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Is the Lexus Nx 350 fuel-efficient?

The Lexus NX 350 is reasonably fuel-efficient for a compact luxury SUV, especially when compared with older turbocharged rivals. The turbocharged NX 350 offers competitive mileage, while the NX 350h hybrid delivers noticeably higher fuel economy. Exact figures depend on model year, drivetrain, and driving conditions, so check the current EPA ratings for your specific configuration.


How the NX 350 achieves efficiency


Several design and powertrain choices influence the NX 350’s real-world efficiency. Here’s how these elements come together in the current lineup.



  • Turbocharged 2.4-liter four-cylinder engine paired with an eight-speed automatic transmission aims to balance power and efficiency.

  • Drivetrain choice matters: front-wheel drive (FWD) versus all-wheel drive (AWD) can shift efficiency due to weight and drivetrain losses.

  • Lexus engineers optimize aerodynamics and weight to minimize drag and rolling resistance, improving highway efficiency.

  • Drive modes and electronic controls can help conserve fuel, particularly in urban and mixed driving.


For buyers prioritizing efficiency, the NX 350h hybrid variant uses a different powertrain architecture to deliver higher overall economy, especially in city driving.


Fuel economy by drivetrain and year


EPA fuel economy varies by whether the NX 350 uses FWD or AWD, and by the model year as tuning and equipment evolve. The following general patterns reflect recent generations:



  • NX 350 with front-wheel drive (FWD) typically delivers higher combined efficiency than AWD, due to reduced drivetrain losses.

  • NX 350 with all-wheel drive (AWD) tends to show a modest drop in combined mpg, influenced by added weight and drivetrain complexity.

  • Model-year updates can tweak efficiency through engine calibration, transmission tuning, and packaging (e.g., tires and aero tweaks).


For precise, year-specific numbers, consult the official EPA ratings and Lexus’s spec sheets for your exact year, trim, and wheel choice.


NX 350h hybrid: the efficiency leader in the lineup


The NX 350h provides a clear efficiency advantage in the lineup, thanks to its hybrid powertrain that blends a gasoline engine with electric motors and regenerative braking. In practice, the hybrid variant typically achieves higher combined fuel economy than the turbocharged NX 350, particularly in city driving where hybrids excel.



  • The hybrid system favors economy in stop-and-go conditions and when the electric motor provides at least partial propulsion at lower speeds.

  • Hybrids often deliver better city mpg and competitive highway efficiency, depending on tire choice and driving style.


As always, verify year- and trim-specific EPA numbers, since wheel options, tires, and packages can affect efficiency estimates.


Real-world efficiency tips


Actual fuel economy depends on driving habits and conditions. The following practices can help you maximize efficiency in any NX 350 configuration:



  • Aim for smooth acceleration and steady cruising; use cruise control on highways where appropriate.

  • Keep tires inflated to the recommended pressures to reduce rolling resistance and improve mpg.

  • Adhere to regular maintenance, including timely oil changes and air filter checks; proper maintenance supports efficiency.

  • Consider the NX 350h for predominantly urban commuting to maximize overall fuel savings.


Battery conditioning and climate control use can influence hybrid efficiency, especially in extreme temperatures.


Verdict: Which NX 350 is best for fuel efficiency?


If fuel economy is your top priority, the NX 350h hybrid is the stronger choice due to its hybrid architecture and urban efficiency gains. If you prefer the turbocharged NX 350 for its higher performance potential, you’ll still see competitive efficiency for its class, with some compromise in city fuel economy compared with the hybrid. Always compare exact EPA numbers for the specific year, trim, and drivetrain you’re considering.


Fuel economy data by model year and configuration


Below is a general guide to what you might expect in recent years. Always verify with EPA and Lexus for your exact build:



  • 2021–2024 NX 350 (turbo, FWD): combined mpg commonly in the upper 20s to around 30 mpg; AWD typically lowers combined mpg by a few mpg.

  • 2021–2024 NX 350h (hybrid): combined mpg typically in the high 30s to near 40 mpg, depending on driving conditions and tires.

  • Model-year updates may adjust numbers slightly due to tuning or tire changes.


For the most accurate numbers, consult the EPA Fuel Economy site and Lexus official pages for your exact trim, drivetrain, and wheel configuration.


Summary


The Lexus NX 350 offers competitive fuel efficiency for a compact luxury SUV. The turbocharged NX 350 is efficient for its class and delivers solid highway mpg, while the NX 350h hybrid significantly outperforms the turbo model in city driving and overall efficiency. Check the latest EPA ratings for your exact year and configuration to compare accurately, and consider the hybrid if maximizing mileage is your main goal.


Note: This overview reflects recent model years and is intended to guide you toward reliable, up-to-date fuel economy expectations. Always verify with official EPA data and Lexus specifications for your specific vehicle configuration.

Is the Lexus NX fuel-efficient?


#3 - 2025 Lexus NX 350h
Not only can your family fit plenty with its spacious interior and cargo space, but you can save on gas with its fuel economy rating of 5.7/6.4 L/100KM (city/highway).



Is the Lexus NX just a RAV4?


No, the Lexus NX is not just a RAV4; it is a more luxurious and refined compact SUV that shares a platform with the Toyota RAV4 but differentiates itself with premium materials, different engine options, more advanced technology, and a higher price point. While both are built on the same TNGA-K platform, the NX offers a more upscale experience and performance variations. 
Key differences 
This video highlights the differences in size and cargo space between the Lexus NX and Toyota RAV4: 54sJosh on CarsYouTube · Apr 9, 2023

Feature Lexus NX Toyota RAV4
Design and Interior Focuses on luxury with premium materials, a more upscale interior design, and a sportier, coupe-like exterior. Emphasizes practicality and utility with a more traditional, boxy SUV design.
Powertrain Offers more engine options, including turbocharged and plug-in hybrid variants, with higher horsepower outputs on some models. Provides fewer engine options but includes a very popular hybrid powertrain.
Technology Features more premium technology, such as larger touchscreens, available head-up displays, and more advanced safety systems on some trims. Offers capable and practical technology, with features like a 10.5-inch touchscreen standard on many models.
Price and Value Has a higher starting price, requires premium fuel, and comes with a higher cost of ownership. Is more budget-friendly and a better value, with lower depreciation and better fuel efficiency.
Space Generally has less cargo space and a tighter rear seat compared to the RAV4 due to its sportier design. Offers more cargo space and a more spacious interior due to its taller and more utilitarian design.
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Is the Lexus Nx 350 good on gas?


The NX 350 F Sport Handling all-wheel drive, NX 250, and NX 350 models get between 22-25 city miles per gallon and 28-32 MPG highway.



Which is better, Lexus NX 250 or 350?


The main difference is performance: the NX 250 uses a naturally aspirated 2.5L engine with 203 horsepower, while the NX 350 features a more powerful turbocharged 2.4L engine with 275 horsepower. The NX 350 also comes standard with all-wheel drive, whereas the base NX 250 is front-wheel drive, and the 350 generally offers more luxury options and features. 

Feature NX 250 NX 350
Engine 2.5L 4-cylinder 2.4L turbocharged 4-cylinder
Horsepower 203 hp 275 hp
Torque 184 lb-ft 317 lb-ft
Drivetrain Standard front-wheel drive (AWD is optional) Standard all-wheel drive
Fuel Regular gasoline Premium gasoline
Performance More fuel-efficient, less powerful More powerful, quicker acceleration
Features Standard luxury features, but fewer upgrade options More premium standard and optional features, such as upgraded interior materials and lighting
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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.