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Yes, I just hit 10k this week, after driving 800-900 miles per week.. I use "Garu," our Sienna, for Uber/Lyft, and am looking forward to many more miles of service. Toyota should be paying me for all the advertising I'm providing. :)
Per Fuelly mileage tracking app, I've averaged 34.8 MPG the past ten tanks. (XLE w/ AWD)
I just had the 10k checkup at the dealer, and everything is running great.
I refused their oil change, because I use Amsoil & filters exclusively in my vehicles. (And "No," is the answer before anyone asks if using superior 100% synthetic oil voids the factory warranty. The federal Magnuson-Moss Warranty Act prohibits such nonsense.) I'm running 0w-20 in it now, and will do an oil analysis after 10k miles. The Signature Series oil will run for much longer than that, but I want to check on the engine health to stay on top of things.
I'll be needing tires in a year, but I'll prefer Costco for the free rotations & road hazard care. Hopefully they'll have some good fuel efficient offerings in a year.
 

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Agreed, I looked that over 0w-16 statement very closely too. The manual requires oil graded as "SN-Resource Conserving." My 0w-20 meets that. If other A25A-FXS engines use 0w-20, and Toyota "allows" 0w-20 every other oil change, then it cannot be maintained that 0w-20 harms the engine.
When I drained that initial, factory 0w-16 at 2k miles on the odometer, it came out as liquid and runny as if it were coffee. I am not impressed.
Given that I'm not an EPA mileage estimate enforcement officer, and instead, I'm responsible for paying my own car maintenance bills, I opted for 0w-20 Signature Series. (I'll certainly post back my oil analysis results on the forum for interested parties.)
I've read elsewhere that some take comfort that they've been using ow-16 in Japan for over a decade. However, in Japan, cars over two years old are heavily taxed, in order to keep their debt-based economy spiraling. They don't have broad experience with the demand for high mileage, long lasting vehicles.
 

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The toyota Master technician youtuber explained in detail why 0-16w should be used. From what I understand, since our engine is hybrid, we need the lesser viscosity oil since our engine keeps switching on and off. And when our engine is on, oil needs to be delivered fast, and using 0w-16 addresses this need.

I'll sure be waiting for that oil analysis though. I actually want to use the amsoil 0w-16 if it is priced similarly with OEM.
 

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The toyota Master technician youtuber explained in detail why 0-16w should be used. From what I understand, since our engine is hybrid, we need the lesser viscosity oil since our engine keeps switching on and off. And when our engine is on, oil needs to be delivered fast, and using 0w-16 addresses this need.

I'll sure be waiting for that oil analysis though. I actually want to use the amsoil 0w-16 if it is priced similarly with OEM.
Is it expensive?

I plan in using Kirkland 0w-16, box of 6 1qt bottles for around $15, and change every 5k miles or so.
 

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2021 Sienna Platinum AWD; 2013 Subaru Outback Limited
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I'm over 6000 miles now - Sienna is running great and has been awesome for our family!
Thank you for rescuing this thread from the "oil changing hole" it had fallen into :)

** ** ** ***

Exactly one year after the purchase clocked exactly 38,000 miles. While doing the dump run :)

Automotive tire Gadget Font Rim Audio equipment
 

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I see I have been summoned. I passed 100k on 5/16 at about 3pm. im now at 101233 as of 5/19/2022. I bought the van on June 2nd, of 2021.
Tire Automotive parking light Wheel Automotive tail & brake light Vehicle


as far as issues go, wear parts are wearing. rear shocks are completely blown out, gonna have to do another wheel bearing, I think another is already dying even though I just did one. might do all the 3 originals just to get them out of the way now and not die a slow death of changing them. my pull up sun shades for the sliding doors have some scrapes and gashes in them. one of the upper pegs got completely snapped off. I have a plastic panel under the van that was smashed by something(I don't recall driving over anything large, would have made a ruckus, and I didn't hear no ruckus). the driver seat is completely flat, but still comfortable enough. might look at replacing the seat cover and/or cushion soon if I can. The drivers door sill has a massive spot on the paint that is worn away from me stepping on it when I get out of the van(see picture). The interior in the rear is holding up okay, but obviously, since i use this for delivery, the rear plastic is beat up, but still haven't broken any pieces off. the rear fold down seat is still folded down, and hasn't moved since the day I bought it, literally never had an ass on it and looks like new. the mid row seats obviously were taken out, but the seat tracks were not. the mid row seats sit perfectly in my basement covered over by garbage bags, and again, look like new. the steering wheel buttons get shiny, and no matter how much I clean them, they don't go back to that matte look. you can see which buttons I use the most. the infotainment system still works. I have hit that screen a number of times with stuff and it hasn't broken, so there is that. the "pLeather" that covers the door arm rests, the bridge arm rests, and the lower dash board is hard to clean, and has been mostly worn flat on the drivers side from me resting my arms there. the glove box is beat up from me jamming boxes and shit in there. the passenger seat is near perfect, but has a mystery stain on it, since i don't often have passengers, and I don't put food over there, and I go thru the car wash several times a week, and it has free vacs, so I often suck out the crud. oh well. it still does not burn oil. hardly loses any between changes. I replaced the drain plug with a fumoto valve after the first oil change, game changer when you change your oil often, and also means way less mess, because I can just run it straight to the bottom of the pan. engine has not lost any mileage, as far as I can tell, I am on fuelly, and log every fuel up. im gonna have to log a correction, as the van came with 263 miles on it when my wife picked it up from the dealership. I turned the power sliding doors off within the first week, they are too slow, and I don't want them to break with 30+ open/close cycles per day. It eats the inside of all 4 tires, despite the alignment being "fine". i might take it to a different shop that was willing to get my old GM cargo van some custom alignment setup changes that let me get to about 120k per set of tires. so far, I have gone thru the OEM factory tires, plus a set of snow tires which may not get reused, and now a set of OEM FT140s that have about 35000 on them and are holding up okay.
 
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