Change in fuel mileage from 2016 EXL to 2019 Touring Coupe? Anybody have any comments?

Mike1945

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Just got a 2019 Touring Coupe & noticed the fuel mileage doesn't compare to the 2016 EXL Coupe I had. Anybody else have any opinions?
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IDriveACivic

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- Bigger and heavier wheels on the 2019 Touring
- "Break in" period
- Slightly different tuning related to the OD fix? (This is pure speculation on my part)
 

CosmicX

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Different tires?
I noticed about a 4MPG difference when I replaced my stock tires on my LX.
 

Billy4202

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Not sure what the stock tires are on the '19 Tourings but I figure with the change from 17" --> 18" wheels they're no longer low rolling resistance.

Those Firestone FT140s suck but they delivered great MPG.
 

gtman

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Already mentioned but the heavier 18" wheels and tires with more rolling resistance is a factor. The oil dilution update has increased cold and warm idle speed which will burn a bit more gas as well.

Edit: I just checked the specs on MPG, and there is a big drop in the EPA numbers. My '17 sedan is rated 32/42. The '19 Touring is rated 30/38. That's a 10% MPG drop on the highway. Wow.
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