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What is the range of the Lexus 450h plug-in hybrid?

The Lexus NX 450h+ plug-in hybrid offers about 36 miles (58 kilometers) of electric‑only range on a full charge, per EPA estimates. If you meant the older RX 450h, that model is a non‑plug-in hybrid and does not have an electric‑only driving range.


The question revolves around how far a Lexus plug-in hybrid can travel on electricity before the gasoline engine kicks in, and how that figures into daily use and longer trips. Range varies by model year, testing standards, and driving conditions, so the following provides current context for the NX 450h+ and general considerations for real-world use.


Clarifying the model lineup


Plug-in vs non-plug-in hybrids


In Lexus’ present lineup, the plug-in option is the NX 450h+ (also written NX 450h Plus). The traditional RX 450h and older 450h variants are conventional hybrids that cannot be charged via plugging in and do not offer an electric-only range.


Electric range of the NX 450h+ plug-in hybrid


Below are the key figures travelers should know about the NX 450h+’s electric range and charging in typical use.



  • The EPA-estimated electric-only range is about 36 miles (58 kilometers) on a full charge.

  • Charging times: a full recharge takes around 2.5 hours when using a 240-volt Level 2 charger (6.6 kW). Charging on a standard 120-volt outlet takes considerably longer.

  • Real-world range varies with temperature, terrain, and driving style, so actual miles may be higher or lower than the EPA figure.


In practice, the NX 450h+ blends electric propulsion with gasoline to deliver a combined range for longer trips, while enabling daily commutes to be completed mostly on electric power.


Factors that can affect range and practical use


To help drivers maximize benefit and understand variability, consider these common influences on electric range and charging performance.



  • Ambient temperature and use of climate control (heating or air conditioning) can reduce electric range.

  • Driving style: rapid acceleration and high speeds consume more energy.

  • Battery state of charge and battery health can impact how far you can go on electricity alone.

  • Terrain and load: hills, cargo, and roof racks add extra energy demand.

  • Use of accessories and infotainment features can draw power from the battery or alternator.


Practical takeaway: plan trips to leverage the electric range for daily commuting, and recharge as needed to maintain efficiency over longer journeys.


Summary


The Lexus NX 450h+ plug-in hybrid offers an EPA-rated electric range of roughly 36 miles per full charge, with a typical Level 2 charging time of about 2.5 hours. If you were asking about the older RX 450h, it is not a plug-in hybrid and does not provide an electric-only driving range. Real-world range will vary by conditions and driving behavior.

How many miles per gallon does a Lexus RX450h plug-in hybrid get?


The Lexus RX 450h+ plug-in hybrid gets an EPA-estimated 83 MPGe combined (gas + electric) and 35 mpg combined on gasoline alone. It also has an all-electric driving range of up to 37 miles on a full charge. 
You can watch this video to learn more about the Lexus RX 450h+ and its features: 49sBen HardyYouTube · Jun 17, 2025

  • MPGe (Gas + Electric): 83 MPGe
  • MPG (Gasoline Only): 35 mpg
  • Electric Driving Range: 37 miles 



What is the difference between Lexus 450h and 450h+?


2025 Lexus RX 450h is a 5-seat SUV that offers 838 L (29.6 ft³) of trunk space behind the rear seats and that opens up to 1308 L (46.2 ft³) with the rear seats folded down. The 5-seat SUV 2025 Lexus NX 450h+ has a 643 L (22.7 ft³) trunk and up to 1328 L (46.9 ft³) with the rear seats stowed.



What is the range of the Lexus 450h PHEV?


37 miles
2024 Lexus RX 450h+ AWD Specifications

2024 Lexus RX 450h+ AWD Specifications
Lateral Acceleration0.81 g (avg)
MT Figure Eight26.8 sec @ 0.65 g (avg)
EPA City/Hwy/Comb33/36/35 mpg (gas), 83 mpg-e (gas+elec) comb*
EPA RANGE, COMB37 miles (elec), 540 miles*



How long does it take to charge a Lexus RX 450h plug-in hybrid?


2.18 hrs. Estimate based on 18 kWh battery charging from 10% to 90% capacity. Level 2 uses an average charging power of 6.6 kW and DC Fast uses an average charging power of 62.5 kW.


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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.