What kind of engine does a Lexus RX350 have?

The Lexus RX350 is a popular luxury SUV known for its smooth ride, premium interior, and advanced technology. At the heart of this vehicle is a robust V6 engine that delivers a compelling blend of power and efficiency.

The Lexus RX350's V6 Engine

The Lexus RX350 is equipped with a 3.5-liter V6 engine that produces 295 horsepower and 268 lb-ft of torque. This engine is paired with an 8-speed automatic transmission, providing a seamless and responsive driving experience.

The V6 engine in the RX350 utilizes advanced technologies such as direct fuel injection and dual variable valve timing to optimize performance and fuel efficiency. This allows the RX350 to deliver a comfortable and confident ride while also achieving an EPA-estimated 20 mpg in the city and 27 mpg on the highway.

Key Features of the RX350's V6 Engine

• 3.5-liter V6 engine with 295 horsepower and 268 lb-ft of torque


• 8-speed automatic transmission for smooth and responsive power delivery


• Direct fuel injection and dual variable valve timing for improved efficiency


• EPA-estimated fuel economy of 20 mpg city and 27 mpg highway

The Lexus RX350's V6 engine is a key component of this luxury SUV's well-rounded performance. Its combination of power, efficiency, and advanced technologies makes it a compelling choice for those seeking a refined and capable driving experience.

What engine is in the Lexus RX 350?

The Lexus RX 350's engine depends on the model year, with recent models (2023-2025) featuring a turbocharged 2.4L 4-cylinder engine, while older models (up to 2022) are equipped with a 3.5L V6 engine. The 2.4L turbo produces 275 horsepower and 317 lb-ft of torque, while the 3.5L V6 produces 295 horsepower and 267-268 lb-ft of torque.
 
Engine options by model year

• 2023–2025 Lexus RX 350: 2.4L turbocharged 4-cylinder engine. 
  • Horsepower: 275 hp 
  • Torque: 317 lb-ft 
• 2019–2022 Lexus RX 350: 3.5L V6 engine. 
  • Horsepower: 295 hp (290 hp in RX 350L models) 
  • Torque: 267-268 lb-ft 

Is RX350 4 cylinder or 6 cylinder?

The Lexus RX 350 is a 4-cylinder engine, specifically a 2.4-liter turbocharged four-cylinder, replacing the V6 engine from previous models. This turbocharged engine produces 275 horsepower and 317 lb-ft of torque and is paired with an 8-speed automatic transmission.
 
You can watch this video to see a detailed review of the 2025 Lexus RX 350's four-cylinder engine: 54sVagabond BuildsYouTube · Oct 9, 2025

• Engine: 2.4-liter turbocharged inline 4-cylinder
• Horsepower: 275 hp
• Torque: 317 lb-ft
• Transmission: 8-speed automatic 

What is the common problem with Lexus RX 350?

Common problems reported for the Lexus RX 350 include oil leaks, issues with the airbag system (like warning lights), cracking dashboards, and problems with rain sensors. Other common complaints involve battery failures, steering problems, and A/C or electronic system failures.
 
This video explains the common problems of the 3rd generation Lexus RX 350: 55s1A Auto: Repair Tips & Secrets Only Mechanics KnowYouTube · Jul 2, 2021
Engine and mechanical

• Oil leaks: Leaks often occur around the valve cover gaskets or oil pan. Some models have also reported a more serious issue with the oil line to the Variable Valve Timing (VVT) system. 
• Steering issues: Problems are sometimes linked to leaking power steering fluid. 
• Transmission issues: Some models have reported problems with shifting, gear changes, or transmission fluid leaks. 

Electrical and electronic 

• Battery failure: Premature battery failure has been reported, sometimes leading to starting issues. 
• Airbag problems: Illuminated airbag warning lights, sometimes with specific error codes, are a reported issue. 
• Rain sensors: Defective or malfunctioning rain sensors are a recurring complaint, especially in certain model years. 
• Electronic system failures: Other electronic systems can fail, including issues with the A/C amplifier. 

Interior and exterior

• Cracking dashboards: This was more common in older models. While not directly a safety issue, a cracked dashboard can potentially affect the airbag system, and repairs can be difficult to source. 
• Rattling doors: Some owners have experienced this noise from the doors. 
• Excessive wind noise: Some models have been reported to have excessive wind noise at higher speeds. 

Other

• Check engine light: This can appear with codes related to the Variable Valve Timing system.
• Interior noises: Rattling or squeaking noises inside the cabin are a sometimes-reported issue. 

This video discusses the common complaints about the 2023-2024 Lexus RX: 1mLSFTYouTube · Oct 11, 2024

Which RX engine is best?

The RX 500h is the one to get. It's smoother and better than the V6 ever was.