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Toyota Highlander Hybrid MPG-Real World Numbers

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What is this discussion about? Toyota Highlander Hybrid, Fuel Efficiency (MPG), SUV

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#334 of 417 Re: 2008 Gas Mileage with Hybrid [hotch41] by banditob Nov 12, 2007 (12:53 pm)
Replying to: hotch41 (Nov 11, 2007 8:20 am) I haven't yet gotten through a full tank on my HiHy, but here's were I'm at currently.   My daily commute is about 2/3's two lane highways (40-55 mph), with some stop and go, and 1/3 freeway driving. The round trip is about 26 miles total. I'm almost through the first tank and the average has been steadily rising since I got it and is now at 25.0 mpg. That includes the dealer introduction to the vehicle in which the system was left on for about an hour with the engine cycling on and off as it saw fit and a few mornings starting up from below freezing with the vehicle left outside for the night.   So far, I'm pretty impressed with it, including the mileage, which should continue to go up as the engine breaks in over the next few thousand miles.   Good luck with your decision.
#335 of 417 Re: What are you really getting? [slouf] by wallacew Nov 14, 2007 (3:20 pm)
Replying to: slouf (Oct 11, 2007 9:16 pm) Are you reading the mileage your getting on the monitor inside the vehicle? You can't believe that thing, it's not accurate. The only way to take your true mileage is to write down your odometer reading after filling your vehicle until the gasoline stays in the top of the fill neck. Take your mileage next time after you fill it to the where the gasoline stays in top of the fill neck. Subtract the previous reading from the last and divide by the gallons of gas you last filled up with. Note: If you just let the gas pump cut off automatically, you want get an accurate reading because depending on the angle the vehicle is sitting it may cut off and you can still put anywhere from 2 to 5 gals more in the tank to fill it to the top.
#336 of 417 Re: 2008 Gas Mileage with Hybrid [hotch41] by drlonline1 Nov 15, 2007 (1:18 pm)
Replying to: hotch41 (Nov 11, 2007 8:20 am) I've had my 2008 HH Limited for 2 weeks, and just had my first fill-up. Averaged just under 27 MPG on the first tank, with a roughly 50-50 combination of highway and city mileage. Very pleased so far. Replies to this message: mevander1 (Jul 14, 2008 3:11 am) cdptrap (Jul 14, 2008 8:15 am)
#337 of 417 2008 HiHy Fuel System by banditob Nov 15, 2007 (6:09 pm)
I was a bit surprised to find that the 2008 HiHy fuel system is unique from every other vehicle I've owned. Now I'm curious as to what it's really doing.   When you press the Fuel Filler Door Release button, the Owner's Manual says that it may take up to 10 seconds to release the door and that the Multi-Function Display alerts you to when the vehicle is ready to be refueled. It also mentions that it is releasing pressure from the system and another section in the manual, about unusual noises from the vehicle, mentions that you may hear a hissing sound about 5 hours (I think this is the correct figure) after shutting off the vehicle. It says this is a leak test for the system. I know that this must be part of the SULEV (Super Ultra Low Emissions Vehicle- Zero evaporation) compliance system, but I'd like to know more about what it's actually doing and how it works.   Does anyone else know more about the fuel system in the 2008 HiHy and what it's acutally up to?   Does the previous model HiHy also work this way?   Does it normally operate under pressure?   Inquiring minds want to know!
#338 of 417 Re: 2008 Gas Mileage with Hybrid [hotch41] by monte8 Nov 17, 2007 (8:11 pm)
Replying to: hotch41 (Nov 11, 2007 8:20 am) I took my first longer trip with my 2008 HH today. The first tank of gas averaged 24.8 mpg (hand calculated, not from the display), this was within about .5 (that is "point 5) mpg of the computer display.   After the first fill, with a warm engine on a easy highway, the computer display shows 29.2 mpg for the remainder of the trip (an additional 83 miles).   I was driving in the Econ mode.   I expect that this will improve with further break-in of the engine components.
#339 of 417 Re: 2008 Gas Mileage with Hybrid [hotch41] by bennb Nov 19, 2007 (12:02 pm)
Replying to: hotch41 (Nov 11, 2007 8:20 am) If you're doing MOSTLY highway driving you will have a tough time justifying the Hybrid over the regular Highlander ... expect about 2 mpg better on the highway with the Hybrid. Now, that is if you're ONLY talking money ... obviously burning less gas is better, period, but it will cost you.
#340 of 417 '06 Hh MPG by kyrpto Nov 30, 2007 (5:49 am)
Replying to: cdptrap (Jul 13, 2007 8:43 am) We’ve had an ’06 Hh [34K] since July ’05, regularly [from first tankfulls] get 26 mpg combined, mostly highway driving. Drove at varying speeds for the 1st 1K but didn't pamper it at all. Best was 30 on a 70 mile loop. Gets 22-23 with a Thule box at interstate speeds too. The diff between the computer and manual calculation isn’t that much. Overfilling is seriously bad for the Hh fuel system.
#341 of 417 I think that HiMotion will help these figures. by hondaboy945 Dec 06, 2007 (11:39 pm)
My wife and I are looking at the 2008 HH and this is partly due to the fact that she will not drive a Prius. But, to get to my point, there is a company that is developing a battery pack for the Prius and soon for the HH. The company is HiMotion. I think that for short, around town trips, your HH could get awesome gas mileage. I look forward to getting the HH after we get back from vacation. I also look forward to getting more information on the battery pack so my wife can go longer between trips to the gas station.
#342 of 417 2008 real-world numbers? by fishferbrains Dec 18, 2007 (9:02 am)
We've the happy owners of a 2008 HH Limited with about 600miles so far.   We're in a fairly hilly portion of Oregon doing mostly errands, but I'm only averaging around 21mpg.   Anyone else have experiences with the 2008 they can share? Replies to this message: febrile1973 (Dec 20, 2007 11:46 am) toyohh08 (Mar 17, 2008 2:23 pm) t_mooney (May 10, 2008 12:14 pm) gtate (Jul 26, 2008 3:15 pm) gwnorth (Aug 19, 2008 12:04 pm)
#343 of 417 Re: 2008 real-world numbers? [fishferbrains] by febrile1973 Dec 20, 2007 (11:46 am)
Replying to: fishferbrains (Dec 18, 2007 9:02 am) I have nearly the same miles on the odometer. My mpg (onboard) is usually in the 27's per HH trip computer. I let it do my calculations. That has been mostly city driving, stop-and-go while hopefully allowing it to warm up to work the best. I drive like I'm seeking the high scores, so I rarely open-it-up. I can't afford to hot rod and I am still waiting to break it in before really firing it up. Replies to this message: toyohh08 (Mar 17, 2008 2:23 pm) t_mooney (May 10, 2008 12:14 pm)

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