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Our 2023 Tucson hybrid is getting a stellar 24.5 mpg average after 10k miles, according to Hyundai it is acceptable and not their problem! I won’t support Hyundai in the future!
Hey, that's better than my 22.5 or less mileage. Winter blend fuel? City driving only? I just know in summer I got a high of 31.5 because of two trips a week across town to play golf. I kinda' thought it would be more, small 4 cylinder engine and all.
 
I certainly don't! I thought I would, being an older driver and all, but nope.
This is a post about the hybrid powertrain, best to be clear you have the 2.5 ICE powertrain.

My hybrid can get 35-40mpg easily in the summer at 70mph or lower.

My winter economy sucks but I'm used to that in all my vehicles. I also run snow tires and do lots of short drives.
 
My mileage sucks too, I've got a 22 Hybrid limited. That said it was much better before it got cold...
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REVELATION

Just doing some approximate math based on your chart, you've lost approx. 7mpg due to colder weather. That's roughly 30 percent GREATER mileage when the weather's nicer. That's not even including any other factors, like for example running with roof racks (the crossbar sections) in place. Thank you Tooson for pointing that out. Had no idea the cross bars on roof racks could cause such a huge change in mileage.

WATCHING THE SHOW
Again, I was watching, just for fun, another Tucson driving through traffic the other day. Him: jack-rabbit starts, tailgating and subsequent constantly hitting the brakes (and re-accelerating up to speed), traveling faster than cars in front, thus having to slow down again and again, not timing lights and staying "on the gas" up to the last second when approaching red lights... I was near this guy for several miles watching the show. He was trying so hard to get through traffic, and making every possible gas mileage mistake you can make. No surprise to me if he showed up on this forum groaning about mileage. This stuff adds up folks. If ya want premium mileage, all the stars have to align.

NOT ALONE
Ever read the Prius forums? Guess what way too many posters complain about? Guess why? I owned a Camry hybrid, first cousin to the Prius. I got stellar mileage, but it was no accident: that's how I drove the thing. My cousin owns a Prius. We talk about it from time to time. He gets really crummy mileage. Guess how he drives? Just like the guy I described above.

BACK TO SCHOOL
Here's a simple fact from high school physics class. My Tucson is a rather large vehicle: that's part of WHY I bought it. More weight and a larger vehicle = MORE affected by anything that eats gas.

IT'S NOT THE CAR, FOLKS.
 
I can't idle and get that mileage, in fact, less than I get at my usual 22.5, more like 18 or 19 mpg, just idling. Listen, I don't know what you're doing, I don't drive like a maniac, but tire of folks giving me these outrageous mileage comments on their 2.5 ICE engines.
 
Kinda hard to fake it, ICE 2.5 in a short trip


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Long trip doing 70-90 mostly with some major side wind coming from the east that day, but this is what I got coming back and on my driveway back on the trip.....

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All I can really say is keep cruise control OFF and use your foot, and drive like major granny, and HOLD that pedal still if on flat ground, and can watch that meter go to 50 and stay there. That's if you are doing 63 or below, and no hills, for that's how I get good MPG out of anything I drive, but that darn Ford Escape (2019/17/15) it just loved getting under 20mpg no matter what I did.

So again I must say its the driver, drive conditions, no not believe this winter summer gas bs, for in winter you get better MPG with a ICE for the air has more O2 and dense/ rolling or larger hills/ start and stop/ traffic jams and start and stop/ construction zones for you have to slow down and get back up to speed/ speed changes on uphill's rather then placing speed zone changes with going faster on the downhill, and slower on the up hill where taking your foot off the gas to slowdown would also help just by doing that alone many people gas money, and giving gas on the downside wouldn't need as much gas then to get up to speed :O
EX Trucker BTW.

So all of these mentioned and I am sure there is a ton more, that all comes down to MPG, but I would say the worst culprit of them all is cruise control, turn it off ASAP!
 
Id be willing to bet the fact the 2.5 ICE has port and direct injection, it has some play into why some of us can find that sweet spot depending on how we drive and road conditions/hills.

Does the little 1.6 turbo have dual injection as well?
 
Yes and no [edited, see next post]. Many automakers have learned a VERY important lesson concerning the damage caused by utilizing earlier versions of direct injection only. However, in Hyundai's case, it was also very expensive. Or should I say "is," because they're still paying out the nose for the oversight. Good thing our Tucsons are selling so well: they need the profits. That said, I'd be willing to bet that the entire organization is laser focused on producing engines that don't break. The lesson was too painful and expensive to result in any less. That's why I took the chance after their recent Theta II engine fiasco... to go ahead and buy a new Hyundai.
 
OOPS: correction on that last post. Looks like the 1.6 is a whole new generation of amazing technology from Hyundai. A much more refined version of direct injection only, they won themselves some serious recognition for their prowess in developing this engine.
 
for in winter you get better MPG with a ICE for the air has more O2 and dense
I'd like to address this statement. Much of what you said was spot on except the statement I quoted above. Though this is true in concept, there's another (and much greater) force at play here. Fuel doesn't vaporize nearly as quickly or as thoroughly at colder temps as it should. This far outweighs any benefits of a cooler denser charge. It has a HUGE effect on gas mileage and unfortunately on hybrid vehicles. According to the department of energy's website, your not just reading some random opinion here. You can read their brief report on this subject here: CLICKY

I'll paraphrase some of it here:
"Cold weather and winter driving conditions can significantly reduce fuel economy. Fuel economy tests show that in city driving, a conventional gasoline car's gas mileage can drop as much as 24% for short (3- to 4-mile) trips at 20°F than it would be at 77°F. It .

Cold weather effects can vary by vehicle model. However, expect conventional gasoline vehicles to suffer (up to) 20% fuel economy loss in city driving and (up to) 33% loss on short trips.

The effect on hybrids is typically greater - with fuel economy dropping (up to) 34% under these conditions. For hybrids, fuel economy typically decreases (up to) 40% in city driving and (up to) 45% on short trips.

For electric vehicles (EVs), fuel economy can drop roughly 39% in mixed city and highway driving, and range can drop by 41%. About two-thirds of the extra energy consumed is used to heat the cabin."

Bottom line: all cars end up with a net loss in gas mileage as temps drop, with PHEVs and hybrids suffering the most (in that order).
 
Id be willing to bet the fact the 2.5 ICE has port and direct injection, it has some play into why some of us can find that sweet spot depending on how we drive and road conditions/hills.

Does the little 1.6 turbo have dual injection as well?
No dual injection but a unique valve train that contributes to increased economy and lower emissions. It is the only engine like it in the world. Hyundai’s Breakthrough Engine that Answers a 133-year Challenge - Hyundai Motor Group TECH
It also has other unique features such as a heat exchanger built into the exhaust system and an exhaust manifold integrated into the engine block produce faster warmup times and also increases fuel efficiency.
 
Mungo, that was some impressive reading. Thanks for supplying the link. I learned a few things, though my head's still spinning from all the details in that article. Hyundai is developing some real world-class engines. Sad that all this is taking place on the precipice of a new chapter in automotive engineering. Seems most manufacturers are diverting their best engineers and resources away from developing ICE engines, and moving toward the inevitable future of electric propulsion. That's what makes Hyundai's new technology so amazing. It takes a lot of resources to bring this kind of ICE technology to market.
 
So, we are whiners for stating our results! I purchased my 2023 tucson hybrid blue because of the ADVERTISED 38/38 MPG. I didn't see anything about must drive 50mph on a Highway, going down hill with a tailwind, no spare tire, driving barefoot, with only 1/2 tank if gas after you've driven 12,001 miles. I exaggerate but I'm not far off, you get the idea. if the MPG was tested and in the real world then we, the whiners, wouldn't have anything to whine about. I have 2,400 mile on mine and get only 27.8mpg on a 55° day going 65pmh. Yes, i know I should be driving at 50mph....that wouldn't be a Highway!!!
I've had two hyundai Elantras and and I always could reached the advertised mpg after the first 500-700 miles, summer, fall, winter, or spring. I drove 65-70mph, i carried a spare tire, a passenger, and a full tank of gas....
Maybe Hyundai need to list summer and winter MPG.

I can't see how my MPG is going to jump from 28/27 to something close to 38/38 by the temperature raising to 60, 70° or does it need to got to 92.5°?
Well, enough whining for now, but anytime anyone asks how I like my new car, I'm sure they check the 2023 tucso Hybrid off their list if they're looking for a fuel efficient car.

I think everyone want to make decisions on accurate info from the manufacturer.
I get that you are disappointed and I understand it, but you all repeatedly misrepresent the mileage numbers. You can't expect to be taken seriously.
 
Mungo, that was some impressive reading. Thanks for supplying the link. I learned a few things, though my head's still spinning from all the details in that article. Hyundai is developing some real world-class engines. Sad that all this is taking place on the precipice of a new chapter in automotive engineering. Seems most manufacturers are diverting their best engineers and resources away from developing ICE engines, and moving toward the inevitable future of electric propulsion. That's what makes Hyundai's new technology so amazing. It takes a lot of resources to bring this kind of ICE technology to market.
I would like to see how this engine would perform in a non-hybrid car.
 
How the heck did you get 10,000 miles on it already without doing lots of high speed interstate travel or a crap ton of short trips in winter?
Id be willing to bet the fact the 2.5 ICE has port and direct injection, it has some play into why some of us can find that sweet spot depending on how we drive and road conditions/hills.

Does the little 1.6 turbo have dual injection as well?
My 2017 Tucson Eco had the 1.6L turbo. It was GDI only. I really liked the engine. It was easy to do routine maintenance; one set of plugs, one accessory drive belt, air filters, oil changes. (That was it in 116k miles.) However, I did not like the 7-speed DCT that Hyundai used. I think Hyundai used a dry DCT to get just a tiny bit more efficiency out of the power train. The car was awesome on the highway, gear changes were nearly instant. However, stop-go traffic, slowly pulling out of an intersection; were not good at all (bordering on dangerous). The DCT struggled to find that sweet spot of soft acceleration. Computers aren't nearly as good at feathering the clutch as us humans. My wife's CX-5 uses a wet DCT and while it costs a few points in efficiency, it's much better in stop-go traffic and city driving.

The DCT in the Eco was a contributing factor to my purchase of the 2023 Hybrid Blue. The hybrid is a far superior driving experience in all those situations where the DCT on the old Eco struggled.
 
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