Just bought a 2011 Buick Lacrosse and the dealer said they charge 35.00 for an oil change. I asked what kind of oil and was it synthetic. He said it was.
My question is this,is it a synthetic oil? And how does it compare to Mobile 1?

http://autos.aol.com/article/gm-engine-oil/

http://motoroilbible.com/blog/general-motors-dexos-motor-oil-spec/

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http://i193.photobucket.com/albums/z...-RESIZED-1.jpg
1991 300E - 212K and rising fast...

An oil change for my wife's Pontiac G8 GT, with Mobil 1, just set me back $85.

Of course, it holds almost nine quarts of oil. Still, I might check with the GM dealer to see if they have a flat price for a dexos oil change. You never know.

And for what it's worth... I used to run Mobil 1 in my 1984 VW Van. I changed oil every 25,000 miles and finally sold it with about 350,000 miles on it.

No engine problems due to oil. Head gaskets, though... If you have ever owned a water cooled Vanagon you know what I mean.

The Dexos is a synthetic with additives, therefore you'll end up at the dealer for an oil change. Thanks, GM!

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- Brian


1989 500SEL Euro
1966 250SE Cabriolet
1958 BMW Isetta 600

That sounds rather convincing,but i would like to see the comparison between Dexos and Mobile 1

It's GM's new oil spec which replaced all the older ones. Here is the official list, but realistically any GF5 5w30 would work fine.

http://www.gmdexos.com/licensedbrands.html

Quaker State Ultimate Durability Full Synthetic, Pennzoil Platinum, and Mobil 1 are some common oils on the list, if you want to DIY it you can usually find them on sale at one of the chain stores for about $30 for 5 quarts and a filter.

As for the change interval follow the OLM GM's is very good. My trucks goes off between 6k-8k, I would expect a new Buick would be around 10k-14k.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Hopefully it's not the oil version of Dexcool

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TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth

$35 is not a bad deal, that's what it cost me using Mobil one + filter and I have to crawl underneath the car.

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).

My first oil change at 5000 miles is free. So after 10000 miles i pay.

It's ILLEGAL under the MM act for G.M. to even try to tell you what oil to use
UNLESS they provide it to you FREE!

G.M. trying to Terrorize owners into driving into the Dark Hole of the Stealer's
Service Lane.

Nothing they can roll off the Production lines that won't run for Hundreds of
thousands of Miles on Mobil 1.

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'84 300SD sold
124.128

It's a fantastic deal especially for synthetic oil. Cheaper than the JiffyLube type places too I bet.

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1985 CA 300D Turbo , 213K mi

not just GM every car maker is that way.they just don't want you working on your own car period.

I wouldn't go that far without some sort of oil analysis to confirm it. I wouldn't want to wreck something.

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01 Ford Excursion Powerstroke
99 E300 Turbodiesel
91 Vette with 383 motor
05 Polaris Sportsman 800 EFI
06 Polaris Sportsman 500 EFI
03 SeaDoo GTX SC Red
03 SeaDoo GTX SC Yellow
04 Tailgator 21 ft Toy Hauler
11 Harley Davidson 883 SuperLow

Oil changes are a "loss leader". My shop manager friend told me it cost them $3 to do an oil change. Hence the "upsell".

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01 Ford Excursion Powerstroke
99 E300 Turbodiesel
91 Vette with 383 motor
05 Polaris Sportsman 800 EFI
06 Polaris Sportsman 500 EFI
03 SeaDoo GTX SC Red
03 SeaDoo GTX SC Yellow
04 Tailgator 21 ft Toy Hauler
11 Harley Davidson 883 SuperLow

Is it really a good idea to put synthetic oil in a new engine?

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1984 300SD Turbo Diesel 150,000 miles

OBK member #23

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