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What MPG Highway is your Cruze getting ?

List your varibles.... Speed, transmission type, terrain, etc.....
 

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I don't drive the freeway very often. I have an auto trans. I get around 38mpg at 65 mph with the AC on and mostly flat roads. I get around 35mpg at 75mph with the AC on and mostly flat roads.
 

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When I did drive far on the highway I was getting 31-33 mpg. 2013 Cruze LT Auto. 1.4L Turbo. Most constant 70mph. I am getting 29 city but haven't driven far on the highway since replacing my spark plugs.
 

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I drive mostly highway, and average 38-41mpg with my 1LT automatic 1.4T. Highway for me though also includes lots of 45-60mph 2 lane back roads. Interstate speeds, 68-72mph I average 36mpg.
 

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Yup mid 30s for me with cruze control set @ 73mph in my '13 1LT automatic. Mileage increases by 10-20mpg when in construction zones going 50-55 tailgating.
 

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Moved to "Fuel Economy". OP asked for trim and transmission, making this not just a Diesel question.

2012 ECO MT - daily commute is predominately in 55 to 65 zones: 48 to 54 MPG. My car actually gets very close to the MotorTrend graph (top line)

40-MPG-comparison-constant-speed-chart.jpg
 

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Best I've observed was 56.7 mpg on Interstate 20. It was probably actually a little higher than that because I had to go through stop and go city traffic to get there.
Once I got on the Interstate I averaged about 60mph. Little hills. Nothing steep or long.

Eco M/T
 

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57 mph(Highway) = 56-60 mpg
69 mph(Interstate)= 48-52 mpg

2014 Diesel automatic
ALWAYS use cruise control
Mainly rolling hills on 90 mile commute
 

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I just registered 59.4 for my highest average for 50+ miles but I usually get 55 highway and 44 city. For the speed, I go with the traffic flow in Southern California. Doesn't seem to matter with A/C on or off. Incredible mileage.

2014 2.0TD with ProRacing chip.
 

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I'm with JB on this one. I have no patience to drive 62.27583754348573mph to get the absolute, best gas mileage as seen by manufacture specifications.

Seriously. 2014 Eco 6mt. I average about 38-42 on the highway. And if I'm driving below 72, there must be traffic in my way.
 

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Usually right around 40 MPG on trips (I drive 75-80 where possible).

If I slow down to like 60-65, I have no problem doing low-mid 40's.

No patience to do 55 anywhere. Ain't nobody got time for that.

2012 1LT 6M
 

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2014 Cruze Diesel, obviously automatic, 70 - 75 mph, fairly hilly terrain, 42 mpg on the two lane roads and usually closer to 50 mpg on the four lane roads. The slowing down, then passing and speeding back up really seems to hurt highway fuel economy.
 

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2014 Eco manual - 15k miles. Just drove from Michigan to Georgia going 75-80mph almost the entire way and AC 100% of the time, through mountains and all. We got just under 42mpg and we did some hooning around far past the speed limit lol.

This car gets such great mileage on the hwy it's stupid haha.

A long highway trip at 70mph usually nets me 45-47mpg depending on how hilly the terrain is.

This is all on 93octane and I'm trifecta tuned


Sent from AutoGuide.com Free App
 

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2014 Eco 6MT, 6.5K, I get around 46 mpg average. All I do is highway miles. If I drive around town for any reason I have a bicycle or a beater Ford for that.

Speeds vary from 55 to 65 - fairly flat terrain.
I always use cruise control, and use the accel/decel to change speeds. I usually drop it a few mph when going up hills and pick the speed up on the back side.
I rarely use A/C because my drive is usually in evenings.
I use 91 oct E10 mostly, sometime non-oxy on rare occasions
 
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