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What is the powertrain of the Lexus NX 300?

The Lexus NX 300 is a compact luxury crossover SUV that features a sophisticated powertrain designed to deliver a balance of performance and efficiency. The vehicle's powertrain is a key component that contributes to its overall driving experience.


Engine and Transmission


The Lexus NX 300 is powered by a 2.4-liter turbocharged four-cylinder engine that produces 268 horsepower and 258 lb-ft of torque. This engine is paired with a 6-speed automatic transmission that provides smooth and responsive power delivery.


All-Wheel Drive System


The Lexus NX 300 is available with an optional all-wheel drive (AWD) system. The AWD system is designed to enhance traction and stability in various driving conditions, providing the driver with added confidence and control.


Fuel Efficiency


The Lexus NX 300's powertrain is also engineered for fuel efficiency. The vehicle achieves an EPA-estimated 22 mpg in the city and 28 mpg on the highway with the standard front-wheel drive configuration. The available AWD system slightly reduces the fuel economy, but the NX 300 still delivers impressive efficiency for a luxury crossover SUV.


Driving Dynamics


The Lexus NX 300's powertrain is a key contributor to its overall driving dynamics. The turbocharged engine provides ample power for acceleration and passing, while the smooth-shifting transmission and available AWD system enhance the vehicle's handling and stability. The result is a compact luxury crossover that offers a refined and engaging driving experience.

What is the powertrain of the Lexus nx300?


The NX 300h is powered by a 2.5-liter 2AR-FXE engine mated to an electric motor and CVT that puts out a combined power output of 145 kW (194 hp; 197 PS).



Is the Lexus NX engine the same as the RAV4?


Both the RAV4 and the NX 350h use a version of Toyota's well-known hybrid system, which is based around a 2.5-liter four-cylinder engine. Output numbers differ, however, with the Toyota generating a system total of 219 horsepower and the Lexus outdoing it by 21 hp, for a total of 240 horsepower.



What kind of engine is in the Lexus NX 300?


The Lexus NX300 comes standard with a 2.0-liter turbocharged four-cylinder engine that produces 235 horsepower and 258 lb-ft of torque. An optional hybrid model, the NX300h, is available and pairs a 2.5-liter engine with an electric motor to produce a combined 194 horsepower.
 
This video provides a general overview of the 2021 Lexus NX300, including its engine and performance: 1mPluggedIn AutomotiveYouTube · Sep 16, 2025
Standard engine

  • Type: 2.0-liter turbocharged inline 4-cylinder
  • Horsepower: 235 hp
  • Torque: 258 lb-ft
  • Key feature: D4-S injection system, which combines direct fuel injection and port fuel injectors for crisp responsiveness 

Hybrid engine (NX300h)
  • Type: 2.5-liter Atkinson-cycle four-cylinder engine with a high-torque electric motor
  • Combined horsepower: 194 hp
  • Key features:
    • Seamlessly blends gas and electric power, or uses the electric motor alone at lower speeds
    • Regenerative braking captures energy to charge the hybrid battery 



What are the NX 300's common problems?


The owner comments describe problems respondents experienced with this vehicle.

  • Brakes.
  • Noises/Leaks.
  • Engine Major.
  • Climate System.
  • Electrical Accessories.
  • In-car Electronics.
  • Drive System.
  • Suspension/Steering.


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.