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Is the Lexus RX350 a 4 or 6 cylinder?

The latest Lexus RX 350 uses a four-cylinder engine, specifically a 2.4-liter turbocharged inline-4. Historically, RX 350 models wore a six-cylinder V6, so the answer depends on model year.


Current RX 350: a turbocharged four-cylinder powerplant


As part of the all-new generation introduced for the 2023 model year, the RX 350 switched to a four-cylinder turbocharged engine. This configuration emphasizes efficiency and modern turbo technology while maintaining strong on-road performance.


Before listing the specifics, here is a quick breakdown of the current lineup:



  • Current RX 350 (model years 2023–present): 2.4-liter turbocharged inline-4 engine (four-cylinder).

  • RX 350 (earlier generations): 3.5-liter V6 engine (six-cylinder).

  • RX 350h and other hybrids: four-cylinder hybrid powertrain (four-cylinder), not a V6.


In summary, the contemporary RX 350 uses a four-cylinder turbo engine, whereas earlier generations used a V6, and hybrids employ a four-cylinder hybrid system.


Historical context: engine options over time


To understand the shift, here’s how engine options have evolved across generations.


All-new RX (2023–present)


The fourth-generation RX adopted a turbocharged four-cylinder engine as its base powertrain. The design prioritizes efficiency and modern turbocharging, with the V6 option no longer offered for the RX 350 in this generation.



  • Engine: 2.4-liter turbocharged inline-4

  • Signature: 8-speed automatic, available all-wheel drive


This represents a move away from the prior V6 configuration toward a smaller, turbocharged four-cylinder setup.


Earlier generations (pre-2023)


Before the redesign, the RX 350 used a 3.5-liter V6. The lineup also included hybrids such as the RX 350h, which combined a four-cylinder engine with electric motors.



  • Engine: 3.5-liter V6 for RX 350 in older generations

  • Hybrid variant: RX 350h uses a four-cylinder hybrid drivetrain


For buyers considering older used RX 350 models, expect a V6 engine in many 2010s-era versions; new buyers should expect a four-cylinder turbo in the current RX 350.


Summary


Bottom line: The modern Lexus RX 350 uses a four-cylinder engine. The shift away from the V6 occurred with the 2023 redesign; traditional V6 powerplants appear in older generations, while hybrids use four-cylinder configurations.


Overall, if you’re shopping today, the RX 350 is a four-cylinder turbo-powered vehicle, with older non-hybrid RX 350 models historically powered by a V6 and RX 350h models using a four-cylinder hybrid system.

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.