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Honda Odyssey Real World MPG

491 messages,  Last post on Nov 26, 2009 at 7:32 PM

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What is this discussion about? Honda Odyssey, Fuel Efficiency (MPG), Van


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#10 of 491
Re: '05 EX-L [cstoffer] by cccompson
Aug 27, 2005 (7:11 am)
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Replying to: cstoffer (Aug 25, 2005 10:07 am)

Yes, the mileage will improve over time. My Touring will get 28 on the highway IF the speed is kept at 65-70 (over that and it drops dramatically). There is no way this vehicle can ever achieve 20 in town - it is simply too heavy - though I have come close to 18 mpg.
#11 of 491
Actual mileage in '05 EX-L by woodie57
Aug 27, 2005 (6:05 pm)
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I am getting 17 city and 24 interstate. That's with 4 kids and myself and some luggage with A/C. City is without luggage and on a fair amount of 45 MPH roads.
 
I don't notice when the engine switches off cylinders. Is it when the ECO light comes on? I have not even read the manual. I have made an effort to avoid changing speeds quickly on the highway to hopefully eliminate the cycling back and forth. Probably a waste of effort but it keeps my mind occupied while driving. It just isn't as exciting as when I was 16!!
#12 of 491
05 EX-L RES NAV First tank 18.1 Second 20.2 by mich_chow
Aug 29, 2005 (11:53 am)
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Mostly (say 70%) city. Lots of idle time with AC on (more on first tank). AC on 90% time. Regular unleaded fuel. No significant weight on the van. Highway speed 65-70, city speed 40-45. Tried to maintain same speed as much as possible. Not too bad, IMO.
#13 of 491
Actual mileage in '05 EX by van_info
Aug 29, 2005 (12:22 pm)
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Replying to: woodie57 (Aug 27, 2005 6:05 pm)

I am doing 20% city and 80% highway and the average fuel mileage is 17 mpg. I am using Fuel Grade 89. If I use the 87, it goes down to 15.5 mpg.
#14 of 491
Consumer Report EPA #'s by jipster
Aug 29, 2005 (4:42 pm)
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Big article in Octobers issue of CR reguarding EPA testing methods and why 90% of motorist aren't getting the mpg they expect. EPA on Honda Ody in city driving is 20mpg. Consumer Reports independent test on the Ody EX showed a city mpg of 12 mpg. A shortfall of 40%.City driving showed the highest discrepancy between claimed and actual mpg...many in the 35%-50% range.
#15 of 491
Wild variations by inkyofok
Aug 29, 2005 (4:43 pm)
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Motorweek got 22 mpg on their standard test loop which is good. We drove to New mexico from Tulsa and back this summer. 24 mpg, family and 70 mph. Not bad really. 27 achievable but 65 only once and very flat and steady. City mileage will never be good. Simply 4500 lbs to lug around. Overall not a great disapointment.
 
The 28 figure is real if you drive 60 mph, no AC and no family. Flat and steady.
#16 of 491
three-state-trip with 05 EX by attilauy
Aug 31, 2005 (12:10 pm)
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AVERAGE MPG ON ONE WAY TRIP=24.7MPG (range=22-27)
 
FACTORS THAT MAY AFFECT MPG:
*SPEED=65-75MPH, cruise control on 80 % of the time
*LOAD=4 adults (2 with 4 day vac. baggage plus 2 college bound students with enough baggage for one semester plus small refrigerator for dorm use)
*OUTSIDE TEMPERATURE= 85-95 degree farenheit
*AC= on all the time set at 75
*RADIO=on most of the time plus MP3 player and FM transmitter
*ROAD=70 % flat, 30 % hilly on the foothills of the OZARKS.( almost the entire lenght is interstate road)
 
RETURN TRIP=24.8 MPG (range=22-26)
 
FACTORS: almost similar as above except...
 
*two students and their baggage are gone
*radio=rarely use
*SPEED=70-80 MPH
 
OBSERVATIONS.....
1.Annoying engine/muffler loud sound at speed more than 75mph. this increases with speed. think it is inherent to the engine or muffler when the load to the engine is about its limit (though the rpm rarely goes beyond 3k) they may want to modify the muffler later (my suggestion, as i hate this kind of sound heard on soup up tiny car racing on a highway)
2.No wind noise whatsoever heard from doors, windows ( knock on wood!).
3.Dripping water near the tail pipe one foot from rear bumper ( saw this whenever I stopped for gas). it is like the one dripping underneath the engine compartment when using AC. Not sure why this happen. My old GC more than ten years ago did not have this.
4. Highest mpg was 27, on almost flat I-55 bettween St. Louis and Chicago with speed set at 65mph. I think the most probable reason why the two trips have almost identical mpg (24.8 vs 24.7) was the faster speed I drove during the return trip (65-75 vs 70-80). (Apparently more load on earlier trip was not much of a factor, just my observation)
5.The trip went well, without incident/mechanical problems.
#17 of 491
04 EX-RES Mileage after 1 year by 04odyexres
Aug 31, 2005 (4:29 pm)
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My total mileage so far (1 year and 2 weeks) is 21.6. I have 16877 miles / 780.905 gallons. My 3 best mileages when putting in gas were 29.1, 28.4 and 27.1. My 3 worst were 15.8 (March), 17.6 (Dec) and 18.1 (September). I drive about 60% to 70% highway.
#18 of 491
Re: 04 EX-RES Mileage after 1 year [04odyexres] by iluvuall
Sep 01, 2005 (9:58 am)
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Replying to: 04odyexres (Aug 31, 2005 4:29 pm)

We just completed one year in July and the mileage has suffered this spring & summer. The van has about 11.5K now. I was wondering if it has something to do with reformulated gas but I am not entirely convinced of that because we should have the same experience as last summer.
 
When we bought the car it had about 300 miles on it and on July trip about 200 miles we were able to get there and on a single tank --400 miles and still not reached the low fuel light. (easily over 27MPG). We did the same trip this year and we had to fill up at about 290 miles on the return about 20MPG before the low light came on.
 
We noticed that we have been going to the gas stations more frequently even though our summer routine has been the same the past 2 years (kids in camps at the same locations). We barely get 250 miles mixed on city/hwy.
 
I took to a Honda mechanic (not dealer) for oil change and had him check it out and he could not find anything wrong. He also researched the TSBs and did not find anything. He was wondering if we were paying more attention to the fuel economy because of the high price of gas. I gave him the same example of our two July trips as above.
 
This has got me worried because fuel economy is not getting better. He changed the air filter too but nothing on the engine computer to indicate a problem. The van drives fine and accelerates as ably as the day we purchased it.
#19 of 491
2005 Odyssey - RES & NAV - 12MPG city driving by bentruong
Sep 02, 2005 (12:51 pm)
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I live in Las Vegas, and after a week of city driving, I fetched about 12MPG on this car. AC is always on since it's summer in Las Vegas, and I loaded about 600 lbs on this car when I drive around. That 12MPG is really disappointing. Is that anyway that I get more MPG on this car?

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