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I've been waiting for someone to start this thread. My current car averages between 40 to 43 mpg all summer long. When I buy (next spring) the 124 will be my summer car only, and I'm hoping that when driven conservatively (55 to 60 mph) it can attain at least around 37 mpg or more.
 

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Discussion Starter #6
When I buy (next spring) the 124 will be my summer car only, and I'm hoping that when driven conservatively (55 to 60 mph) it can attain at least around 37 mpg or more.
One of the Miata forums has an active thread on "best MPGs" that I've been following. Here, I was more interested in getting a sense of real-world averages. Hopefully, those posting will also indicate their driving style, i.e., conservative or aggressive.

Based on comments on that forum thread, you should definitely be able to hit the high-30s or better if/when not doing much urban stop-and-go driving.

I spent years honing my hypermiling skills with hybrid cars, and I still get entertained by driving with one eye on the "IFE" (instant fuel economy) gauge and the other eye on performance metrics. On my 500 Abarth, my lifetime average FE was 5 MPG higher than the EPA combined figure, and I could easily do road trips at 38 MPG or above while running HVAC (mine is on and running 100% of the time, even if only to dehumidify).
 

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Lusso, 2500 miles
60% highway at 65-90 mph at 4200 feet above sea level
40% mountain at 50 mph from 4200-7000 feet

I'm at 36 and inching up slowly about 0.1 every couple of weeks for some reason.

Automatic trans, although I have started using the manual mode to keep RPM's above 3000 for coming out of turns or getting ready to pass farmers.
 

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.... On my 500 Abarth, my lifetime average FE was 5 MPG higher than the EPA combined figure, and I could easily do road trips at 38 MPG or above while running HVAC (mine is on and running 100% of the time, even if only to dehumidify).
That's great that you were staying above the EPA estimates with your 500 Abarth. That's encouraging.

As for AC, I don't even use it in the summer because of the gas mileage penalty on my Fiesta. I lose 3 to 4 mpg the instant it's turned on.
 

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Lusso Manual

563 Miles 26.2 miles to the gallon
 

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I drove from San Antonio to Houston on Friday and came back today, running 75 mph most of the way, with AC on. I got 35.0 mpg.

Lusso with AT.
 

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UK Anniversary with stick (MT), 300 miles from new, 35.4 mpg 60 highway / 40 city.

Oh wait, that's "imperial" gallons, bigger than your US gallons, so 29.5
 

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Getting 25 mpg around town in San Antonio. I thought the Brits would be posting some really high numbers due to their use of Imperial gallons.
 
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