Jeep Garage  - Jeep Forum banner

2014 GC gas mileage 3.6L

Tags
2014
15K views 52 replies 37 participants last post by  bluegrassguitar 
#1 · (Edited)
After owning my Grand Cherokee Limited for almost two months I just wanted to get some feedback on gas mileage. I have a 2-wheel drive with the 3.6L. I am averaging city/hiway 21.4 mpg in eco. mode. After a week or so of just city driving I'm still averaging over 20 mpg. The furthest I've went so far on the hi-way was about 80 miles, consistent speed of 75 MPH and got 22 mpg. I have yet to get over 22 mpg and less then 20 mpg. I'm in the 20 to 22 mpg range no matter if it's city or hi-way driving. Just curious what everyone else is averaging.
 
#2 ·
I've only got 600 mi on my 14' 4x4 overland so it's still breaking in. The EVIC is saying 19~ with 50/50 mixed driving. I haven't had a chance to figure it out manually since I'm still on my first tank of gas that was topped off. When I'm crusing at 70mph I can get the instant gas mileage to hover around 25mpg. It will be interesting to take a road trip that's 100% highway to see how high I can get the gas mileage.
 
#3 ·
'14 Limited 4x4, non Quadra Lift, 2500 miles
Off the topof my head:

Highway ( almost 100% round trip) - 23/24, Highway speeds 70+
50/50 with eco on 21 ish
50/50 without eco on 19/20ish

...I guess, as advertised and happy with it.
 
#4 ·
2014 3.6L Limited 4x4, just broke 4000 miles
Assuming you are looking at EVIC readings I probably average 18/19 city and have seen it crest at around 23 on the highway a few times. It starts to trickle down if I am doing 75-80 mph on ~170 mile highway trips. I've had two of the three transmission updates performed just as an additional data point.
 
#5 ·
I have ~3,000 miles on my '14 V6 Limited 4x4 and I'm averaging 15.7 mpg with mostly city driving (manually calculated, not per EVIC). I'm in Los Angeles, so even the highways are a bit stop and go at times, plus I'm probably on the more aggressive end of the spectrum.

The longest trip I've taken so far was 150 miles each way, and I'm guessing I averaged ~21-22 mpg on that trip.

I've also noticed my mileage improving as I rack up more miles on the car. My average mpg is probably up 1 - 1.5 mpg since my first tank.
 
#6 ·
I've got 15k on my Overland. On average driving I'm getting 20, more if I'm on the highway, less if I'm in the city. I will say that since the last upgrade to the software, the transmission shifting has improved dramatically but the mileage has suffered.
 
#7 ·
Thanks for all the updates. Looks pretty much like we are all getting about the same mileage give or take. Was hoping to get up to 25 mpg hiway but I guess at 75 mph it ain't gonna happen.
 
#17 · (Edited)
I get 26 MPG easy at 65MPH, often get 28 MPG. I never get less than 20 MPG, even in the city.

It's dropped a couple MPG in the winter.

But I run my tires 40 Lbs cold (instead of recommended 36 Lbs). This helps quite a bit on MPG.

My guess is if I went 75MPH I'd drop about another 2 MPG.

Since you are 2WD, I think your goal might be in reach of 25MPG at 75 MPH.

I just started a thread on tire pressures. You might want to read it.

It is controversial, but I'm not talking about much. Been doing it for the last 5 years on 2 cars and I have only seen positive results.

With the TPMS system you can keep a good eye on pressures, which was not available a few years ago.

YMMV
 
#10 ·
11,000 on a Limited with ORA2.

20.65 mpg mixed city / hwy

On a 700 mile round trip at Thanksgiving highway mileage averaged 23.2 with heavy traffic

I have noticed the sweet spot for best mileage is between 46 - 49 mph

No transmission updates yet.

Cold weather is bringing down mpg.
 
#12 ·
I will be letting you guys know in February when I return from deployment how the 14' v6 4x4 does long mileage. I have to make the trip from Southern California to Norfolk, VA. It will be all highway but take in the fact it will have the RRO lift kit with 275/65/18 wheels on it so it won't be as accurate to those who don't have the lift.
 
#14 ·
With just under 9000 miles on my Limited, I avg just about 20mpg (even with me hammering on it for fire calls). On highway, it is around 23-24mpg, city around 15-16. Now that winter is here, I know it will take a hit but it is still better than my 08 TB I had.
 
#15 ·
City around 15-16, I would think you'd get a little better. I guess when you say city you mean heavy stop and go traffic. City driving for me is 40 - 45 mph and stopping regularly for traffic lights.
 
#18 ·
I've got a 2011 Hemi Grand, and long round-trip highway runs I never see under 22mpg at 65mph cruise speeds. My 2012 Wrangler with the Penta/5spd can do 24mpg all day at ~65mpg and that's quite the brick to push. These figures are with no headwinds, cruise control on and light traffic. I'd expect the Penta Grands to easily get 25-26mpg highway under the same condition. Without cruise control my mileage drops a few points.
 
#19 ·
8,500 miles on my '14 Overland V6. Averaging about 15.5mpg city. And city is pretty much all I do. I hit the freeway maybe once every two weeks.
 
#22 ·
I don't have a ton of data yet, only 750 miles on my '14 Limited. Around town and my normal commute, I'm averaging about 18-19. Took a trip from Clev to Columbus and back with the Jeep loaded up with 2 co-workers and all our gear, plus work stuff, and averaged 22.5 with the cruise set to 73-74. That stretch down 71 has plenty of little up/down hills, so it's not exactly flat.
Plus, being cold and snowy, I've used the remote start several times at work (lunch and leaving). So that's not helping my mpg's.

I had a 2003 Liberty prior to this, and it averaged about 16-17 around town, and would see 19-20 on the highway.
 
#23 ·
Have a 2014 Laredo getting about the same gas mileage as you guys seem to be getting, however, I have been turning the eco mode off. I can't stand how awful the car drives with it on. It is so laggy and the transmission is very clicky or snappy with it on, it is not smooth transitions between shifts. Turning Eco Mode off and turning traction control off makes it much more nicer and smoother to drive
 
#29 ·
I'm at around 4500 miles on my 3.6L 4x4. The winter gas mix with a bit wider tires, same overall diameter, has bumped the mileage down to around 15.5 mpg, 95% city driving.

Hurts coming from a smaller coupe, but I'm not complaining too much. :rolleyes:
 
#30 ·
A mileage update. Took my first longer ride from KY to Detroit and back. Got 23.8 mpg running at about 73-75 mph going up. Coming back 20.5 with wife driving and headwind. All hand calculated since my GC evic adds about .9 mpg.

One heck of a lot better ride than my (former) Caliber or Ram 2500.
 
#34 ·
Update on my fuel mileage:
I just rolled through 1900mi and I've put 4 full tanks of gas through.

V6 4x4 20" wheels @ 40psi

1st 17.7mpg
2nd 17.63mpg
3rd 18.4mpg
4th 18.0mpg

EVIC has been hovering around 19.2-19.4mpg. I'd say I'm probably around 50/50 hwy/city. My last tank was 80/20 towing a small trailer with an ATV.

So far not really impressed with the gas mileage. I'm almost wishing I would've gotten the V8. I'm guessing it should improve with milage.
 
#35 ·
I'm in the exact same boat. I just hit 2,000 miles on my '14 Summit and have the exact same fuel economy numbers. I'll always wonder just how much more fuel economy I'd get from the 6 vs the 8. The low end "grunt" of the v8 is the best
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top