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Hybrid Vehicles Toyota Highlander Hybrid Toyota Highlander Hybrid MPG-Real World Numbers
417 messages, Last post on Oct 16, 2009 at 11:34 AM
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Last week I had to drive 350 miles to Duluth, MN (from ND) for my daughter's college graduation. I made it to Duluth on 10.02 gallons of gas, 353 miles between fill-ups. I admit there was a brisk tail wind for the first 200 miles. I returned hauling almost 500 lbs. of my daughter's possessions in the back of the car. That dropped my milage to 29.5 for the first 655 miles of the trip (I filled up about 85 miles east of home). 
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Replying to: mcgusto (May 17, 2009 10:39 pm) |
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Thanks for the tips and knowledge in dealing with the hybrid system. It just struck me as kind of odd only getting 22mpg, when on this forum I routinely see people recording 26mpg+. Something's telling me my wife is running the air conditioning more than I'm aware of (Here in SoCal we have had almost 2+ weeks over 80 degrees). Does anyone have any experience with lower mpg due to excessive air conditioning use? We also just had our tire pressure adjusted, and the tires are reading 32-34psi. Thanks again, Gusto |
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Replying to: mcgusto (May 21, 2009 9:04 am) I don't have a 2008-09 HH, I have a 2007 HH FWD. I reside in central VA. Anyway, I believe the A/C in the 2006-2009 HH is electric and runs off the battieries so it shouldn't have that much of an affect on your MPG. I was stuck in a traffic backup for about 20 minutes last Summer. The ICE was off most of the time but did cycle on/off for brief periods to keep the batteries at a certain level while the A/C continued to pump out cold air. I have been averaging 26-27 MPG during the cooler months and have gotten over 29 MPG during the Spring/Summer early Fall timeframe. I've had my HH for a bit over 2 years and am extremely pleased with the overall quality, performance and MPG. Regards - M. J. McCloskey |
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Replying to: mcgusto (May 21, 2009 9:04 am) There are sites on hyper-miling you might want to read. The first thing is to increase your tire pressure. I run mine (2008 HH) at 39 psi. This is within the limits for the tires. |
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| I've had my 06 HH sinc the first of May. I have driven almost 2,000 miles and averaged 25.1 MPG. 90% of my driving is city and 10% is highway. This is a huge improvement over the 14 MPG that I was getting in my '00 Explorer 4x4! | |
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Replying to: mcgusto (May 21, 2009 9:04 am) This past week I had the pleasure of being the sole driver of our HH for 2 straight days, and drove it over a 100 miles with a mix of city and highway driving, probably 50-50. By doing the things previously stated on the board - we had just filled the tank up the day before- I was averaging between 25-27 mpg. I quickly came to realize my wife wasn't adjusting her driving style to the hybrid synergy drive. A couple of quick notes: 1. Trying to coast as much as possible 2. Trying to keep the power meter on the very bottom 2 bars seems to use the electric motor more 3. Cruise control on the freeway - Speeds of 75mph returning around 24-25mpg 4. Gently depressing the break while coasting downhill to optimize battery recharge 5. Letting your foot OFF the gas pedal when not accelerating (This kind of goes with coasting, but it's kind of habit, at least for me and my wife). We did not inflate the tires up to 35psi yet. They're still running around 30-31 psi, so I'm thinking this will increase mileage a bit more too. Thanks to all who've contributed to this forum. Gusto
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Replying to: mcgusto (Jun 25, 2009 8:56 pm) And from experience I speak, she probably won't change. |
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I bought my 2009 hh back in Nov.'08. Since then Toyota has been telling me that it will take at least 10,000 miles to "break in the vehicle" and get the stated mileage. I mentioned my bad mileage at my 5,000 service and again today at my 10,000 service. I'm getting 19-22 city and 24-26 hwy. I have been so irritated at these numbers and getting no assistance from Toyota. I do live in NC where we run our AC April-October, which I understand may have something to do with my MPG. I haven't checked my tire pressure but did note that was something other people posted. Any other suggestions or help?
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Replying to: mom2twins1 (Jul 03, 2009 12:21 pm) The second thing is how you use your gas and brake pedal. A slow/gradual but continuous downward motion on acceleration, and then slow/gradual but continuous upward motion of gas pedal when coasting, yields the best FE. Also a slow/gradual but continuous downward motion of brake pedal yields the best energy regeneration or battery recharging. This can be hard to do unless you have to plan your speed and look 5 cars ahead or 1 to 2 blocks ahead so you can plan how you can exactly execute those slow/gradual pedal motions. Don't mind if the engine is running or not since the computer will just sort it out for best FE. For city driving accelerate moderately (not slowly and not jackrabbit quick) until you reach your desired speed then gradually release the gas then reapply just enough to maintain speed. A slow and long duration build up of speed gets the worst FE. Acceleration phase should be brief. Maintaining steady speed gets best FE. Abrupt acceleration and braking hurts FE. For highway, you can set the cruise from 50-65 mph and forget about it. Or you can regularly modulate the gas pedal without allowing power needle to go above the half mark on acceleration nor dip below the zebra when coasting. I inflate to 34 psi on all 4 wheels. My 2006 AWD HiHY averages 30 MPG per tank, 95% highway. With warm engine, I am getting unbelievable FE in the city trips, like 35-40 MPG. With cold engine my short city trips ranges from 17-25 MPG. I am sure this will help you. Please let me know if there are changes after you tried this technique.
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