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Unread 07-02-2007, 04:53 PM   #16
sracer
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Quote:
Originally Posted by Gramps
Then the RPM's makes since. What I can't figure is why with higher gears the 5spd gets better mileage???
Probably due to the CVT programming at lower speeds. (I believe that there is a service bulletin related to that) I've noticed that when I'm on the open highway, mileage is stellar... 26-28+. But add just a little city stop-n-go to the mix and mileage drops to approx. 23.

But it could also be dependent on the driver. What are the avg speeds of those with 5spds who are getting great mileage? Here in AZ, I'm either in stop-n-go traffic under 45 or on the open highway doing 75-80.

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Unread 07-04-2007, 07:16 AM   #17
bradleytc
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I have a 5 speed manual, 2.4 L, FWD with 5000 miles. The engine runs approximately 3000 rpm at 70 mph. I have averaged 26.4 mpg with a high of 28.3 with all highway and a low of 23.6 loaded down with the family and luggage. I typically drive about 2/3 highway at 70 mph.
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Unread 07-06-2007, 07:33 AM   #18
belezeeubub
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Let me put it to you like this.

Which driveline/tranny/ combo would you pick for MAXIUM MPG

It has to be 4x4 other then that I was leaning towards a 5sp man but if the auto gets better MPG thats fine.
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Unread 07-06-2007, 07:47 AM   #19
sracer
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Quote:
Originally Posted by belezeeubub
Let me put it to you like this.

Which driveline/tranny/ combo would you pick for MAXIUM MPG

It has to be 4x4 other then that I was leaning towards a 5sp man but if the auto gets better MPG thats fine.
Depends.

If the overwhelming majority of your driving will be on the open highway (65+ mph), then the FDI CVT will give you better mileage.

If you will be in stop-n-go city, then 5 spd will give you better mileage... of course doing stop-n-go with a stick is a royal pain.

Steer clear of the FDII CVT unless you absolutely need to have the lower "gearing". This is all from a strictly MPG point of view.
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Unread 07-06-2007, 07:51 AM   #20
Gramps
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Quote:
Originally Posted by belezeeubub
Let me put it to you like this.

Which driveline/tranny/ combo would you pick for MAXIUM MPG

It has to be 4x4 other then that I was leaning towards a 5sp man but if the auto gets better MPG thats fine.
Tough call! What are your driving conditions? The 5 spd is supposed to be marginally better but it doesn't seem to be consistently better.

Added note:

IF your driving for mpg, keep it at 65 or less on the highways and don't flog it, the 5 spd SHOULD be better.
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Unread 07-06-2007, 08:22 AM   #21
belezeeubub
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I drive back and forth to work 37 miles each way with about half of that being 55 (but It is possible I might do 60 to 65 This Jeep will never been more off road then a camp site (sorry guys its a company car) in November I'll take it down to a trade show in AZ for two weeks.
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Unread 07-06-2007, 09:28 AM   #22
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THEORETICALLY:

An engine develops it’s most efficient use of power at 2/3 peak torque. The 2.4’s peak torque is 165 lb/ft @4400rpm X .66 = 2904rpm. The 5 spd is a closer match to this theoretical ideal @ 65 mph than the CVT which would have to be doing 92 mph to be running at 2900 rpm. The reason that the CVT doesn’t run best at 92 mph is the ratios will be constantly varying because of terrain, wind resistance, etc.

This does not take into account VVT, electronics, etc. This is "old school", originally written on parchment, stored in my brain cells from early Hot Rod days.
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Unread 05-16-2008, 02:03 AM   #23
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08 pat with auto-stick. first tank 22.8, second tank 23.4, third 26.03. still playing to much with the auto-stick
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Unread 05-16-2008, 03:58 AM   #24
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Woo Hoo!

Filled up yesterday, and got 28.2-combo of around town and some highway. I have a 5 speed and I drive pretty mellow for the most part, but was doing 65-70 on the highway.

I know I got more than that when we drove recently on a camping trip. We caravaned with some RV's so we didn't get any faster than 58 mph. I got to the destination 45 miles away, and was barely off full (like 2 tiny lines). Normally I get 22-23 around town. I so love this vehicle

I do normally fill it from 3/4, just because I hate having to pay more than $35 at a time at the pump. Luckily, my daily commute is a short one.

Go Patriot!
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Unread 05-16-2008, 04:51 PM   #25
deepnite10
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I just picked up my Patriot last nite..it s a 4X4 stip d version..all its got is
CD and A/C..no power window s or door lock s..i ll have some pic s up
soon..

Really have nt taken it out..just sitting in the driveway till i read the owners manual..

what it does have is a auto/stick..and i see in manual it s got a 6th gear..is that comparable to high gear in auto?

this really a big first for me..an auto that can be shifted manually.
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Unread 05-16-2008, 06:41 PM   #26
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2007 Patriot 2.4 4x4 CVT FDII

22 MPG average in 50/50 city/highway driving.

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Unread 05-17-2008, 04:42 PM   #27
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My wife consistently gets ~28 in mostly city driving conditions (under 45 and stopping at lights). We have a 5 speed FDI. I am constantly impressed with the mileage, and I think it will even go down a bit if there was more freeway time mixed in the average...

I too have noticed the high RPMs on the freeway, they approach 3K @ 70mph. We have the lower profile 215/60-17 Firestone Affinity tires on ours. Another thing I have wondered is if anybody with the Goodyear SRA 215/65-17 (slightly bigger) tires and same powertrain notices lower RPMs than that? Maybe even better mileage?? If the added tire weight does not make it a wash, I'm thinking it may be a good decision to get slightly larger tires next time around and keep the Rs a little lower at the same speed on the freeway.

On my TJ I have a 4.10 rear end, and my mileage went up a few MPG after switching from 30s to 31s...(and this is measured after getting a new speedo gear of course). It could be worth trying the same experiment on the Patriot when the time comes.
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Unread 05-19-2008, 06:19 AM   #28
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24 city, 28 highway, '08 Patriot 4x4 CVT FD1.
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Unread 05-19-2008, 08:41 AM   #29
acadian
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I just traded in my 2006 Ford F150 for a 2008 Jeep Patriot. As much fun as that truck was, it was getting 12-14 mpg. I figured out I will be saving just over $150 a month in gas. I used to be able to watch the needle move on my truck. With the Jeep, I left the dealership with a full tank of gas a few days ago and it still hasn't even hit 3/4 full. And the Jeep holds half the gas that my truck did. So they can tell me whatever they want as far as mpg... the proof is in how much you have to go to the pump. I just have to chuckle every time I pass my regular gas station that I used to have to go to at least once a week.

Last edited by acadian; 05-19-2008 at 10:14 AM..
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Unread 06-16-2008, 05:47 PM   #30
boon4376
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Quote:
Originally Posted by Gramps View Post
Then the RPM's makes since. What I can't figure is why with higher gears the 5spd gets better mileage???
CVT's have higher friction and at highway speeds it shows more, not so much in the city where it is optimized, not THE reason, but a contributing reason

Also driving around town, usually at 40 to 45 mph when an automatic might want to stick in a lower gear but someone with a manual can just put it in 5th and barely lay on the pedal to maintain speed

I'm looking at the patriot as well, and it seems to be THE most fuel efficient suv on the market at the moment.
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