[Jestmaty]

I've always, on almost every car I've owned, consistently fallen short of mixed driving epa numbers. I believe it's 25/26 on the CX30 Turbo?

I got a full tank of gas, not sure if 87 or 93, when we bought it a few weeks ago. It had 15 miles when we test drove it, had 25 when we finished the test drive. We've driven mostly city, very limited hwy, for 275 miles so far.
Cluster says I still have 40 miles left. I'm just a smidge under the 1/4 remaining mark.

I'll do the total miles divided by the number of gallons it takes to fill it up to get actual mileage and report back. But, my initial thoughts are: 275 + another 40 to go = 315 miles? 315/12.7 gallons is basically 25mpg. Won't fully know until I fill it up and reset the trip meter. I'm thinking I can get to 315 miles and at most put 12 in to fill up.? That'll be 26 mainly city mpg, which I'll be thrilled with

Point is, my ABSOLUTELY LETHARGIC 2016 KIA SOUL, with the base 1.6ltr, manual 6 speed transmission, struggles to get 25 city. I mean that car is dangerously underpowered and you'd better plan your highway entrance or CERTAINLY plan before you pull out into 45mph traffic! It's bad... Anyway, kia is a solid dependable engine in my case, but for being so tiny, it gets terrible mileage (maybe 25 city/max 30 hwy)

My other Kia, a 2013 Optima sedan, loaded w every option, a 2 liter turbo engine. 275hp/270ft lbs of torque. Owned it since Dec 2012, 71,500 miles, CAN NOT do anything to get city driving to reach 20mpg!!!!! It's horrible. I think they revised the epa mileage estimates many years ago, it is supposed to get 23 city/29hwy? I rejoice when I get 20mpg! 18 gallon tank of premium fuel to get 'maybe' 360 miles till empty. I've tried every technique to maximize fuel economy on that stupid Optima and just can't break 20 city mpg

We also still own a 2013 VW Beetle convertible with a 2.0ltr turbo gas engine and a 6 speed manual transmission. Bought it used in 2016 with 23k on it, it now has 39K on it after 7 years of ownership. 200hp/210 ftlbs of torque per VW. Actually pretty quick considering how heavy it is (over 3100 lbs if I recall). Pretty sure the estimate for city mileage is about 23mpg, and I get 22/23 pretty regularly.

I only have 275 miles on the new Mazda 2.5T, probably won't really put my foot into it until I'm closer to 1000 miles. Not sure how much the CX weighs, but 2.5 liters apparently pulls the CX around pretty efficiently when not in boost. I know once the engine is broken in, and I start laying into the turbo, fuel economy will tank lol!

I live about 25 miles west of downtown Houston Texas. On the trip computers that show average mph over the life of tank of gas, I usually average less than 20mph, frequently closer to 16 or 17mph. Lots of stopping and waiting at lights EVERYWHERE I drive locally. That can be a fuel economy killer. The Optima and the VW Bettle have that information available to me. I need to read the manual for the CX to see where that sort of info is on the screen.

If I truly can get 25mpg on a 250hp/320 torque AWD vehicle, I'll be ecstatic.

 

[Ace Deprave]

My average mpg over 16,000 miles is 30 (hand caclulated via Fuelly) with all time high of 35.6 on a road trip last summer. I'm in Denver, I wonder how much elevation/thin air affect MPGs.

 

[Mazdalover]

My average mpg over 16,000 miles is 30 (hand caclulated via Fuelly) with all time high of 35.6 on a road trip last summer. I'm in Denver, I wonder how much elevation/thin air affect MPGs.

This is a turbo right?

 

[Ace Deprave]

This is a turbo right?

Yes, 2022 Turbo Premium Plus

 

[Mazdalover]

Hmmm.. I dunno how my mileage is so much less. I’ve never seen those numbers !

 

[Notyes]

The turbo is very sensitive to gas pedal inputs. I had a CX-5 Turbo and one of the reasons I ditched it because with my heavy foot I got barely 21 MPG. With the CX-30 my average is around 26 MPG with my same driving style. When I finesse the pedal and go the speed limit, I can get closer to 28 in mixed and on the highway I have seen 34 MPG. When my wife drives it, the MPGs are noticeably better as well. When I feel miserly, I watch the MPG gauge to keep my foot in check. It really is about how aggressive you are/ your driving style.

I think Mazda could do better with an 8-Speed transmission, one of my biggest gripes of the vehicle. The 6-Speed is fine, but more gears would eek out a bit better fuel economy.

 

[OldFart]

The turbo is very sensitive to gas pedal inputs. I had a CX-5 Turbo and one of the reasons I ditched it because with my heavy foot I got barely 21 MPG. With the CX-30 my average is around 26 MPG with my same driving style. When I finesse the pedal and go the speed limit, I can get closer to 28 in mixed and on the highway I have seen 34 MPG. When my wife drives it, the MPGs are noticeably better as well. When I feel miserly, I watch the MPG gauge to keep my foot in check. It really is about how aggressive you are/ your driving style.

Agree. RPMs below 2K and mpg is pretty good. The higher you go above 2K, it’s easily noticeable how it affects mpg, but thats the zone where the fun factor kicks in.

 

[Notyes]

Agree. RPMs below 2K and mpg is pretty good. The higher you go above 2K, it’s easily noticeable how it affects mpg, but thats the zone where the fun factor kicks in.

In addition, quick off the line starts really hurt it too. On the highway, if you accelerate even a little, you can see the MPG meter drop significantly and quickly. If you really want the best fuel economy, slow smooth starts, and a constant highway engine speed (not actual speed), is the key.

 

[Trickster]

I don’t get the need to monitor fuel economy closely and then agonize over the results.
Is it bad enough that you want to sell it?
Otherwise just enjoy the ride, or go buy an econobox with less horsepower and be bored.

 

[jonnycando]

I am mindful of fuel economy...but I don't agonize...that said I do notice what influences it. Maybe I do things sort of to try and maximize it, but at the end of the day I just drive it.

 

[Leela222]

I don’t get the need to monitor fuel economy closely and then agonize over the results.
Is it bad enough that you want to sell it?
Otherwise just enjoy the ride, or go buy an econobox with less horsepower and be bored.

This!!!!

 

[gmlatlaw]

Hi forum,, this is my first post. My dad has a 2021 turbo with 8k miles on it. I realize the fuel economy of the turbo isn't stellar but we're really getting crappy mileage. The trip computer says 22mpg in mixed driving, and the miles to empty indicator is only 230 on a full tank. I went on a short road trip last weekend and I achieved 25mpg doing steady state 65-70mph on the highway for about 3 hours with AC on, 87 octane. I feel like we should be getting at least 3mpg higher, if not more.

I've checked all the basics. Tire pressure is good, no warning lights, engine feels very strong.

Is anyone else getting numbers like these? Anything else I should check?

I'm getting 25.3 with careful driving with sound 1500 miles on the odometer. I don't really accelerate quickly, but it's been dropping from 26 plus initially. My tank indicates full but I don't get more than 250 on the computer.

 

[SDH]

Low to mid-20's MPG is about what I would expect from a beefier 2.5L Turbo Engine in everyday use as most people drive/commute with their vehicles.

 

[Gymdad]

I didn't mention it in my original post, but I find a marked difference in MPG when I'm running the A/C.

In city driving my MPG drops by about 3-4mpg...highway not so much.

 

[Trickster]

I didn't mention it in my original post, but I find a marked difference in MPG when I'm running the A/C.

In city driving my MPG drops by about 3-4mpg...highway not so much.

Totally unrelated, but your one cute puppy…🤣

 

[Jestmaty]

I didn't mention it in my original post, but I find a marked difference in MPG when I'm running the A/C.

In city driving my MPG drops by about 3-4mpg...highway not so much.

8 or 9 months of the year in SE Texas

It's A/C on from mid April through mid November at least...

 

[Gymdad]

8 or 9 months of the year in SE Texas

It's A/C on from mid April through mid November at least...

Hell, I run mine all the time to keep moisture levels down in the cabin.

If I turn the A/C off, the windows get wet immediately. I've got WeatherTech liners front and back, and no leaks anywhere. It's just a damp cabin without A/C.

 

[kefkafloyd]

I must be lucky, because I averaged 29.6MPG over 12K miles in 2023.

My difference is that most of my driving is back roads and I'm not driving as much in the wintertime as I used to (which really destroys MPG). 93 octane also helps, but obviously its gains are offset by higher cost. I'm also not flooring it at every light—the turbo is surprisingly quick with only minor throttle inputs, so I don't have to go as hard unless I feel like it.

Even in the winter I'm getting something like 27MPG, which is still better than what my old Mazda 3 would do.

 

[SDH]

I must be lucky, because I averaged 29.6MPG over 12K miles in 2023.
View attachment 8577
My difference is that most of my driving is back roads and I'm not driving as much in the wintertime as I used to (which really destroys MPG). 93 octane also helps, but obviously its gains are offset by higher cost. I'm also not flooring it at every light—the turbo is surprisingly quick with only minor throttle inputs, so I don't have to go as hard unless I feel like it.

Even in the winter I'm getting something like 27MPG, which is still better than what my old Mazda 3 would do.

I've only averaged 31.3 MPG in my non-turbo 2.5L CX-30 over the last 2 years (6600 miles total driven), but all my driving is around-town suburbia driving & not highway miles, & I use Sports mode pretty regularly for a change of pace in both driving experience & to force varied engine behavior. That also includes a mix of A/C on & off driving here in southern, AZ depending on the season. I use Shell Premium/Gold (91) n my non-turbo, but mainly that's for the superior Shell top-tier detergent blend - & the fact that I only go through about 3/4 tank total of gas per month, so it isn't breaking the bank or anything to do so.

 

[Spankyboi]

Terrible fuel economy?
I suppose it depends on realistic expectations and driving styles.
For an AWD 2.5 litre turbo engine with a SIX speed automatic, the MPG/litres per 100kms is very normal in an equally comparable vehicle. IMO.✌

I get better fuel economy in my BMW Z4 with twin turbos than I do in my CX30 turbo.