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How many miles per gallon does a 2024 Lexus RX 450h+ plug-in hybrid get?

The 2024 Lexus RX 450h+ plug-in hybrid SUV achieves an impressive fuel economy of up to 35 miles per gallon (MPG) in combined city and highway driving. This makes the RX 450h+ one of the most fuel-efficient luxury hybrid SUVs on the market.


Detailed Fuel Economy Breakdown


The 2024 Lexus RX 450h+ is powered by a 2.5-liter four-cylinder engine paired with two electric motors and a lithium-ion battery pack. In all-electric mode, the RX 450h+ can travel up to 35 miles on a single charge before the gasoline engine kicks in.


When operating in hybrid mode, the RX 450h+ achieves an EPA-estimated 35 MPG in combined city and highway driving. This represents a significant improvement over the non-hybrid Lexus RX, which gets an estimated 24 MPG combined.


Factors Influencing Fuel Efficiency


Several factors contribute to the impressive fuel economy of the 2024 Lexus RX 450h+:



  • Hybrid Powertrain: The combination of a gasoline engine and electric motors allows the RX 450h+ to optimize power delivery and efficiency, reducing fuel consumption.

  • Regenerative Braking: The RX 450h+'s regenerative braking system captures energy during deceleration and stores it in the battery, further improving overall efficiency.

  • Lightweight Design: Lexus has implemented lightweight materials and engineering techniques to reduce the RX 450h+'s overall weight, contributing to its fuel-sipping performance.


These factors, along with Lexus' attention to detail in the RX 450h+'s design and engineering, make it one of the most fuel-efficient luxury hybrid SUVs available today.


Conclusion


The 2024 Lexus RX 450h+ plug-in hybrid SUV delivers exceptional fuel efficiency, with an EPA-estimated 35 MPG in combined driving. This makes it a compelling choice for luxury SUV buyers who prioritize both performance and environmental responsibility.

How long does a Lexus 450h hybrid battery last?


Under average driving conditions, you'll need a hybrid car battery replacement roughly once every 150,000 miles or 15 years, whichever comes first.



What is the fuel consumption of the 2024 Lexus RX 450h?


Meant to increase the vehicle's overall driving range on a single tank, this hybrid powertrain generates combined 304 horsepower and 175 lb-ft of torque, while returning stellar SUV fuel economy ratings of 6.5 L/100km in the city and 7.1 L/100km on the highway!



How many miles per gallon does the RX450h+ plug-in hybrid get?


The 2024 Lexus RX 450h+ is the first plug-in hybrid (PHEV) in the lineup. It earns a remarkable 83 miles per gallon-equivalent (mpg-e). Ensuring a terrific value, as Lexus always does, the RX PHEV comes in the Luxury grade.



How many miles per gallon does the RX450h+ get in real world?


On our real-world 75-mph highway test, the RX went 28 miles on electricity before the gas engine kicked in and then averaged 30 mpg in hybrid mode for the rest of the loop.



How much does it cost to replace Lexus RX hybrid battery?


$2,000 to $8,000
While your typical auto battery costs around $100 to $200, a hybrid battery costs significantly more. In fact, hybrid battery replacement costs can vary anywhere from $2,000 to $8,000.



How far can the Lexus RX 450h go on electric?


Plus Pricing

2024 Lexus RX450+ AWD Specifications
Base Price$70,080
MT Figure Eight26.8 sec @ 0.65 g (avg)
EPA City/Hwy/Comb Fuel Econ33/36/35 mpg, N/A/N/A/83 mpg-e*
EPA Range, Comb37 (elec), 540 miles*



What is the range of the 2024 RX450h+?


540 miles



How big is the gas tank on the Lexus RX 450h+?


14.5 gal
Fuel & MPG
0/0 mi. 14.5 gal.



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


Lexus also claims the RX 450h+ can travel up to 37 miles on electric power, more than rivals like the Volvo XC90 Recharge and the Lincoln Corsair Grand Touring (32 miles and 27 miles, respectively) but less than the BMW X5 xDrive50e (40 miles) and well short of the 48 miles promised by the Mercedes-Benz GLE 450e.



Does the 2024 Lexus RX Hybrid require premium gas?


2024 Lexus RX 350h Fuel Type & Tank Size
The plug-in hybrid RX 450h+ Luxury trim offers a 14.5-gallon tank, leaning more into its electric capabilities. Across the lineup, every Lexus RX Hybrid model is engineered for peak performance using premium unleaded gasoline.


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.