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2012 Elantra just turned 100,000 miles. I had filled up in Phoenix and just started back from the Grand Canyon. Note the 48 mpg mileage. The total indicated round trip when I arrived home was 52 mpg. For this trip, I limited the speed to a maximum of 65 mph.
 

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I have a 08 Sante Fe. V-6. I bought it 2 1/2 years ago. When I first got it, ran excellent lots of power and gas mileage was 18 in town and 22-24 on hwy. Now it literally sucks !!!! It’s never had any mechanical issues (knock on wood) and just had it in shop to be checked out. Even though no lights on. A-ok. New tires. It’s got 92k in it. Ive our 23k since I owned it. Now it’s liteally getting 12-14 in town and 16-20 on hwy(20 if I’m super lucky). The only thing I can think of is I had to have the modular in the fuel tank replaced(can’t remember the part name ) . It wouldn’t start after getting gas. That’s the only issue. Does anyone have any ideas on to what’s going on ? Have new tires as well.
 

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I think I found a MPG sweet spot

On a 150 mile trip I do every month, I would average 79mph on the highway, cruise control on, 91 degrees ambient temperature and with the A/C on #1. I would average betwen 38.0 and 39.5 mpg.

For the same trip this month, I tried averaging 77mph on the highway, cruise control on, the ambient temperature was 98 degrees and I had the A/C set to #1. My mileage was 41.5 mpg.

The last time it was this high (41.4mpg), the ambient temp was 65 degrees, cruise on, A/C off and average speed was 80 mph. I chalked it up to the weather and having the A/C off.

So, for next month, I will try the same conditions and compare my mileage. The ambient is expected to be in the mid to upper 90's. To make sure that it's not the gauge pulling my leg, I'm going to do a proper fill and refill to check the actual gas used. I'll let you know what I find.

FYI: under these conditions, the tach is pulling 2,500 rpms
 

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2016 Value Edion MPG

View attachment 55261 Taken a couple of weeks ago... Over the course of six days, mostly highway miles obviously. But still, I'm happy with my mileage :p This is no fluke, either, as my display currently reads 44.2 mpg avg. after 1/2 tank of fuel. It's been around 40 avg. all summer for me! Admittedly though, my grandpa thinks I drive like a grandpa... haha
I get 40 MGP going the sleed limit highway only.

get about 33MPG -34MPG Doing 75-85+

City Only driving with lost of acceleration and brakes all the time 18-20MPG.
 

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I'm a grandpa, what's wrong with that? 

I have no complaints with my mileage. Not only do I get great mileage, IMO, but I get it driving around town "in style!" 
 

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I'm a grandpa, what's wrong with that? 

I have no complaints with my mileage. Not only do I get great mileage, IMO, but I get it driving around town "in style!" 



Long as you get out of my way and stop blowing your horn at me, nothing (Some guy in a Nissan here kept blowing his horn at me...in the past week, I found he blows his horn at EVERYONE...)


BTW, I'm a grandpa myself...
 

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My mpg dropped from around 38 highway to 31 highway.
Checked the fluids and the coolant was empty in the reservoir and down a small amount in the radiator, but not enough to trigger the warning lights.
Filled up the radiator and the reservoir and it bounced back to 38mpg again.

Something to watch for.
 

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I’m averaging 35mpg with a 96 mile round trip daily commute that takes about 3 hours. (Bay Area California)
I’m happy with that..I could probably get over 40mpg if I fueled up and immediately hit the highway doing 65mph cruise control the whole time...but I’d also be getting blown off the road by literally everyone! (Including big rigs)
 

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I’m averaging 35mpg with a 96 mile round trip daily commute that takes about 3 hours. (Bay Area California)
I’m happy with that..I could probably get over 40mpg if I fueled up and immediately hit the highway doing 65mph cruise control the whole time...but I’d also be getting blown off the road by literally everyone! (Including big rigs)
Lol hahahaha. You are right I get average 33 mpg with similar distances too! However, it is being effected by technical failures which I don't recognize sometimes. I use https://motoreu.com/hyundai to compare it sometime. It helps a lot to find out some unexpected over consumptions! :)
 

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“I have no complaints with my mileage. Not only do I get great mileage” I agree with this statement, that last vehicle I drove was a 2001 Oldsmobile Bravada the mileage stunk rotten eggs, the 2016 Elantra I have now is a fuel savers dream I even pressed the eco mode button and I am still saving gas and money.
 

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My car now has 5,700 miles on it and I consistently am getting 30mpg no matter how much highway driving I do. It is either cold out or warm and I wind up at a drive through for 20 minutes and the MPG drops like a rock from idling.


Sadly, I had a Toyota Corolla a couple weeks back while the Elantra was in the shop. On a trip of 500 miles I averaged actual 38.5MPG in temps that never got above 17 degrees. The oil was past due to be changed according to the window sticker. The Totota also had far better acceleration and even highway acceleration. The Elantra lags when it comes to speeding up on the highway or needs to downshift. Not so with the Toyota. I also liked the radio features on the Toyota far better than the Elantra. Other than the engine and radio, I like the Elantra better in every other respect.

I've had a ton of Toyotas and they aren't as affected by cold weather as much as my Accent is.
 

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I guess I drive really agressive because I average 25 MPG all the time. Only 30+ if I do speed limit or constant speeds which is like never
You mean, there's a different way to drive???;)
 

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Only averaging 26-28 mixed driving, figuring it the manual way (the computer overestimates it) There must be better formulations in warmer climates, I figure.

I get into discussions with folks getting 32+ on the VUE V6 driving 80-85 MPH (didn't know that was even legal), yet I've never pulled over 25 MPG in mine on full Highway @ low/mid 60's MPH & no AC (Windows up). :confused:

What happened to 55 being the optimum fuel saving Highway Speed?
 

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In our effort to keep things concise, all posts concerning fuel mileage will be posted here. I apologize for the elimination of the other thread; it is archived for your reference (combined with steering wheel peeling thread).

To summarize what many of us have discovered in our discussions on fuel mileage:

Fuel mileage is a common complaint on this subforum, and can vary depending upon geographical location, outside temperature, wind speed, elevation changes, personal driving habits, type of road, etc. Many members claim that fuel quality also affects mpg.

The 40-mpg claim is a projection for freeway driving. Your overall tank average is that of all your driving, so unless you only drive gently on perfectly flat freeway, it will be HIGHLY unlikely that you will get a combined tank average of 40 mpg.

The read-out on your dashboard may not reflect perfect accuracy, so it is recommended that you still manually calculate your own fuel mileage if you prefer a more accurate readout.

Most of you seasoned members already know this, but for anyone new to the Elantra and/or to the forum, please post all your questions here before starting a new thread on the topic. Thanks a bunch! :D

I find it interesting to note that an early 2000s / late 99s Saturn with a 1.9L engine can get 35 - 40 MPG depending on if it's an automatic or a stick shift, and those automatics were 4 gears only. Now after Ethanol it was a few MPG less than that, but still. Is the Elantra just heavier? After checking, I see the 2000 Saturn SL2 has a curb weight of 2,399 lbs and the 2013 Elantra is between 2,661 and 2,701 lbs... does 300 pounds make all the difference? I'm pretty sure in my old Saturn I could have lugged a dozen 50-pound sand bags in the trunk without losing 10 MPG though...
 

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Many years back I used to own a BMW X3. I was on a highway trip one day, so I had the opportunity to pass a lot of mile markers. I reset my tripometer each time I'd pass a mile marker. I noticed that my odometer was reporting the completion of 1 mile long before I got to the next mile marker. I brought to the issue to the dealer and they didn't seem to care. So basically you get screwed out of your warranty way earlier because the vehicle is reporting more miles than it actually puts on. And a BMW is the LAST vehicle you ever want to be owning when the warranty ends. My friend's 740 had some measly transmission sensor that needed to be replaced. Just to get to that sensor costed him $3,000 in parts and labor. Another friend of mine owned an X5 that put on over 100,000 miles. The transmission went back and it cost $10,000 to replace since it was all wheel drive. It's so terrible how those people rape people. This makes Hyundai's much better alternatives. I used to own a Santa Fe (one of the very early ones.) Not once did I ever have to bring it back for anything to be fixed in several years.
 

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I reset my tripometer each time I'd pass a mile marker.
The proper way to do this is to reset once, then go by as many markers as possible, counting, then compare readings.
Resetting each mile is the equivalent of measuring a room one inch at a time.
You never diminish the initial error.
 

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I use mile markers along interstates over 50 miles or more, since that provides a much closer offset when measuring odometer error. And when tracking mileage, I stick to the right lane and keep lane changes to an absolute minimum, and no easy on / easy off stops, since all these add distance on the odometer while not being reflected in the mile marker distance.

Most people don't know their odometer is inaccurate - with some being considerably off. The law states the odometer cannot overreport (showing 101 miles after driving only 100) but doesn't set any standard for reporting too few miles. The most common fault in odometer over reporting is found among the [email protected] inadequate owners of slammed/stanced shizzleboxes with their tiny low profile wheel/tire combinations. Little wheels need more revolutions to cover a given distance, which the car logs as greater distance because the odometer is calibrated for its OEM wheel/tire combo.
 
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