CHATROOM: MPG 1st & 2nd Gen

[philipp2]

I am on my second tank (just starting the third) and with a mixed urban/freeway/cold weather, and 303.8 miles showing on the trip odometer (600 total miles) , I filled up with 12.5 gallons, averaging 24.3 mpg. The computer usually indicates around 25 mpg. This certainly beats my older 2010 Rogue.

[ricbrk]

2013 Rogue, we were getting a consistent 25.4 mpg until the first oil change at the dealer at 3,200 miles, "three months". Since then it's gone downhill to around 20 mpg. The engine is real loud also on passing or pull up a grade. I was blaming it on the oil change, but on a weekend trip, we stopped at a dealer in Canada to have a tech listen to the motor. He said the engine is fine, it's the CVT transmission allowing the engine to rev high whenever you accelerate or climb a grade. This could also account for the decrease in mpg. It goes in for oil change #2 Jan. 9th, currently has 5,890 miles. I will tell them about the situation. Hopefully they played with something on the first oil change that caused this, although the CVT is developing a vibration that goes away if you accelerate or slow down ?

[sprocket]

2013 Rogue, we were getting a consistent 25.4 mpg until the first oil change at the dealer at 3,200 miles, "three months". Since then it's gone downhill to around 20 mpg. The engine is real loud also on passing or pull up a grade. I was blaming it on the oil change, but on a weekend trip, we stopped at a dealer in Canada to have a tech listen to the motor. He said the engine is fine, it's the CVT transmission allowing the engine to rev high whenever you accelerate or climb a grade. This could also account for the decrease in mpg. It goes in for oil change #2 Jan. 9th, currently has 5,890 miles. I will tell them about the situation. Hopefully they played with something on the first oil change that caused this, although the CVT is developing a vibration that goes away if you accelerate or slow down ?

rickbrk,I noticed your location says Canada, so I'm assuming you have hit winter now?
Winter driving reduces fuel economy due to the lower temps, switch to winter "blend" gas, etc.
If you haven't checked your tire pressure, the cold weather has resulted in drop of pressure (approx 1 PSI for every 10F).
It takes longer for the engine/transmission to warm up, it sounds louder and revs/drops differently when cold vs warm.

Personally, I've seen about a 3-4mpg drop on average over the past winter months compared to summer/fall months.
Here's the fuel economy chart on my 2013 Rogue AWD:
http://www.fuelly.com/driver/rendang/rogue-2/fuelchart

[slimsol]

Lets track our gas mileage and built some statistics here. I drove about 70 miles since i got the car yesterday but still the fuel level is at full. A very good sign for me since I am coming from world of v8 guzzlers

[DTASFAB]

If 2014 is like previous generations, the gauge stays at full until you've driven 100 miles. Then it goes down quickly. Realistically, you should get 24-27mpg overall in the winter and do a little better in the summer, depending on how heavy your foot is and the percentage of highway/city driving.

[slimsol]

So 33/26 mpg numbers are out of reach?

[Rogue One]

So 33/26 mpg numbers are out of reach?

Out of reach, no. Typical, probably not so much. But the results will be very interesting, nonetheless.

[DTASFAB]

I can tell you the 22/27 estimates on the sticker of my 2013 Rogue are out of reach in the winter. I've been driving like a 103 year old woman and I'm getting around 23-25 right now, almost exclusively on the highway. When it was warmer, I could get a solid 27-28 when I tried.

[JLD94]

My fuelly average right now is 29.3 for 7 tanks so far I think. I missed adding a tank in there somewhere though. Best tank so far 30.5. I have a easy drive of about 28 miles one way to work. On that drive there are mostly slight hills here and there, I'll go for about 5-8 miles and then have a light or stop sign, then another 5-8 miles and a light or soemthing, exc. Average speed is probably around 50-55mph.

One thing I notice is the cold seems to affect the MPG by quite a bit on the mornings. At least that's the only thing I can think of, why it's so different on the way home compared to on the way to work.

Again each trip is about 28 miles. According to the mpg report when I turn the key off it pretty consistantly shows
27-28 mpg in the morning on the way to work
35-36 mpg in the evening on the way back home
mix in more city driving on the weekend, and so far I'm getting 29-30 mpg per tank.

[Mchugh56]

Just purchased 2014 SV Rogue on Saturday, 1/18. I love it! My only complaint so far is the gas mileage. Only averaging 22 mpg and most of the driving is done on highway. I was reading some posts about cold weather and reduces gas mileage. I live in the NE, and it is 0-10 degrees out lately so hopefully that is the reason for the poor mileage, but I expected better. For the people who are posting 28-30 where do you live? Warmer climate?

[1019throw]

I live in PA, and have owned my rogue for about 11 days. I've driven about 230 miles (only 70 highway) and I am right around a 1/4 tank left. So far, it seems pretty strong since it is colder here than it has been in years. I will also be using the Fuelly app to track my mpg, as I haven't filled my tank yet. I will be posting back soon with updates.

[slimsol]

Just purchased 2014 SV Rogue on Saturday, 1/18. I love it! My only complaint so far is the gas mileage. Only averaging 22 mpg and most of the driving is done on highway. I was reading some posts about cold weather and reduces gas mileage. I live in the NE, and it is 0-10 degrees out lately so hopefully that is the reason for the poor mileage, but I expected better. For the people who are posting 28-30 where do you live? Warmer climate?

I drove about 300 miles on full tank and fuel light hadnt came on yet. How many tanks of gas have you used so far?

[Mchugh56]

It was down to a 1/4 tank yesterday so I filled it up...I am guessing maybe I shouldn't have done that? Do I need to let it get down to where the fuel light comes on? What then? Thanks for any help provided.

The person from PA what are you averaging so far?

[JLD94]

I live in Texas, so by no means it is nearly as cold as other places. We have been in the 20's for low so far this winter. But it's the main reason I can come up with for the big difference from going to work vs coming home. Normally not to much extra wind, this morning there was more wind than normal, I still can't imagine such small amount of wind on most days affect it so much.

One side note, before my Rogue came in I had an altima as a loaner, andwas suprised I could not get the MPG to move past 29. When I got the Rogue in, I read how to reset the MPG trip.... and not just the mile counter. So you might need to check it out and reset that.

Still very stead... 27-28 on way to work 35-36 on the way home. My best trip home has been 38.3 I guess I hit all the lights right that day.

Another thing I have found is that the mpg computer seems to be anywhere from .5-1.0 mpg optimistic

[DTASFAB]

Mine is more like 1.0-1.2 mpg optimistic.

[1019throw]

It was down to a 1/4 tank yesterday so I filled it up...I am guessing maybe I shouldn't have done that? Do I need to let it get down to where the fuel light comes on? What then? Thanks for any help provided.

The person from PA what are you averaging so far?

I haven't filled yet, maybe tomorrow. Quick estimate puts me at probably between 20-22mpg, which was about 70% city stop and go driving. You should definitely be getting better highway millage.

Download the fuelly app to track your mpg.

[sprocket]

+1 for fuelly.

No more writing down stuff and updating later (or forgetting to do so), using apps on the phone and forgetting to back up and losing data.

I have my fuelly account set up to accept entries by text message (aka SMS) so that I can update on the fly and not write details down and forget to update later.

Instructions: http://www.fuelly.com/faq/22/fuelup-via-SMS

[Von-T]

I've had my '14 SL since 12/28 and I'm averaging 13.6 mpg - all city driving. I know cold weather and driving through snow affects mileage, but should it affect it this much? It's all residential city driving without any heavy loads, and I've been as gentle on the pedal as possible, but it's also been single-digit cold with an average of 4" to 6" snow on the ground.

[sprocket]

I've had my '14 SL since 12/28 and I'm averaging 13.6 mpg - all city driving. I know cold weather and driving through snow affects mileage, but should it affect it this much? It's all residential city driving without any heavy loads, and I've been as gentle on the pedal as possible, but it's also been single-digit cold with an average of 4" to 6" snow on the ground.

I think it's quite possible. My 2013 Rogue used to see very nice 26.x - 28.x mpg averages in nicer weather.
The brutal cold and change in fuel blend as well as more slower, traffic-bound commute is netting me 21.x mpg this week.
Same commute year round, the majority of my commute is freeway (60-70%).

At such cold temps, it takes much longer for the car to warm up sufficiently. It runs in "open loop" until sufficiently warm before switching to "closed loop" which monitors/adjusts fuel delivery based on sensor readout. The longer it takes to warm up, the longer you'll be running in "closed loop" which is less efficient.

Since you drive in the city, factors such as length of time you leave it idling to warm up, how long your trips are (not just distance but actual time), is it constant city-like speeds or stop and go, etc can all negatively affect your fuel economy.

[hawki]

I've had my '14 SL since 12/28 and I'm averaging 13.6 mpg - all city driving. I know cold weather and driving through snow affects mileage, but should it affect it this much? It's all residential city driving without any heavy loads, and I've been as gentle on the pedal as possible, but it's also been single-digit cold with an average of 4" to 6" snow on the ground.

This is totally unacceptable. Note though you are in break-in period (at least first 1000 miles) - but even in break-in time the mpg should not be half of the posted mpg.
And for winter, I would expect drop of 1-2 mpg max, due to pre-warming the engine and slow-ER driving in snow/slash.
You should take your Rogue to the dealer to check it out. What is the avg. RMP during your city driving. If it is too high (>3000) that may cause poor mpg and a sign of CVT problem to come.

[1019throw]

I've had my '14 SL since 12/28 and I'm averaging 13.6 mpg - all city driving. I know cold weather and driving through snow affects mileage, but should it affect it this much? It's all residential city driving without any heavy loads, and I've been as gentle on the pedal as possible, but it's also been single-digit cold with an average of 4" to 6" snow on the ground.

This is totally unacceptable. Note though you are in break-in period (at least first 1000 miles) - but even in break-in time the mpg should not be half of the posted mpg.
And for winter, I would expect drop of 1-2 mpg max, due to pre-warming the engine and slow-ER driving in snow/slash.
You should take your Rogue to the dealer to check it out. What is the avg. RMP during your city driving. If it is too high (>3000) that may cause poor mpg and a sign of CVT problem to come.

I think that is store a hasty conclusion you are drawing from this, going right to cvt problems.

The OP did not mention how long they let their car idle to warm up, traffic, etc. I live in Pennsylvania where temps are unusually low right now, single digits for the past month. I drive only 2 miles to work of city driving, and am around 17mpg. When I drove 60 miles home from the dealer on the highway, I was over 30mpg.

[JLD94]

Been in the mid 20's here. Last tank took a little hit, but still not bad over all. I filled up lastnight and I'm sure this tank will be low also with extra warm up time for getting ice off the windshield.... but Friday it'll be in the upper 70's!

[CapeCodChips]

I have a grey 2014 SV AWD. I'm not getting the nice MPG's most of you are. Stats:
Mileage: 2114, 9 fillups, 92 gallons, average of 23 MPG. This is over 80% highway at 72 mph.
Best tank was 27 MPG, driving at 67 with a 30 mph wind at my back for 120 miles.

As a comparison my 2009 Caravan 183,000 miles got 21 MPG in Nov-Dec.

I will see the dealer in a couple of weeks and get it checked out.

Revised:
Now at 4,000 miles
Last 3 tanks have averaged 25.5 MPG, 90% highway

[Mchugh56]

I have a grey 2014 SV AWD. I'm not getting the nice MPG's most of you are. Stats:
Mileage: 2114, 9 fillups, 92 gallons, average of 23 MPG. This is over 80% highway at 72 mph.
Best tank was 27 MPG, driving at 67 with a 30 mph wind at my back for 120 miles.

As a comparison my 2009 Caravan 183,000 miles got 21 MPG in Nov-Dec.

I will see the dealer in a couple of weeks and get it checked out.

I have 750 miles on mine and am averaging 22.3 and 85% of it is highway. Been very cold (temps ranging from 0-25), but I wouldn't think it should affect the MPGs that much!? I am waiting for it to warm up to around 40 to at least compare, but even than don't think I will get over 26 mpg. I am disappointed and wondering if I should have this looked at.

[DTASFAB]

Outside temperature is not the only factor. The winter blend of gasoline is oxygenated and may also contain more ethanol than it does in the summer. Unless you're driving at least 50 miles every time you start a cold engine, too high a percentage of your miles driven are going to be traveled at less than full operating temperature.

Also, unless you're experiencing weird sounds under the hood when you start a cold engine, there's no reason to waste fuel letting it warm up longer than about 10 seconds. Just be extremely gentle on the gas when you start moving, because you don't want to rev the RPMs too high before the oil has a chance to circulate and lube up all the moving parts in the engine. You should be light footed anyway since you're trying to increase your fuel economy.

[JLD94]

I am not an agressive driver usually. In my cars I usually get above the combined MPG. I think my drive helps a lot to. The only real 'road trip' I've had, I was somewhat dissappointed in the HWY MPG. I showed 31.5 over about 200 miles and was driving 65-70 most of the way. I ended up doing a lot of city driving after that so my overall tank was lower than that. I had around 1200 miles on the Rogue at that point.

For comparison as far as how I drive, in my 2009 F150, I was averaging around 17.8 mpg. It was rated 15/19

[ricbrk]

2013 Rogue, For the first 1500 miles we were getting a consistent 25.4, but it's been going downhill since. Currently at 6,300 miles we're down to 19.1. Dealer says no issues, they've blamed it on everything but Obama. According to them it will get better in spring ? We'll see.

[slimsol]

250 miles so far on first tank. Drove 50% city and 50% highway and mostly in heavy snow. I still have more than half tank left. Average on meter shows 25.5

[McHale]

I don't think you guys realize how cold weather affects gas mileage. On my 2012 Hyundai Veloster, I get about 39 mpg on the highway in the summer. Right now (most of the days here this winter have been below zero) and my mileage is about 25 right now. I also know that when I was racing 2.5L equipped turbo cars, we would move the air charge temp sensor to the front bumper (or the intercooler piping) so it was running in a colder temp than the stock location which would in turn force the engine to run rich.

My Rogue is supposed to arrive at the end of February so I will know more once it arrives.

[NickSaul]

I drive about 40 miles per day to get to/from work. About 1/4 of that is city and 3/4 highway. I'm currently averaging about 24.4 MPG.