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Which Lexus is bigger, NX or RX?

The Lexus RX is bigger than the NX. The RX sits in the midsize SUV segment, while the NX is a compact model, so the RX is generally longer, rides on a longer wheelbase, and offers more interior and cargo space.


Size and dimensions


Key measurements illustrate how the RX eclipses the NX in overall footprint. The figures vary by model year and trim, but the RX is consistently longer and rides on a longer wheelbase than the NX.



  • Exterior length: NX ≈ 183–186 inches; RX ≈ 195–196 inches — roughly a 12-inch advantage for the RX.

  • Wheelbase: NX ≈ 104.7 inches; RX ≈ 112.0 inches — about 7–8 inches longer wheelbase on the RX.


The length and wheelbase differences translate into more interior space for rear passengers and a larger cargo well on the RX, compared with the NX.


Interior space and practicality


Practical space considerations show the RX offers more room behind the second row and greater total cargo capacity, making it the more accommodating option for families or those who routinely haul gear.



  • Rear-seat space: RX generally provides more rear legroom and shoulder room than the NX, contributing to a roomier second row.

  • Cargo behind second row: RX typically banks more cargo capacity behind the rear seats than the NX, with the difference widening when the rear seats are folded.

  • Maximum cargo with seats folded: RX offers a larger overall cargo area than the NX in most configurations.


These space advantages are most noticeable in everyday use, such as luggage for trips or children’s gear, where the RX holds a clear edge over the NX.


What buyers should consider


Practical implications by lifestyle


For shoppers weighing the two models, the choice comes down to overall footprint versus maneuverability and cost. The NX is easier to park in tight city spaces and generally carries a lower starting price, while the RX delivers more interior room, a more expansive cargo area, and a bigger road presence.


Engine options and handling can also vary by model year and trim, but size itself remains the clearest differentiator between the NX and RX.


Summary


In summary, the Lexus RX is larger than the NX in exterior dimensions and interior space. If cargo capacity and rear-seat room are priorities, the RX is the more suitable choice. If you want a smaller, more city-friendly luxury SUV with typically lower cost and easier parking, the NX remains a strong option in its class.

Why is RX more expensive than NX?


Why is RX more expensive than NX? The RX commands a premium because of its greater size, more powerful engine options, additional luxury touches, and higher towing capacity compared to the NX.



Which Lexus is better, NX or RX?


The "better" Lexus depends on your priorities: the RX is a mid-size SUV better for more space, power, and families, while the NX is a compact SUV better for city driving, fuel efficiency, and a lower price point. Both offer hybrid and gas options, similar technology, and high reliability. 
This video compares the Lexus RX and NX and discusses which model is right for you: 1mLSFTYouTube · Oct 10, 2025

Feature Lexus RX Lexus NX
Size Mid-size SUV (longer, wider, taller) Compact SUV
Space More interior legroom, headroom, and cargo space; better for families More compact and nimble; still comparable cargo capacity
Performance More powerful engine options available Offers a balance of power and fuel economy
Fuel Efficiency Slightly lower EPA-estimated MPG for base engine Slightly higher EPA-estimated MPG for base engine
Price Higher initial cost Lower initial cost
Long-Term Value Potentially better depreciation resistance and resale value More economical for urban commuting
Technology Both have similar infotainment and safety systems, but the RX comes standard with a larger 14-inch touchscreen and offers available Traffic Jam Assist. Lower trims have a smaller screen, and Traffic Jam Assist is not available.
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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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How much bigger is RX vs NX?


The 2024 RX boasts a 192.5-inch length, while the 2024 NX is 183.5 inches long. This large difference in size may make the Lexus NX slightly easier to maneuver into tight parking spaces or make lane-switching easier, while the Lexus RX offers more standard cargo room.


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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.