My last Sonic Lt was a 2013 with the 1.4l turbo and it got 39 mpg. Sadly about a month ago I hit a deer and totaled it. I bought another 2013 Sonic with the 1.4l turbo with 14,000 miles on it but it only gets 28 mpg. Its in great shape and was owned by an older lady that rarely drove it and kept it in the garage. I had it scanned and it's not showing any fault codes. Is there something that I can do to improve the mpg or is this something that is still covered by the drive train warranty? Thanks!

 

Hello,
Got one recently for my wife and she keeps complaining that she's been filling up gas quite often now, much more than our Yaris. Am assuming that there is something going on here.

I did get a Chevy Certified-PreOwned and would like to take it to the dealership for them to take a look. Is there anything in particular that I should ask them to look at?

 

It's probably because its a smaller car & has a smaller gas tank...

thats why i traded my Chevy Cobalt, tank was too tiny...

 

Smaller tank than the one in Toyota Yaris

 

yeah
that would be my guess...
I got a new Cruze this year;
i had a Cobalt, & had to keep filling it
because the tank was smaller,
not cause of gas mileage

 

maybe a fuel blockage?
(maybe she is just hinting that Santa should bring her a new one haha!)

 

I'm afraid you don't seem to be correct here.

Sonic - 12.2 gallons
Yaris - 11.1 gallons

So Yaris has a smaller tank and gave much better mileage.

 

We just got this one. Perhaps you missed that fact from the OP.

 

you can't really compare the Yaris with the Sonic
but really, it could be a number of reasons...
mines in metric,
but my new Cruze is getting 36mpg

maybe it's the weather too