Elantra gt gas mileage

Slazman999 · 11-27-2012, 04:27 PM

When I got this car in October my trip meter said 30.9mpg and stayed like that for about a month and it has dropped to 29.5mpg and is staying there. I have not changed my driving style at all. I slowly accelerate and decelerate, use cruise control almost always and drive on roads that are 40-55 mph. Could it be my trip meter or am I just a crappy driver?

cramam · 11-27-2012, 04:37 PM

Several possible explanations. You don't say where you live but a change in temp with the season will affect mileage. I just had my low tire pressure light come on with a cold snap and sure enough all 4 tires were down about 4 lbs. Also, regions switch to reformulated winter gas which generally produces lower mileage.

Slazman999 · 11-27-2012, 04:41 PM

4lbs of air can drop your gas mileage that much?

GT155 · 11-27-2012, 04:56 PM

Quote:

Originally Posted by Slazman999

When I got this car in October my trip meter said 30.9mpg and stayed like that for about a month and it has dropped to 29.5mpg and is staying there. I have not changed my driving style at all. I slowly accelerate and decelerate, use cruise control almost always and drive on roads that are 40-55 mph. Could it be my trip meter or am I just a crappy driver?

Did you try resetting the tripometer back to zero? Hold in the reset button on the right side of the steering wheel for a few seconds and it should reset. I reset mine whenever I get gas.

cramam · 11-27-2012, 05:40 PM

Again, I am suggesting a combo of factors. However, 4 lbs. of air pressure was enough to cause my low pressure light to come on. Also, you are only talking a 4% reduction in mileage. This isn't a particularly large deviation.

talkingrat · 11-27-2012, 05:56 PM

DOE estimates 0.4% MPG loss per 1 PSI on all four tires, and 3-4% for 10% ethanol winter fuel. Winter tires take their toll on MPG, too. On my old car, winter tires + winter fuel drops MPG by 10% on freeway, less around town.

markjenn · 11-27-2012, 08:06 PM

Unless you have a lot of steady freeway cruising at moderate speeds (less than 70 mph or so), you'll have great difficulty getting mileage above 30, even if you're very gentle with the throttle.

29.5 is better than a lot (most) of us are doing. It's certainly better than I'm doing. Keep in mind that the EPA ratings for this car are now 27/37, so 30 is not out of line at all.

- Mark

GT155 · 11-27-2012, 09:21 PM

This is my best so far.

TurboLed · 11-27-2012, 09:38 PM

Taking a picture while cruising at 60 MPH... No comments :P

LeMeez · 11-27-2012, 09:49 PM

Quote:

Originally Posted by TurboLed

Taking a picture while cruising at 60 MPH... No comments :P

That's why it is out of focus and blurry.

11-27-2012, 04:27 PM	#1 (permalink)
Slazman999 Junior Member Join Date: Nov 2012 Location: United States Drives elantra gt Posts: 3	Elantra gt gas mileage When I got this car in October my trip meter said 30.9mpg and stayed like that for about a month and it has dropped to 29.5mpg and is staying there. I have not changed my driving style at all. I slowly accelerate and decelerate, use cruise control almost always and drive on roads that are 40-55 mph. Could it be my trip meter or am I just a crappy driver?

11-27-2012, 04:37 PM	#2 (permalink)
cramam Junior Member Join Date: Sep 2012 Location: louisville , KY Drives Elantra GT Posts: 7	Several possible explanations. You don't say where you live but a change in temp with the season will affect mileage. I just had my low tire pressure light come on with a cold snap and sure enough all 4 tires were down about 4 lbs. Also, regions switch to reformulated winter gas which generally produces lower mileage.

11-27-2012, 04:41 PM	#3 (permalink)
Slazman999 Junior Member Join Date: Nov 2012 Location: United States Drives elantra gt Posts: 3	4lbs of air can drop your gas mileage that much?

11-27-2012, 05:40 PM	#5 (permalink)
cramam Junior Member Join Date: Sep 2012 Location: louisville , KY Drives Elantra GT Posts: 7	Again, I am suggesting a combo of factors. However, 4 lbs. of air pressure was enough to cause my low pressure light to come on. Also, you are only talking a 4% reduction in mileage. This isn't a particularly large deviation.

11-27-2012, 05:56 PM	#6 (permalink)
talkingrat Senior Member Join Date: Oct 2012 Location: Portland OR 2013 Elantra GT A/T - PZEV, Touch & Go, Titanium Gray Posts: 239	DOE estimates 0.4% MPG loss per 1 PSI on all four tires, and 3-4% for 10% ethanol winter fuel. Winter tires take their toll on MPG, too. On my old car, winter tires + winter fuel drops MPG by 10% on freeway, less around town.

11-27-2012, 08:06 PM	#7 (permalink)
markjenn Senior Member Join Date: Jul 2012 Location: Bellvue, WA Elantra GT Posts: 505	Unless you have a lot of steady freeway cruising at moderate speeds (less than 70 mph or so), you'll have great difficulty getting mileage above 30, even if you're very gentle with the throttle. 29.5 is better than a lot (most) of us are doing. It's certainly better than I'm doing. Keep in mind that the EPA ratings for this car are now 27/37, so 30 is not out of line at all. - Mark

11-27-2012, 09:38 PM	#9 (permalink)
TurboLed Senior Member Join Date: Aug 2012 Location: Montreal,Quebec,Canada Drives Elantra GT GL 2013 Posts: 931	Taking a picture while cruising at 60 MPH... No comments :P

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