2016 Cruze 1.4 LT horrible on gas

10

Asked by Frumkins Aug 14, 2016 at 10:30 AM about the 2016 Chevrolet Cruze LT Sedan FWD

Question type: General

So I bought my 2016 Cruze last month and it just
broke 1,000miles. Recently id say within the past
two weeks Ive noticed the vehicle has only been
averaging 17.7mpg. That is combined highway and
city. I'm not a leadfoot so I honestly dont know why
it is so bad on gas. My 2002 Trailblazer averaged
14.9mpg and that weighed over 2x as much as the
vehicle and was a 4.2L 6cyl. Anyway what do you
all average in your 2016 cruzes. If this isnt normal
what could be causing it.

13 Answers

41,755

If the turbos boosting at all it kills mileage 1.4 tiny engine needs a turbo to move the vehicle. Still it should hit 30 mpg have the dealer check it (fuel trim ST & LT real time) out make sure all controls were plugged in when it was built. No modern vehicles Don't need break in time.

5 people found this helpful.
40

There is going to be a break in period. Be patient.

4 people found this helpful.
10

Okay it just worries me, first brand new car. How long would you say the break in period last?

1 people found this helpful.
157,115

I have never had a vehicle get noticeably better mileage after the break-in period, never. This includes probably 2 dozen new vehicles over many years. Take it back to the dealer cause it sounds like something is wrong with it and it is still under warranty.

6 people found this helpful.
40

My 2011 Cruze 1.4 auto never get's past 30 mpg even all highway. Just the nature of the beast. Heavy car small turbo engine. Do any city at all MPG will crash because turbo kicks in a lot with stop and go. Make sure plug gaps correct, some claim GM is pretty flaky about all plugs having same gaps. Tire pressure needs to be above GM recommended. 30 psi for ride and comfort, Eco models runs at 36 or better. Probably where all Cruze should run or close. Still, all small turbos have the same disappointing MPG's with a heavier vehicle. They just work too hard to save fuel. Unless you drive like granny, you'll never see MPG ratings.

3 people found this helpful.
270

My 2012 cruze with the 1.4 gets between 42 amd 48mpg highway...

5 people found this helpful.
20

The cruze and other small engines get poorer mileage in winter cold than summer heat. Still with my cruze I get about 24 miles per gallon in the winter and 32 miles per gallon approximately in the summer.

2 people found this helpful.
370

I get about 45ish mpg.... granted I drove like grandma on her way to church... And also run the "top notch" premium fuel (never run regular fuel in a boosted engine)

3 people found this helpful.
30

Can somebody help me out my 2017 Cruze 53000 mile I have to fill up the gas three times a week now just to go to work 43 miles away

3 people found this helpful.
30

I would definitely have the dealer check it out. My 2017 1.4L Cruze is averaging 38.6 Commuting 80 miles a day on west coast gas. As mentioned NEVER use cheap gas with a turbo car. the computer will pull timing and or add fuel

3 people found this helpful.
30

Also may have to check coil pack also if it isn’t firing right may need throttle body adjustment a lot of things could be at play here go get a diagnostics on it

2 people found this helpful.

I got a 2017 Cruze LT, 6sp manual. im getting 30-35mpg in town and 45-48mpg on the hwy. but I'm also using shell v-power premium gas and amsoil p.i gas additive.

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