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How many miles per gallon does a 2012 Lexus RX 450 hybrid get?

The 2012 Lexus RX 450h, a luxury hybrid SUV, achieves an impressive fuel economy of 32 miles per gallon (mpg) in the city and 28 mpg on the highway, for a combined rating of 30 mpg. This makes the RX 450h one of the more fuel-efficient vehicles in its class, providing a balance of performance, comfort, and environmental responsibility.


Detailed Fuel Economy Breakdown


The 2012 Lexus RX 450h is powered by a 3.5-liter V6 engine combined with an electric motor, delivering a total system output of 295 horsepower. This hybrid powertrain, paired with Lexus' advanced transmission and energy-efficient design, allows the RX 450h to achieve the following fuel economy ratings:



  • City driving: 32 mpg

  • Highway driving: 28 mpg

  • Combined (city and highway): 30 mpg


These figures are significantly better than the non-hybrid Lexus RX 350, which has an EPA-estimated fuel economy of 18 mpg city, 25 mpg highway, and 21 mpg combined. The RX 450h's hybrid technology, including its regenerative braking system and electric motor, enables it to deliver superior fuel efficiency without sacrificing the luxury and performance expected from a Lexus vehicle.


Factors Influencing Fuel Economy


Several factors can impact the real-world fuel economy of the 2012 Lexus RX 450h, including driving conditions, driving style, and vehicle maintenance. Owners who prioritize efficient driving, such as avoiding rapid acceleration and maintaining a steady speed, may be able to achieve fuel economy figures at the higher end of the EPA's estimates. Additionally, proper tire inflation, regular maintenance, and minimizing cargo weight can all contribute to maximizing the RX 450h's fuel efficiency.


Overall, the 2012 Lexus RX 450h stands out as a fuel-efficient luxury hybrid SUV, delivering a compelling combination of performance, comfort, and environmental responsibility.

How much does it cost to replace the battery in a Lexus RX450h?


The average cost for a Lexus RX450h Hybrid High Voltage Battery Replacement is between $7,814 and $7,911 but can vary from car to car.



How far can a Lexus hybrid go on a tank of gas?


The mild-hybrid Lexus NX 350h can travel a total of 566 miles on a full tank of gas and juice from the mild-hybrid battery. The plug-in hybrid Lexus NX 450h+ and Lexus NX 450h+ F SPORT Handling AWD can travel 37 miles6 using electric-only power. EPA-estimated 41 city/ 37 hwy/ 39 comb MPG rating for 2025 Lexus NX 350h.



How many miles per gallon does a Lexus rx450 hybrid get?


Lexus RX 500h AWD: 27 city / 28 highway / 27 combined* Lexus RX 450h+ AWD: 83 MPGe**



Can you drive a Lexus with a dead hybrid battery?


However, if the main hybrid car battery is dead, do not attempt to drive the vehicle and make a service appointment at Haldeman Lexus of Princeton immediately.



How much does it cost to replace the battery in a Lexus 450h hybrid?


The average cost for a Lexus RX450h Hybrid High Voltage Battery Replacement is between $7,814 and $7,911 but can vary from car to car.



How many miles per gallon does a 2012 Lexus rx450 hybrid get?


Based on data from 18 vehicles, 1,343 fuel-ups and 449,795 miles of driving, the 2012 Lexus RX450h gets a combined Avg MPG of 26.06 with a 0.17 MPG margin of error. Below you can see a distribution of the fuel-ups with 58 outliers (4.14%) removed.



How long does a Lexus RX450h hybrid battery last?


2021 Lexus RX 450h batteries frequently last between 3-5 years, but this is variable depending on the type of battery, weather conditions, driving habits, and more. You can prolong the life of your RX 450h battery by: Keeping your vehicle stored indoors away from extreme swings in temperature or climate.



What is the best year to buy a Lexus 450h?


The 2022 Lexus RX 450h is our top pick for the best model year value for the RX 450h. With the 2022, you would only pay, on average, 71% of the price as new, with 83% of the vehicle's useful life remaining.



What happens if you put regular gas in a Lexus hybrid?


Use of unleaded gasoline with an octane rating lower than what is listed for your model year vehicle could potentially result in engine knocking. If the octane rating used is less than required, damage to the engine may occur and which could void the vehicle warranty.



Does the Lexus RX 450h hybrid require premium gas?


You can put premium gas in your Lexus RX, and it can provide better performance, but it's not a requirement. Any gas that's put in your Lexus RX shouldn't be higher than 15% ethanol. If gasoline at the pump has more than 15% ethanol, or it's labeled as a flex-fuel, it shouldn't be used in your RX.


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.