227 horsepower and 210 lb-ft of torque. Some referred to this vehicle as “the gentleman's Supra,” a reference to the fact that it provided a more upscale feel than Toyota's famous sports car while retaining some of its sporty excitement.



What engine does a 2001 GS300 have?


2001 Lexus GS Specs, Features & Options

Save 1 of 2 GS 430 Sedan 4DSave 2 of 2 GS 300 Sedan 4D
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300 @ 5600 RPM220 @ 5800 RPM
Engine
V8, 4.3 Liter6-Cyl, 3.0 Liter


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Kevin Bennett

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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.