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Hyundai Elantra Real World MPG 2012

745 messages,  Last post on May 18, 2013 at 10:29 AM

You are in the Hyundai Elantra Forum.

What is this discussion about? Hyundai Elantra, Fuel Efficiency (MPG), Hatchback, Sedan

Messages Page 58 of 76

#564 of 745 Re: POOR GAS MILAGE 2012 ELANTRA [kate007124] by camaroman2012

Jun 25, 2012 (12:19 pm)

Replying to: kate007124 (Nov 15, 2011 1:05 pm)
Kate, I agree totally. I was averaging about 25mpg, now I'm averaging about 22mpg. I finally got the dealership to take a look at it (even though no check engine light was on) and they stated that it was missing (I believe on all four cylinders as there were four separate codes, all in series). They did a fuel test and stated that I had 15% alcohol in the tank and that this was an issue with contaminated fuel and would not be covered under warranty. Well, after doing some research, it looks like about 90-95% of all gas has 10% ethanol standard. By the way, 10% ethanol equates to about a 7-8% loss in fuel economy(FE). It's hard to find a station that sells ethanol free. No gas stations near me that sell ethanol free. The nearest is just over 100 miles. So, after a bit more research, we are already suppose to be at 15% ethanol and after talking with the gas stations themselves, they stated that they were already suppose to be selling 15% ethanol mixed fuel. I requested that they get a report so that I can verify that they indeed are at 15%, which is what the EPA is pushing for. So, we will see if Hyundai still tries to pull this bull of not honoring the warranty. Either they don't know why its missing and are incompetent and trying to make stuff up, or they do know why its missing and don't want to honor the warranty and so are being snakes in the grass, either way, they have lost my business. I'll drive two hours to the next major town to get my work done by a reputable dealership.

#565 of 745 Re: POOR GAS MILAGE 2012 ELANTRA [camaroman2012] by backy

Jun 25, 2012 (1:56 pm)

Replying to: camaroman2012 (Jun 25, 2012 12:19 pm)
These are for the 2008 Elantra, different engine, but still interesting I think in light of your post re ethanol content:
 
http://www.hyundaiproblems.com/investigations/Elantra/2008/
 
And this more general comment re ethanol-laced gas and Hyundais:
 
http://wiki.answers.com/Q/Can_ethanol_fuel_be_used_in_2002_Hyundai_elantra
 
What does your car's owner's manual say about ethanol content in the gas? Does it say 15 percent ethanol (E15) is OK? If so, you should show that page to your dealer. There's a lot of buzz on the Internet about whether E15 can be used with all newer cars, even though the EPA has given it its blessing. However, pumps that dispense E15 are supposed to be clearly labeled as such, as it is not supposed to be used on any pre-2001 vehicles.
 
And since YOUR car seems to have been affected adversely by E15, I wonder if that can explain at least some of the other cases where owners are dissatisfied with the FE on their Elantras?

#566 of 745 Re: Lets get to the point [eweiner] by bpizzuti

Jun 25, 2012 (1:57 pm)

Replying to: eweiner (Jun 25, 2012 10:47 am)
I drive 95% highway. So guess what? I care. But I also know how much difference in FE 5 MPH can make, and how some people (not making any accusations or implications) like to wave off the fact that their "highway" driving might be at 80 MPH as they wonder why they're not getting the MPGs the EPA got on their 65 MPH "highway" test. It's important to keep in mind. And whether you care about "point in time" or not, a "point in time" where you do 85 MPH will reduce your average MPG.

#567 of 745 Re: POOR GAS MILAGE 2012 ELANTRA [camaroman2012] by gman4911

Jun 25, 2012 (4:13 pm)

Replying to: camaroman2012 (Jun 25, 2012 12:19 pm)
The Elantra owner's manual warns not to use gas containing more than 10% ethanol and states that the warranty may not cover any damage caused by using it.

#568 of 745 Re: POOR GAS MILAGE 2012 ELANTRA [gman4911] by m6user

Jun 25, 2012 (5:11 pm)

Replying to: gman4911 (Jun 25, 2012 4:13 pm)
So much for E15 not harming anything built after 2001.

#569 of 745 Re: POOR GAS MILAGE 2012 ELANTRA [m6user] by backy

Jun 25, 2012 (6:46 pm)

Replying to: m6user (Jun 25, 2012 5:11 pm)
That's common knowledge. The 2001 cutoff means, don't EVER EVER put E15 in a pre-2001 car. Newer cars... check with the manufacturer. E15 is so new only the newest cars will mention it in the owner's manual. If the manual says something about E10 being OK, don't assume E15 is also.

#570 of 745 Re: POOR GAS MILAGE 2012 ELANTRA [backy] by m6user

Jun 25, 2012 (8:21 pm)

Replying to: backy (Jun 25, 2012 6:46 pm)
That's common knowledge.
 
Common for who? From what I've read previously I thought it was OK to use the E15 in post 2001 vehicles. I think I stay up on auto industry news pretty well so I have to believe the average person doesn't have a clue.

#571 of 745 Re: POOR GAS MILAGE 2012 ELANTRA [m6user] by backy

Jun 26, 2012 (8:43 am)

Replying to: m6user (Jun 25, 2012 8:21 pm)
From what I've read previously I thought it was OK to use the E15 in post 2001 vehicles.
 
Just do a google on "E15 gasoline" and you'll get several hits about the controversy on whether E15 is safe for post-2001 vehicles. I just did it (again) and the first hit was pretty good:
 
http://www.startribune.com/local/149444025.html

#572 of 745 Thought I would check in here by mikewallace1

Jun 28, 2012 (1:54 pm)

Our 2012 limited is coming up on 6,000 miles.
 
We avg about 26 mph overall but much of our driving is non highway.
 
On the rare occasion that I do take a trip I can get 36-40 on the highway. I have just resigned to the fact that 26 is tops based on how we drive our car.
 
I would love to avg 33 but that is just not realistic.

#573 of 745 Data (Re: Thought I would check in here) [mikewallace1] by g2iowa

Jun 29, 2012 (6:15 am)

Replying to: mikewallace1 (Jun 28, 2012 1:54 pm)
Since you've been tracking the FE for your Elantra, what were your actual results for some of your most recent tankfuls of gas? Say the last 2 or 3 tankfuls?
 
- What was the average MPH for the tank?
- How many miles did you drive for the tankful?
- How many gals of gas did you pump into your tank for the tankful?
- Are you using ethanol?
- Do you do a lot of stop and go city driving?
- How many drivers are there for your car and are they driving similarly?
- Are you routinely carrying passengers while doing city driving?
- Are you routinely using A/C while doing city driving?
- How did your car's computer MPG estimate compare to what you came up with based on actual miles driven and actual gals used?

Messages Page 58 of 76

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