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Raj174 05-13-2018 01:54 PM

Hello Ecomodders
Recently bought a Hyundai Elantra Eco and was looking for info on how to improve MPG through better driving techniques. It looks like I found the place.

MetroMPG 05-13-2018 05:36 PM

Welcome Raj174! You found us.

How new is the car to you? Have you got baseline results for it yet?

Definitely the first step is to start tracking your MPG so you can monitor your progress.

Raj174 05-13-2018 07:02 PM

The car is brand new. Bought it on April 25th. I'm on my second tank of gas. I got 39.12 mpg (actual) on the first tank, 80% city driving. Not sure if that is the baseline you mentioned.
I try to time the stop lights, but they seem to conspire against me. I coast when I can, but try not to be a nuisance to other drivers. I'm sure I have a lot to learn about ecomodding.

MetroMPG 05-13-2018 07:10 PM

How close was actual to the car's MPG gauge? Is the factory gauge useful? How many (instant/trip)?

Baseline... I just meant what you were getting before you got serious, but it sounds like you're already serious. Keep a fuel log here or somewhere so you can watch your progress.

39 is great, especially for a brand new car. It'll improve as the car breaks in, all else being equal.

Does it have a "manual" shift mode? Sometimes you can manually upshift before the programming will.

California98Civic 05-13-2018 07:59 PM

I love these cars. At 60 mph I bet your RPMs are down at 1900 or so, no? Hyundai has become a great global automaker.

Raj174 05-13-2018 08:48 PM

The factory guage was very close, less than 1 mpg above actual.

Yes, I am serious about mpg efficiency, I bought a new Toyota Prius in 2008 and drove it till I traded it in on the Elantra. It got great mpg, 52 average here in Tallahassee. However, it had a few mechanical problems that I had repaired so I decided not to push my luck by keeping it.

I know how to drive the prius to get the best mpg, but the Elantra is a completely different type drive train. The prius thrives in stop and go traffic, the Elantra does not. The Elantra likes a steady even speed, from 15 to 60 mph. As long it is a steady speed it will be getting over 50 mpg. I'm sure it is because the 1.4 turbo GDI is so efficient.

It does have a dual clutch 7 speed transmission with manual shift, but I really don't know the proper time to shift to improve mpg.

By the way, thanks for the pointers.

Raj174 05-13-2018 08:57 PM


Originally Posted by California98Civic (Post 569566)
I love these cars. At 60 mph I bet your RPMs are down at 1900 or so, no? Hyundai has become a great global automaker.

Yes, very close to 1900 from what I can recall. I agree, they have become a quality company and it shows in their vehicles. I think they are nearing Toyota and Honda quality. That is why I thought the Elantra Eco would be a good choice.

mpg_numbers_guy 05-13-2018 10:07 PM

Welcome to Ecomodder! Be sure to check out 100+ Hypermiling Tips and 65+ Efficiency Mods for some inspiration and ideas! :)

Effic1ent1 06-28-2018 06:14 PM

Pump up the tires psi. :)

California98Civic 06-28-2018 10:10 PM

According to Jalopnik, Hyundai claims a drag coefficient of 0.27 on your car. Nice low number.

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