EPA Fuel Economy Ratings - What changed?

[White Shadow]

I checked the EPA fuel economy website (EPA.gov) to see if they had the fuel economy posted for the 2023 manual transmission Supra. It's not yet listed, but they do have the 2023 automatic transmission car and the fuel economy ratings has increased slightly over the 2022 models.

So what changed? To see a change in the same car from year to year, typically something like gearing was altered or something else that can affect fuel economy.

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[Suggs.OR]

Automatic start stop while in sport mode

 

[MKV2021]

Factory installed wind buffeting mitigation measures, for sure.

 

[Awales74]

EPA Mileage estimates are self tested. Maybe they hired a former VW engineer that had a great idea.

 

[J29DB03]

They were able to create an unprecedented oil viscosity of 0w-0.

 

[sirupytugboat]

You can also see it on the Toyota Canada website: https://www.toyota.ca/toyota/en/vehicles/supra/overview#

Converting L/100KM to MPG, you have:
2022: 22/29 MPG
2023 3.0 AT: 23/31 MPG
2023 MT: 19/27 MPG

 

[White Shadow]

You can also see it on the Toyota Canada website: https://www.toyota.ca/toyota/en/vehicles/supra/overview#

Converting L/100KM to MPG, you have:
2022: 22/29 MPG
2023 3.0 AT: 23/31 MPG
2023 MT: 19/27 MPG

Wow, that's a bigger drop than I was expecting.

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