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Hybrid Vehicles Toyota Camry Hybrid Toyota Camry Hybrid MPG-Real World Numbers
856 messages, Last post on Nov 22, 2009 at 8:38 AM
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Replying to: wvgasguy (Oct 26, 2006 7:33 am) |
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Replying to: wvgasguy (Oct 26, 2006 7:33 am) ditto
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Replying to: jbollt (Oct 29, 2006 6:40 pm)
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1) Climbing a very long grade that will quickly deplete the battery -- it will be best to space out elecrtic assist evently through the whole climb than run efficiently for the fist half of it, and at some high RPM for the rest of it once the battery is spent. I read this on another post about wanting to have the ability to control manually when the battery would kick on for special circumstances. Those of you with the NAV system probably already know this, I'm not sure the dash display adequately shows this mode though for non-NAV systems. Typically when I am going up hill, reguardless of the grade, I am able to maintain a speed that not only gets me up the hill adequately quick, but recharges the battery at the same time. If I give it too much gas to speed up the battery goes to boost assist. I can let off a little and allow the ICE to generate excess hp with in turn allows the battery to charge while going uphill. Granted you may not go as fast as you want but it's possible to charge the battery in an uphill drive. Thus if you know there is a long strech of flat coming up and you want maximum battery charge available you can still achieve it. I live on a steep grade that typically costs me 0.1 mpg every time I drive home. Some times I make it up going down, but typically not as my ICE is running to warm up the car. However what usually hapens is that by the time I get up the hill, then next time I leave, I have a full green charge when I'm ready to pull out on the highway. This allows me to quickly speed up to the limit and back off and I am able to maintain between 40 to 50 mpg average FE all the way into town (4 miles) and at that point I can drive around town in E mode. It's not untypical for me to average 45 mpg on this regular frequent trip. I have found that I can pull away from a stop sign in E mode when the battery is full at a reasonably quick acceleration. (It is a small town though_people may be more patient_1 mile will take you around it_twice) |
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I have been manually calculating the MPG in my 07 TCH and I am consistently getting 33 to 34 MPG. The computer readout shows much higher. I found the post from "wvgasguy" very interesting; I am curious if anyone else is experiencing this low MPG in their Camry. I have close to 1700 miles on it...perhaps it will improve. I figured when I purchased the car that the window sticker of 38-41 MPG was very optimistic, and figured it was inflated by as much as 20%. In all the vehicles we have or currently own (Navigator, 4Runner, Caravan, Cougar, Impala) the vehicle calculated MPG are very, very, optimistic. I am curious as to how they are configured, if it is based off the fuel injector it would have to take in pulse duration, e.g. longer injector opening when the vehicle is cold and shorter duration when warm. I would think that some sort of flow meter for the fuel would be the most precise, going off injector pulse would only provide the open and close duration, and not the actual fuel volume that has passed through the injector. The way I am calculating my MPG is by filling up the tank and dividing my miles driven since last fillup by the gallons just put in. Overall, the 33 MPG are still pretty good for this size of vehicle. Co-workers are getting in the upper twenties on the highway in thier 4 cylinder Honda Accords, and my son is averaging around 20-22 MPG in his V6 Impala. If I had to do it all over again I would purchase the Camry again, the reason being the $2600.00 tax credit, low emissions, vehicle equipment/style, and the Toyota reputation for reliability. I purchased a GPS unit and will have to see how far off my speedometer is.
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Replying to: jsaladin (Nov 03, 2006 1:18 pm) 37 MPG. It all depends on the type of commute you have, the air in your tires, and your driving style. Only getting 33 or 34 means there is some combination of those issues that is driving your MPG lower. The TCH is actually the best job Toyota (or anyone) has done so far in making a hybrid vehicle which is VERY VERY close in real-world averages to the EPA estimated mileage. With the combined EPA at 39 and the real-world average at 37, the TCH is only about 5% lower than EPA.
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Replying to: larsb (Nov 03, 2006 2:21 pm) My 4Runner is also off on the odometer but I have not verified by GPS just how much. I need to take it on a long trip (100+ miles) to feel comfortable stating any correction. Also jsaladin, note that the speedometer as well as the odometer is off and correcting one error only magnifies the other as they diverge. The speedo reads high and the odometer reads low. Only getting 33 or 34 means there is some combination of those issues that is driving your MPG lower. I truly believe I could get 35+ in any driving condition. But to do that I might have to tick off some other drivers. No one should make you speed, tail gate, move over or any take any other action as long as you're not a nusance or breaking the law. However many folks can't take the heat of having some blue hair flip them off. Actually, I now drive the speed limit and I try to not "block" traffic and stay considerate. Given all that I am currently averaging 39.22mpg over 15,000 miles. HOWEVER I don't use my vehicle for commuting and I don't live in a heavily congested area. But I have been in Columbus, Ohio / Charleston, WV / Nags Head and cities in between and have been able to get 39+. Experiment with your 4Runner if you want to see how driving habits affect FE. I was averaging 16.2mpg with a 2006 V8. Lately, by accelerating lightly, keeping the RPM's below 1500 where possible and just driving the limit I am able to see 19 to 22 mpg on local trips. However on the Interstate at 70 mph it drops into the mid 17's. Still I can easily see a 10 to 20% increase in FE easily by altering my driving style. Same for the TCH except in its case 10% increase is 3.5 mpg |
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Replying to: jsaladin (Nov 03, 2006 1:18 pm) If I drive like most people seem to, quickly racing ahead to see who'll be first to the next stoplight, my mileage suffers. But if I accelerate smoothly and moderately and anticipate traffic stops and slowdowns ahead, taking my foot off the accelerator early, my mileage meets the EPA rating. I suspect, though, that kind of driving might be a problem in some go-go cities. My dash mileage readouts have been very close to my calculations (1 mpg or less), within the margin I expect from so few fill-ups. So far, I'm quite pleased with the car. Other than the added initial price and possibly some added maintenance, the car performs just like any other. It's a small price, imo, to (ever so slightly) reduce consumption and our dependence on foreign sources for oil. |
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Replying to: wvgasguy (Oct 30, 2006 5:18 am)  WillyBill 2007 TCH Mag Grey, Nav, Leather
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Replying to: willybill (Nov 04, 2006 7:45 am) |
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