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How many miles per gallon does a 2010 Lexus 450h hybrid get?

On average, the 2010 Lexus RX 450h hybrid gets about 30 miles per gallon combined according to EPA estimates; real-world mileage typically ranges in the upper 20s to low 30s depending on driving conditions.


Official EPA figures


The Environmental Protection Agency published figures for the 2010 RX 450h. The numbers vary slightly by drivetrain and tire size, but fall within a consistent range.



  • City mpg: 30 mpg

  • Highway mpg: 28 mpg

  • Combined mpg: 29–30 mpg


In everyday driving, you can expect the combined mileage to land near 29–30 mpg with typical urban/highway mix and standard tires.


Real-world performance


Owner experiences vary based on climate, terrain, and driving style. Hybrids like the RX 450h often perform better than EPA city estimates on steady highway cruises, while heavy stop-and-go city driving can pull mileage down.



  • Key influencing factors include traffic patterns, use of climate control, and tire condition.

  • Steady, gradual acceleration and maintaining steady speeds typically improve efficiency.

  • Tire size and rolling resistance can alter mpg by a few miles per gallon.


Overall, most drivers report mileage in the high 20s to low 30s mpg under normal conditions for the 2010 RX 450h.


Model-year specifics


The RX 450h uses a hybrid system with a 3.5-liter V6 and electric motors. For the 2010 model year, Lexus offered AWD, with EPA figures cited above. Actual mileage can vary based on wheel size, tires, and other equipment.


Notes on tire size and trims


Larger or lower-profile tires can affect efficiency modestly. The hybrid powertrain remains consistent across trims, with only minor variations due to tires and equipment.


Summary


The 2010 Lexus RX 450h hybrid generally delivers around 30 mpg combined according to EPA estimates, with city roughly 30 mpg and highway about 28 mpg. Real-world mileage typically falls within the high 20s to low 30s, influenced by driving style, conditions, and tire choice.

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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.