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Help estimate MPG based on the way I drive

Discussion in 'Gen 2 Prius Main Forum' started by jeff716a, Jan 31, 2007.

  1. jeff716a

    jeff716a New Member

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    I'm just trying to figure out if financially the 07 Prius would be beneficial for the way I drive or if I should stick with a 06 gas Civic I currently have.

    Without going into detail, let's say my payments for the Prius might be $10-20 greater than what I'm currently paying.

    I do drive a lot and spend a lot of time in the car, I would estimate about 20,000 miles a year. I live in Las Vegas, so the weather is usually on the warm side (I add that because I know that affects the MPG).

    I would say half the driving I do is on typical stop-and-go surface streets at about 35-50 mph. The other half is pretty much always about 75-85 on the freeway. If I got a Prius I wouldn't do any tricks to conserve gas or increase my MPG, I would drive it the way I would any car (which is on the conservative side, I hate to floor any car or strain the engine a lot, but when I get up to speed I do drive relatively fast.) I use air conditioning when I'm hot, heat when I'm cold, consider that I wouldn't be thinking much about MPG, just making sure I'm comfortable.

    Honestly I'm not 100% sure what the gas mileage is like in my gas Civic. EPA rated 30/40, I think the one time I actually checked from a full gas tank to an empty gas tank it came out like 32.

    So for two years of calculations (40,000 miles) assuming gas is $2.75/gallon for two years:

    Gas Civic - 32 MPG - 1250 gallons - $3,437.50
    Prius - (Need help with a good estimate for MPG I could expect)

    Something else to factor in is my "car ADD". I like new cars to play with their gadgets, etc (one reason I want to get the Prius, lots of new gadgets to placate me for awhile.) So if in 08 a new Prius that gets MPG in the 90's comes out, will that pretty much make my 07 trade-in value drop like crazy after 08?
     
  2. Beryl Octet

    Beryl Octet New Member

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    <div class='quotetop'>QUOTE(jeff716a @ Jan 31 2007, 01:21 PM) [snapback]383360[/snapback]</div>
    I'd think you'd see around 48 or 50. Say 48, that's 833 gallons, $2291.67.

    Who know's what the trade in will be? That one's a little tougher. Don't know that it would drop like crazy, but who can say for sure. Probably depends on too many factors to predict here: gas prices, competition from PHEVs from Chevy, etc. etc.

    If you are only considering a Prius because of financial considerations, then I'd be the first one to tell you to keep the Civic. If you like the gadget factor, or want to pollute less, or you drive one and like me go, "holy crap, this is the only car I've ever been close to that makes me think I'm living in the 21st Century", then it becomes an easier decision.
     
  3. efusco

    efusco Moderator Emeritus
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    There's no way to financially justify a new Prius...don't try. The depreciation alone on the civic when you sell it would probably take you 10 years to repay w/ the Prius even if your monthly payment didn't go up.

    The Prius is a great car....IMO a lot better car than the '06 Civic you have. You can expect to get 45mpg or more. The types of roads you drive on is less important than your driving style. Your 85mph highway driving will drop you to the upper 40s for FE assuming you're not doing a lot of aggressive passing/slowing (ie. gas/brake/gas/brake) behavior....but on cruise control 45 or so in warm weather is a reasonable expectation. The city part is much harder to predict.

    You say you won't do any fuel saving techniques. If you were so bored as to do a seach on the old Prius Yahoo! site you'll see some posts from a would-be Prius buyer who went by the screen name efusco describing himself as a serioius type-A personality driver who had no intention of changing his 10mph over the limit ways. This car may just change you. I now prefer and enjoy driving. I don't get as angry at other drivers. I'm safer and I totally enjoy striving for better FE. YMMV!
     
  4. jeff716a

    jeff716a New Member

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    <div class='quotetop'>QUOTE(Beryl Octet @ Jan 31 2007, 10:31 AM) [snapback]383370[/snapback]</div>
    Gadgets are a huge consideration for me. I love auto climate control and not having to do anything to unlock the doors except touch them. I also love auto headlights -- does the Prius have those by the way? The ones where you set it on auto and when you get out of the car they turn off by themselves and you don't have to turn them off every time you leave the car.
     
  5. Beryl Octet

    Beryl Octet New Member

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    <div class='quotetop'>QUOTE(jeff716a @ Jan 31 2007, 01:44 PM) [snapback]383378[/snapback]</div>
    Yeah, SmartKey is cool. As is the power button.

    It doesn't have auto headlights like my Mother-in-law's Town Car, but they do turn off when you turn off the car. But the Prius doesn't sense daylight like some cars will and turn the lights on at dusk etc. It's probably very similar to your Civic, I would guess.

    The auto climate control is great. I have a few issues with it, but it is mostly set and forget.
     
  6. Pinto Girl

    Pinto Girl New Member

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    The one intangible is how much it's worth to satiate your 'new car ADD.'

    My advice: don't look only at the amount of the monthly payment. Try to calculate what this'll all cost. Generally speaking, I've always felt that getting rid of a new car isn't a good idea, if you can avoid it.

    I do really love the smart key and not having to find my keys in my bag; it's great how it doesn't idle in traffic all the time (this makes me feel much less stressed than when my old car would be champing at the bit, begging to go); it's quiet and smooth under most conditions and there's lots of room.

    I'd guess the Civic probably handles more tightly than the Prius, which might or might not be a consideration, and the Civic doesn't (I don't think) have that intrusive 'traction control' device which cuts engine power almost back to idle if one of the front wheels spins even a teensy bit.

    To my eye, the interior of the Prius is a bit more well thought out and less video-gamey...I'm in my mid 40's and, to me, the gauge cluster in the Civic was a bit (pardon me for saying, since you own one) not quite 'grown up' enough. Also, I was looking at the Civic hybrid, and it made no sense to me that a hybrid with a CVT would have a tachometer taking up such prime real estate, right in front of the driver.

    But, as I said, it's all my personal opinion; they're both great cars.
     
  7. usbseawolf2000

    usbseawolf2000 HSD PhD

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    I think you should get 45 to 50 mpg depending on how heavy you use the AC. With $10-20 difference, a piece of mind (silence) at the stop light and ultra smooth electric only acceleration are worth it already. :D If you need more reason, Smart Key Entry will give you the Luxury car convenience. You also get one touch (steering wheel button) Climate Control as well as a nice wide screen LCD screen to see backup camera video.

    Dennis
     
  8. nerfer

    nerfer A young senior member

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    <div class='quotetop'>QUOTE(jeff716a @ Jan 31 2007, 12:21 PM) [snapback]383360[/snapback]</div>
    Well, there's an underlying financial confusion here. It's always cheaper to stay with an existing vehicle, because when you sell it you've lost that depreciation and the interest you've paid up front on a typical amortized loan. Even when you consider the improved mileage (which will be true for you), and the existing low depreciation rates on Prii. Month-to-month you might not see much difference, but the equity in the car would drop, assuming you're not paying into an upside-down loan. If you're in it purely to save money, you'd trade down to an 8-year-old Corolla or Civic and drive it into the ground. So there's a philosophical question of why you want to buy a new car - make an environmental statement for hybrids, showing manufacturers there's an interest in low-CO2 cars; prepare for possibly really high gas prices; have something new for the mods & gizmos; fit in with expectations of friends/family/co-workers for having a nice shiny new car. It sounds like the mods & gizmos are your primary reason, so you have to decide if it's worth it to you to take the financial hit of buying a new car in general vs. keeping the one you have. That's something we can't really answer.

    So, for your basic question, what is the expected mileage on the Prius? Hard to say exactly, even though you did a good job describing the basics - location, driving type, driving style. It sounds like you drive reasonably well for the Prius and the city streets (speeds under 50mph, under 40mph is even better) plays into its favor. But then there's all the A/C used in L.V. I would say 50 mpg would be a safe estimate, the CA folks would probably give you a closer value (probably higher, but I don't want to overpromise).

    Depreciation won't be a big factor. Current rates are tracking other Toyota vehicles I believe. There had been virtually no depreciation at all of the 2004+ model while there was still a significant waiting list to buy one. I'm sure there's quite a few folks interested in a used Prius, including the truly thrifty ones that won't buy a new car. But even if the new model is a significant improvement (like in 2004), that doesn't make the old ones bad. The old worries about battery replacement costs are rapidly diminishing.

    That's my take on it. If you're going to buy a new car anyway, the Prius is a financially sound purchase. But if the whole point is to save money, you don't buy new.
     
  9. jeff716a

    jeff716a New Member

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    <div class='quotetop'>QUOTE(nerfer @ Jan 31 2007, 10:56 AM) [snapback]383388[/snapback]</div>
    Thanks, you guys are really helpful and I appreciate it. Basically I'm not worried about losing $1k to 2k in the trade in --> new Prius. I was considering changing some stuff in my Civic that for parts alone would cost $1,200, then my friend suggested since my Civic looks shockingly brand new still (there aren't even any spots on the floor mats), why not just get a new car? I hadn't even really thought about it, but I'm actively considering that now. It seems like they're really pushing to sell Priuses right not, the dealership is aggressively trying to give me 1% over invoice pricing plus 24 months 0% APR. The APR is what would totally even out what I'm currently paying for my Civic, of course today is actually the last day of that deal, so it might not work out. But as long as I'm not losing like $4k, I don't mind so much.
     
  10. Drifter

    Drifter Member

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    One thing no one has mentioned yet is that milage varies greatly depending on the length of your trips. If you usually drive at least 20 minutes when you go somewhere then the estimates above are probably accurate. But if you have a lot of short trips then you will get significantly lower milage.
     
  11. gjertsen

    gjertsen Junior Member

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    <div class='quotetop'>QUOTE(Drifter @ Jan 31 2007, 03:28 PM) [snapback]383470[/snapback]</div>
    That's exactly what I was going to say. I would estimate you maybe would get 45 mpg max if you aren't really trying to drive differently and your daily commute is less than half an hour one-way.

    The warm weather in Las Vegas is helpful, overall, I would think.