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Old 02-10-2005, 05:16 PM   #21
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

Regarding VWs, the diesel engine is an extra-cost option, and it won't pay for itself in fuel savings. The same can be said for hybrids.

My preacher has a diesel Beetle, but he says he got a deal and didn't have to pay extra for it. It was before the gas-mileage craze. He averages about 45mpg.
...
Past Saturns: 97 SL2, 01 SC2, 04 VUE, 08 Astra, 02 L200.
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Old 02-10-2005, 07:59 PM   #22
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

PHP Code:
Until fuel drops below $1.75/galwe are doing whatever we can to increase our fuel mileage
1.75!

Unless on your commute you go to the 1990's you will always be shifting at 1500. Gas isn't going to get that cheap again. AH the good old days
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Old 02-10-2005, 08:08 PM   #23
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

On my way back across country, operating at less than 10% throttle for whole tanks at a time, I got 43mpg from my DOHC AUTO!

I went, ahem, holy crap!
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Old 02-10-2005, 11:45 PM   #24
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

The best on my 96 SL2 manual was 38.3MPG. At about 72MPH, minimal A/C.

With the newer 27/38MPG rated SL2's, 40MPG should be EASILY accessible by:
-Using Fuel Power as an additive
-Using Shell's V-Power gas
Keep the EGR clean, use SM-rated 5w-30 oil, and don't drive into any headwinds !

I see marketed increases in MPG in this SL2 with V-power. Little to no difference on my V6 Vue. Go figure.
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Old 02-11-2005, 12:18 AM   #25
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

i get about 19 city and 23 freeway

my mpg suks
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Old 02-11-2005, 09:54 AM   #26
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

Quote:
Originally Posted by 94sc2boy
1.75!

Unless on your commute you go to the 1990's you will always be shifting at 1500. Gas isn't going to get that cheap again. AH the good old days
It was 1.78 here a couple weeks ago.
...
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Old 02-11-2005, 09:55 AM   #27
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

Quote:
Originally Posted by SimPlyxTriPPiN
i get about 19 city and 23 freeway

my mpg suks
Something is WRONG with your car then. Have it checked out, or search the tech forum for some possible solutions.
...
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Old 02-11-2005, 11:28 AM   #28
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

i got 35 mpg pure highway with my new to me '92 SL2 auto at 70-80 mph. i stopped a few times too. engine has 201,000 + miles on it.
...
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Old 02-11-2005, 01:51 PM   #29
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

Here's what I average in the summer with a 2002SL with auto trans.

City - 31.5mpg (7.5L/100km)
Highway - 48mpg (4.9L/100km)
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Old 02-11-2005, 02:08 PM   #30
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

My mileage seems to drop once i drive over 75mph. However always gets at least 35mpg on the highway no matter how fast i drive it even with the AC is on....'97 SL with a 5-speed. I don't drive the car easy...i shift at around 3k most of the time. Once i've gotten 38.5mpg on a trip with was proably 80% highway at 65mph and 20% stop-and-go in town. I'm pretty sure my '97 SL would pull off 40mpg if i kept it around 65 on the interstate with the AC off.

Also, i dont' have cruise control but proably will add it. Does cruise usually help the mileage?
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Old 02-11-2005, 03:07 PM   #31
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

Yes, using cruise control does increase your mileage.

I've attached my mileage log. The highest I've gotten is 37mpg, which wasn't all freeway. You can also see the gradual decrease as the seasons changed and winter came on full force. Extra idleing to warm up the car is NOT good for gas mileage
Attached Files
File Type: pdf MPG Log.pdf (15.8 KB, 10 views)
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Old 02-11-2005, 03:58 PM   #32
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

Quote:
Originally Posted by SimPlyxTriPPiN
i get about 19 city and 23 freeway

my mpg suks
Yes. My Turbo Daytona Shelby with 3000lbs and a 2.2L gets better gas milage than that.
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Old 02-12-2005, 02:13 AM   #33
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

Quote:
Originally Posted by 94sc2boy
1.75!

Unless on your commute you go to the 1990's you will always be shifting at 1500. Gas isn't going to get that cheap again. AH the good old days
Should have mentioned the other option... having enough income to not care about the price of fuel. At the moment, I only have $80 to $100 per month for fuel costs and the more we conserver fuel, the more spending money I have at the end of the month

Had a telephone interview for a good paying job this afternoon. Now I only need to do a great job on the techincal part of the process... basically a written test.... This job would require relocating to Wisconson. Then there is another great paying job I applied for that would not require any relocation... just a slightly longer commute than I've been accoustomed to.

BTW, on our last fillup, the fuel economy was 34.91 MPG, but that was at least 50% highway driving. The previous tank gave only 31.13 MPG for fuel economy with all city driving.

Eric & Genieve
2002 SC2m 35.4K mi.

http://www.GEMS-Family.net
http://www.GEMS-Family.net/WeightLoss
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Old 02-12-2005, 07:41 AM   #34
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

for me most of my highway driving is done at 70 MPH on a turnpike. I did some reading and most gas engines are efficient at 45-70 MPH. I also read that if you keep the car going at the same speed, the computer can better adjust for minor changes in air/fuel mixtures. So when i drive on the high way I drive at least 65 to 70 MPH and I am able to average 38 Miles/Gallon. I have been able, during the spring or fall when it isnt too hot, to obtain 42 Milles/Gallon by just running the fan and no A/C.
...
You say you just passed 100,000 miles.....well I guess it is time to take off the training wheels!
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Old 02-13-2005, 01:59 PM   #35
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

I get 40-45 MPG on the highway in the summer. (DOHC, 5-speed, no cruise control, 70-75mph, windows down, no AC) Of course it's a little worse (30-35 mpg) in the city or during the winter.

Strangely, my fuel economy has been getting better as my car gets older.
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Old 02-13-2005, 03:39 PM   #36
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

The SC2 Classic consistently got between 38 and 42 mpg all-highway when I was driving it ... also consistently 30-33 mpg city driving ...
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Old 02-13-2005, 03:40 PM   #37
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

You can fit the base 14" steel wheels on a Sx2. I harvested the 15" aluminum ones from an SL2 I was getting rid of to use on my SW1... Guess what the SL2 rolled on after that? Yup, 175/70/14s.

The difference in MPG on the SW1 has been negligible (<1mpg at 40mpg summers) with the 15" wheels and stock SL2 tire size (195/65/14?) So the downgrade in performance comes with little benefit, if any, in mileage, tirewise.
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Old 02-13-2005, 10:05 PM   #38
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

My current signature says it all; note below
...
> 95 SL 2 = 653,369 Miles 40.4 MPG, as of 5/20/11. My manual Radiator Fan Switch, courtesy of Wolfman's patient installation guidance, continues to be.......invaluable < The car was retired
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Old 02-13-2005, 10:43 PM   #39
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

Ah, Luke... no signatures...

For the record, neither of my 2 SL2s are able to get 40 MPG. I've gotten as high as 38. One of my two SL1s would get around 40. However, the gasoline in MN is required to have 10% ethanol in it, so that drops the fuel mileage some.

If you bump the air pressure in the tires a bit higher than normal, use synthetics in the engine oil and transmission, remove unnecessary weight from the cabin/trunk and drive optimally for mileage - that 40 MPG is possible. Unfortunately, driving for mileage is sometimes not practical or safe in the real world..
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Old 02-18-2005, 01:24 AM   #40
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Default Re: getting beyond 40 mpg in a saturn sX2 whose done it?

here's my latest thinking:
-spend $10 for a replacement gas cap (per recent thread)
-spend $20 or so for ects
-monitor the improvements and adjust my plans according to how much improvement I get on mpg with these 2 repairs.
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