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RX vs NX 450h+ EPA MPG

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Old Nov 27, 2025 | 12:51 AM
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Default RX vs NX 450h+ EPA MPG

Is it me or are these numbers off? The EPA estimates show the 2026 RX 450h+ getting better mpg than the 2026 NX 450h+. I know the EPA changes how they measure, but this makes no sense. I also wonder if the updated RX numbers would apply to the 2024 and 2025 models.



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Old Nov 27, 2025 | 06:20 AM
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Statistically insignificant. And as if anyone ever gets the EPA figures.
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Old Nov 27, 2025 | 08:02 AM
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Originally Posted by Dhill
Is it me or are these numbers off? The EPA estimates show the 2026 RX 450h+ getting better mpg than the 2026 NX 450h+. I know the EPA changes how they measure, but this makes no sense. I also wonder if the updated RX numbers would apply to the 2024 and 2025 models.


It also indicates that they both get 2.9 gallons per 100 miles, which is 34.48275 mpg, a much more accurate number. I'm guessing the NX got slightly below 34.5 mpg and the RX got slightly above that, or maybe Lexus had to round one up and one down to balance out.

Originally Posted by Eagleboy99
Statistically insignificant. And as if anyone ever gets the EPA figures.
I am getting 35.23 mpg by my own calculations, over 36,234 miles. Of course, mileage may vary...
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Old Nov 27, 2025 | 09:21 AM
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Originally Posted by WellsB

I am getting 35.23 mpg by my own calculations, over 36,234 miles. Of course, mileage may vary...
Indeed - and I'm also getting 50 miles of pure electric range at 21 K miles. This is significantly more than EPA estimates of 37-38 miles.


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Old Nov 27, 2025 | 05:09 PM
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Yeah, my EV range generally stays around 45 miles, though I have typically not used EV above 55 and mostly use it in town. It will be interesting to see the impact that the short freeway run to town changing from a 55 to 65 speed limit will have on my EV range. The few times I've forgotten to switch to HV mode on 65+ freeways, the EV range has been considerably less than usual.
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Old Nov 28, 2025 | 06:07 AM
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My RX 350h gets the EPA numbers regularly.
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