Oil: Synthetic Vs Regular - Hyundai Forums : Hyundai Forum
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post #1 of 8 (permalink) Old 08-17-2009, 12:21 PM Thread Starter
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I just bought a used 2008 Tucson GLS 4 cyl with 21000km on it (I take possession on Friday the 21st). I was talking over maintenance with my father in law who said that he recently made the switch from regular oil to synthetic and it very satisfied. He's running a GM Sienna truck.

He says that although synthetic costs more at the till, he only needs to change twice a year. I do all my own oil changes but have always used regular oil. If I can get away with changing only twice a year instead of every 5000km, I can't say I would mind.

Does any one have any experience with synthetic oil on the Tucsons? As I don't know what kind of maintenance the previous owner did on the vehicle, I'll most likely be changing the oil over the weekend just to make sure I get off on the right foot with the vehicle.
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post #2 of 8 (permalink) Old 08-18-2009, 12:04 AM
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Hmmm Idk about changing your syn oil 2 times every year. I hear lots of people changing it at every 7500miles or maybe at most 10,000miles imho. Don't think of synthetic oil as a lazy way out of changing your oil because syn oil is mostly used if you either have a performance car, you plan to keep your car for a while and want to use the best protection for your engine, or you drive really hard.
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post #3 of 8 (permalink) Old 08-22-2009, 03:46 PM
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On UK 2.0 diesel engined Tucsons and their petrol counterpart Hyundai now recommend Synthetic oil to comply with grade C3 so although it is very expensive here around $Can 85 a change Yes honestly 45-50 for 5 litres, we have to comply or lose warranty.

Sa la vie it runs great on it and fuel consumption raises too and oil changes are at 10k miles- Modern engines and our climate every 10k is ok for changing the oil any less would be a waste as the synthetic stuff keeps its shape longer than mineral oils.
I cannot for the life of me see why Hyundai US want more oil changes a year unless thats how they make their money out of US and Canadian buyers.

You want running improvements, more mpg a bigger smile on your face change to Synthetic.


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post #4 of 8 (permalink) Old 08-27-2009, 06:24 AM
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Some companies are making the switch to synthetic oil for all their models. Volkswagen for example, as of 2010, requires synthetic oils for ALL their models. (EVEN models that didn't required it in 2009 like Golf City and Jetta City). They also changed the maintenance intevals from 8000kms to 15000kms on all models except Routan which are at 10000kms.
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post #5 of 8 (permalink) Old 08-27-2009, 06:50 AM
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Synthetic is great and it doesn't degrade very much. It's especially good when it gets a little old. But because it has more detergents, it will clean out gunk and metals, thus clogging the oil filter faster. The recommendation is to still change the filter every 3000 miles and add some new oil to make up the loss. This ensures that there is still plenty of detergents, the oil remains clean, and the filter continues to filter like it should. It is not recommended to break in the engine with synthetic, however. Better to drive the first year with dino oil. I switched to synthetic, change the filter every 3000 miles, and expect it to last 10,000 miles.

It's not recommended to switch to synthetic if your engine is old, and you didn't change the oil enough or on time. The harsh detergents will loosen the gunk deposits and clog your oil ports, leading to all kinds of problems.

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post #6 of 8 (permalink) Old 08-29-2009, 08:27 PM
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I use synthetic oil in all my vehicles.....always have....always will....
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post #7 of 8 (permalink) Old 09-17-2009, 07:25 PM
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The only true way to tell how an oil is holding up in your specific vehicle with your specific conditions is to have a sample of the used oil analyzed. Is that $20-40 worth it for a passenger vehicle? For the sake of science and curiosity yes, that's about it. May as well use that $ for an oil change IMO. Your modern day 5w30 or 5w20 can easily go 7500mi for your average driver of a newer vehicle. The oil life monitor in the 2005 Chevy Trailblazer 4x4 I used to own would go 12Kmi between OC's easily. I could never bring myself to go that long. The oil life monitor in my Odyssey and Cobalt typically went out to 7-8Kmi oil changes with ease.

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post #8 of 8 (permalink) Old 09-17-2009, 11:31 PM
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i go 25ooo miles on my oil. havent had a problem, get better gas mileage....and save money and help the enviroment....its a win win win for me and anyone else....
you can check out on my site for oil comparisons and take a look at bob the oil guys forums there is alot of info out there...and all point to the fact that synthetics save money and offer better protection than dino oil.

amsoil t-1 dealer...for all your synthetic automotive oil needs.........

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