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Challenger SRT Hellcat
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516 Posts
Discussion Starter · #1 ·
Well for some gas mileage for a Hellcat may be a dirty word. My Hellcat is my daily driver rain or shine and I was surprised to see an eco button on it.

Well I can say hwy cruising at 100 KM/H or 60 Mp/H I'm averaging 9 L/100 or 26 MPG which is awesome for the kind of power this car lays down.

Yes when I do floor it I may only get 8 MPG but hey you need to have fun some of the time!

My combined mileage city/Hwy I'm averaging 13.2 L/100 or 17.8 MPG

For those of you that don't want to admit it, its still nice to have the best of both worlds. A world class muscle car and pretty decent gas mileage for a long trek!
 

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Charger SRT Hellcat
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203 Posts
Excellent--I was curious what the 'real world' feedback on mileage would be. As long as you don't have a Lead foot, combined 17.8mpg and 707hp from a 4400lb+ vehicle = some world class engineering.

You're going GREEN on us CD NHellcat! Al Gore eat your heart out LOL
 

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Charger SRT Hellcat
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546 Posts
I have a 2010 Tacoma 4x4 DoubleCab and I average about 17-18 but it's not nearly as fun to drive. Granted, it's an entirely different vehicle with a different purpose, but 700+ HP getting that kind of mileage is just fantastic IMO.
 

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Grand Cherokee Trackhawk
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1,169 Posts
When I get mine, I'll be using 3.78L/US gallon. I never work with the other gallon.
 

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Challenger SRT Hellcat
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136 Posts
Hmmmmmm...eco button. I thought they were teasing us. I have not used it and it is my daily driver. I average around 17mpg right now. May try the eco button this week to see if I can raise that a little but I like gear heading it a bit! LOL!!!!
 

· Have Guns Will Travel
2019 Challenger SRT Hellcat Redeye - 2015 Challenger Hellcat
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6,654 Posts
Hmmmmmm...eco button. I thought they were teasing us. I have not used it and it is my daily driver. I average around 17mpg right now. May try the eco button this week to see if I can raise that a little but I like gear heading it a bit! LOL!!!!
Same here in the desert of the Southwest. Average 17.4 mpg but, why are we having a conversation about MPG for the most powerful production muscle car ever.:D
 

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Challenger SRT Hellcat
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1,279 Posts
If this car can produce over 707 h.p with a red fob & get 26 miles to the U.S. gallon by hitting the green button. I for one am impressed! Won't be my daily driver, but I do plan a couple of trips when & if it shows. It will be nice to plan the trips around landmarks & not gas stations...
 

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Challenger SRT Hellcat
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12,103 Posts
Well for some gas mileage for a Hellcat may be a dirty word. My Hellcat is my daily driver rain or shine and I was surprised to see an eco button on it.

Well I can say hwy cruising at 100 KM/H or 60 Mp/H I'm averaging 9 L/100 or 26 MPG which is awesome for the kind of power this car lays down.

Yes when I do floor it I may only get 8 MPG but hey you need to have fun some of the time!

My combined mileage city/Hwy I'm averaging 13.2 L/100 or 17.8 MPG

For those of you that don't want to admit it, its still nice to have the best of both worlds. A world class muscle car and pretty decent gas mileage for a long trek!
Yeah I typically get 13-14mpg nowadays. On highway about 16-18mpg
 

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Challenger SRT Hellcat
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466 Posts
I just got back from an 800 mile round trip highway cruise over the weekend, used eco -mode and had a 22.2 mpg avg.

I did not think it was that doggy at all at 70 - 80mph with a few passes thrown in. It can get better mileage than any of my other vehicles... just freaking awesome I think!:)
 

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Challenger SRT Hellcat
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1,536 Posts
Mixed city and highway I average anywhere from 16-20 mpg depending on how much I get on it (current take is averaging 19.5). If I'm all highway, cruising at 70, I can get anywhere from 22-28 depending on how much I stop cruising. :D Around town only in the Charger (caren's commute) it's more like 10-12 with lots of stop and go.

Both Hellcats only have K&N filter installed.
 

· Comfortably Numb
Challenger SRT Hellcat
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3,523 Posts
I average about 21 with the manual.. all rural country roads or open highway. I did a little city driving last week and bumper to bumper stop n go had me down to 18 quickly.. I can imagine how bad it would be on a daily basis.

Land vehicle Vehicle Car Gauge Speedometer
 

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Challenger SRT Hellcat
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2,781 Posts
I've rarely seen anything more than 14/15 mpg for a tank (combined city and highway). I've been throwing it on ECO for the HOV 70 mph cruising but as soon as I get into town, it's back on sport trans (I just love how it downshifts in that mode). Then at red lights I might have a rev or 2 (or 8) lol. It's fun to the rev the engine and watch the estimated miles left on the tank drop without moving. I freaking love this car!!!
 

· Premium Member
Challenger SRT Redeye
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9,277 Posts
Mine is averaging over 19 mpg over its 2200 mile life. BUT, it has spent more than half of that mileage as "highway". It gets 22-23+ on the highway depending on the cruising speed.

I will say you can't determine and it is not worth talking about the mileage as soon as the right foot becomes active because all gas mileage talk does not apply at a 1.5 gal/min WOT consumption rate!

Oh and ECO seems to be a great way to tame the beast to blend in among other normal cars in city traffic, with PLENTY of power remaining to pass and get around. A return to beast mode is two button presses away. Yes 700+ HP and we are talking about gas mileage? What a great engineering and final product we own!
 

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Challenger SRT Hellcat
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1,002 Posts
I drove my car back from Chicago to Washington state and averaged 22-24 mpg traveling at or about the speed limit with cruise engaged.
 
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