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Old 11-18-2020, 02:23 PM   #1
Drives: 2009 Yaris--3dr MT
Join Date: Jan 2011
Location: Ohio
Posts: 507
Pennzoil Ultra Platinum full synthetic

Hi Yarisworlders. So I've been using Pennzoil Ultra Platinum Full Syn lately, and usually change my oil every 5,000 miles. Since it's full synthetic, I always read that I can extend the oil change intervals. I'm thinking about changing my oil every 6,000 miles. For those who use full synthetic, is this acceptable if I want my car to last a long time, or should I stick with 5,000 mile oil change interval with full synthetic oil? Thanks.
bentjazz is offline   Reply With Quote
Old 11-18-2020, 04:07 PM   #2
Drives: Yaris
Join Date: Apr 2020
Location: US
Posts: 3
probably depends on your driving conditions. if you live in a dirty/dusty area or do all city stop and go driving id stick with 5. if not, 6 should be fine with synthetic, I stick with 5k personally mostly city/highway mix driving.
iOLO is offline   Reply With Quote
Old 11-19-2020, 06:34 AM   #3
Drives: Yaris 2007 1.3 2SZFE 64kW
Join Date: May 2012
Location: CZ
Posts: 219
I do not think it matters. 5k or 6k miles - no difference. Some people drive 10k miles which is too much though. Some oils declare they can last even 20k miles but I would never ever do this to any gas engine.
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Old 11-21-2020, 10:58 AM   #4
Drives: 2015Yaris, Son's car, 10 Prius
Join Date: May 2010
Location: Texas
Posts: 165
The best way would be to do an oil analysis.

But I don't change the oil until 10k with synthetic and never a problem. No oil burning etc and have gone many many miles. I do use a Toyota oil filter though.
alanwagen is offline   Reply With Quote

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