- #273 of 1006
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Re: Hyundai 2009 Sonata Break-In Period CONFLICT with Auto Transmission [ba [moocow1]
by backy
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May 26, 2008 (12:20 pm)
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Replying to: moocow1 (May 26, 2008 12:07 pm)
Have you tested the FE at 55 and at 70 mph, on level ground? I'll bet you'll find there's a significant difference. Maybe with that 5-speed it'll run 1500 RPMs at 55.
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- #274 of 1006
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Re: Hyundai 2009 Sonata Break-In Period CONFLICT with Auto Transmission [backy]
by bhmr59
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May 26, 2008 (2:52 pm)
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Replying to: backy (May 26, 2008 12:20 pm)
When the 55 MPH national speed limit was forced upon us, my car at the time was a '71 Volvo 1800E, 4 speed + electronic overdrive. (4 cyl, 121 cid, 130 hp). Engine revs were the same at 71 MPH in overdrive as they were at 50 MPH in 4th gear. At 55 mph I couldn't use overdrive as the revs were too low and would foul the engine (had to keep the revs  2K when maintaining speed).
I think your example of an aggressive driving test is more an example of accelerating, braking, accelerating, etc, rather than driving at a relatively steady speed.
Back to my great old 1800E, on a highway trip of 350 miles (notwithstanding wind resistance) it just seems that 5 hours at 70 mph vs 7 hours at 50 mph would result in better mpg at the higher speed in the higher gear.
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- #275 of 1006
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Re: Hyundai 2009 Sonata Break-In Period CONFLICT with Auto Transmission [20
by dgs4
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May 26, 2008 (3:08 pm)
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Replying to: 2002slt (May 26, 2008 7:07 am)
"In IL you would get a ticket for impeding traffic. Drive the speed limit, or get off the road."
Well I don't live in IL, I live in TX and the speed limit here is 60 mph. Driving 5 mph under that limit is hardly impeding traffic. It's called a "speed limit" for a reason, meaning it's the fastest you're legally allowed to drive. It doesn't mean you have to drive that fast. I wouldn't care if the speed limit was 65 mph, I would still drive 55 mph. As far as I'm concerned as long as I'm in the far right lane, if you don't like how fast I'm driving then go around me. I'm not going to speed up and waste my money to accommodate some impatient motorist behind me in a big rush to go nowhere.
Hey, if people want to go flying around at 80 mph wasting gas that's their prerogative. However for every mile per hour faster than 55 mph, fuel economy drops by about 1 percent, and the drop-off increases at a greater rate after 65 mph. So with gas prices dangerously close to $4.00 a gallon I will take every bit of gas savings I can get. And if it means driving 55 mph instead of 80 mph and taking a little longer to get to my destination, then so be it. Unless you work in a job that requires you to drive, then time does not equal money. My priority now is to save money on gas, and I will do everything I can to make that happen.
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- #276 of 1006
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Re: Hyundai 2009 Sonata Break-In Period CONFLICT with Auto Transmission [backy]
by craigbrooks
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May 26, 2008 (4:16 pm)
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Replying to: backy (May 26, 2008 8:29 am)
I honestly don't believe and I hope the 55 limit does not come back. Montana is a big state with lots of road between cities.
Pray people.....pray to the gas gods. 
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- #277 of 1006
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Re: Hyundai 2009 Sonata Break-In Period CONFLICT with Auto Transmission [craigbrooks]
by backy
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May 26, 2008 (4:31 pm)
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Replying to: craigbrooks (May 26, 2008 4:16 pm)
I hope not either, at least not on the Interstate system in the bigger states. I lived in TX so I know what you mean about lots of road between cities.
But speaking of that 2009 Sonata... that would be a nice car to take on a cross-country cruise, huh? 
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- #278 of 1006
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Re: Hyundai 2009 Sonata Break-In Period CONFLICT with Auto Transmission [ba
by stone77777
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May 26, 2008 (8:43 pm)
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Replying to: backy (May 26, 2008 4:31 pm)
I picked up my 2009 I4 LTD two days ago and absolutely love it. Black with camel interior...the charcoal interior just didnt do it for me. Took it on a mini road trip and was surprised at how smooth and elegant the I4 is. Thought about getting the v6 but didnt want to part with the extra coin. Been drooling over this car for a couple of months and couldnt be happier with the purchase. This is a major improvement over the previous versions of the Sonata and Im so glad I didnt buy one last year but waited for the refresh. And, Backy...I am taking mine on a cross country trip in July...cant wait!
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- #279 of 1006
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Re: Hyundai 2009 Sonata Break-In Period CONFLICT with Auto Transmission [20 [dgs4]
by alamocity
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May 26, 2008 (10:35 pm)
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Replying to: dgs4 (May 26, 2008 3:08 pm)
Wow, what part of TX are you from? Curious as I see the speed limit as anywhere from 60 to 80 MPH, with the bulk of the highways being 70 MPH, even in town the speed limit is 65.
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- #280 of 1006
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Re: Hyundai 2009 Sonata Break-In Period CONFLICT with Auto Transmission [ba
by moocow1
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May 26, 2008 (10:42 pm)
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Replying to: backy (May 26, 2008 12:20 pm)
Unfortunately I am not the type to ever do that test. I prefer using my car to get where I need to go. Maybe someone else here can spend some time testing between those speeds.
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- #281 of 1006
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09 V6 Sonata - Difference in MPG at 60 mph average vs. 75 mph average
by chrrmurp
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May 27, 2008 (5:57 am)
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Replying to: moocow1 (May 26, 2008 10:42 pm)
I have the 09 Sonata V6. I've noticed about a pretty significant difference in average MPG when my average speed is around 60 mph compared to an average speed of 75 mph. I typically drive about 6-7mph over the limit. I drive 300 miles per week on a highway where the limit is 70mph and then on most weekends I take a road where the limit is 55mph for about 150 miles. My average MPG on the 70mph highway (keep in mind I typically drive about 6-7mph over) is about 27-28mpg and on the 55mph road, it's around 34mpg (driving around 60 mph). That's about a 5-7 mile per gallon difference, which can really add up.
That being said, it does not slow me down when I drive in the 70mph zone. I agree with moocow1 that time is money. And to me, even though I do enjoy driving this car, driving is such a waste of time . There are so many other productive things I could be doing. I took gas prices into account when purchasing the V6 and I do not have any regrets. I love it.
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- #282 of 1006
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Re: 09 V6 Sonata - Difference in MPG at 60 mph average vs. 75 mph average [chrrmurp]
by moocow1
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May 27, 2008 (8:55 am)
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Replying to: chrrmurp (May 27, 2008 5:57 am)
Ah wait, you have the V6, that explains why your numbers seem a bit low. Still pretty good though! Ya there's definitely going to be some savings if you take the 50-55mph route. But I'm no hypermiler and I never will be. My philosophy is to be as efficient and fast as possible. Doing both well is hard, but it's a fun challenge.
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