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MPGs with 2023 Hybrids

8160 Views 136 Replies 32 Participants Last post by  MartyV6
As I've gotten used to driving a hybrid, I've found it quite interesting how driving habits seem to impact fuel economy in ways I didn't initially expect. I likely will not change my driving style in the interest of maximizing fuel economy over time, but in the past week or two have paid a bit more attention to check if my 23 touring model is in the expected MPG range. So far it definitely is with my average in the 42-44 range with mixed city and highway miles. But with some caveats ...

If you truly push the car non-stop very aggressively, yes fuel economy suffers and you'll be lucky to be in the 30s especially if you're in a hilly area. No surprise there. But ... on the flip side if you drive the car very conservatively as if you were trying to conserve gas (as I would in any other traditional ICE), fuel economy also seems to suffer. That is, If I gently accelerate to desired speed with light pressure on the accelerator, the engine is on the entire time fueling either the battery or the drive motor, and the direct drive clutch is not engaged until you get to desired speed. Fuel economy suffers this entire time. However, if I accelerate more briskly to desired speed - whether it's 40, 50, 60, 70, whatever - then settle into that speed, the engine turns off and you're EV, or the direct drive clutch engages for higher MPGs. Maybe this is old news for hybrid owners, but I found it quite interesting. And I've found it very useful to use regenerative breaking to both charge the battery and save the brakes. In a few short weeks, driving a different car that doesn't have this feature is suddenly odd! I really like that feature. Regardless, it's been refreshing that in my limited experience more aggressive driving actually seems to yield better MPGs!

Curious if others have noticed this?
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I drive a mix of 30% Highway and 70% City. So driving to work 5-days a week with a distance of 20 miles one-way I'm getting 46mpg going to work and 51mpg going home. I attribute going downhill and traffic on the way home for the improved mpg. I rarely go over 65mph on the highway portion of my daily commute and my city driving averages 35mph.

So it makes sense if you are driving faster than 70mph you may not gain any advantage with a hybrid. When I was researching hybrids I noticed the Highway MPG was always lower than City MPG. Come to find out, the hybrid motor's sweet spot is cruising at 55mph. If you go above 70mph the engine is running the majority of the time. Rapid starts also suck up gas and lower mpg.

On a lighter note, drove the Accord 4-days this week and maybe used 3-gal averaging 3/4-gal per day. Drove the Tacoma today and sucked up 1.25-gal just to get to work and another 1.25-gal to get home.
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For those of you who are not getting published MPG or close, what tire pressure are you running? I'm running 38psi front and 35psi rear.
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