0w-20 or 5w-20
- Thread starter Bill_W
- Start date
Without knowing the car, the mileage, how it's driven, anything is a guess. My guess is it won't make a noticeable difference.
Here are a few threads to get you started, sorry if I included a duplicate. There are so many threads on this topic:
5w-20 and 0w-20
My CR-V calls for 0w-20. The wife's car is a 2009 Kia borrego v8 with 170k on it. Could I use the 0w-20 in both.
bobistheoilguy.com
0W20 vs 5W20 base oils
Do 0W20 oils always have higher quality base oils vs 5W20 oils (as I've read on here before)? Or is this a myth?
bobistheoilguy.com
5W20 VS 0W20
People used to say that a 0w20 required a better base oil than a 5w20. Anyone have any thoughts and especially data on differences? Interested in comparing Pennzoil Platinum oils. Ed
bobistheoilguy.com
0W20 syn vs 5W20 syn
Not sure if this is the correct forum to ask this question. Both oils being full synthetic. Does 0W20 full synthetic use a higher base stock oil(and other unseen additives) compared to a 5W20 full synthetic oil? I do see differences in same brands(between the 2 grades) but more closeness from...
bobistheoilguy.com
0w20 or 5w20
My 2009 corolla 1.8 says I can use either viscosity, but on every website oil selector shows 0w20. Not sure which I should use. I know that the cold weight is super close and the hot weight is the same. I know previous to 09, the engines used 5w30, and everything after calls for 0w20
bobistheoilguy.com
5w20 instead of 0w20?
hey guys, my f-sport is due for an oil change soon and i been thinking about switching to 5w20 instead of 0w20. currently i have edge EP ow20 in it, the 5w20 will be the same. it will be 5w20 edge EP. would it be okay to switch? with summer coming up, im thinking about go up one. thanks.
bobistheoilguy.com
0w20 or 5w20?
I just bought a 2004 Honda civic. It specs 5w20 but I was considering 0w20 year round. Will this be ok? What would be the better choice? I live in ny so it gets a little chilly during the winter. Also what 0w20 or 5w20 would be better? Pup or m1 ep
bobistheoilguy.com
0W20 instead of 5W20?
Hello gents and ladies here on BITOG, and I was wondering; could I use Mobil 1 0W20 instead of 5W20 in my 03' civic? I have mostly highway driving with very little city/stop and go driving. thank you in advance, Adam
bobistheoilguy.com
5w-20 instead 0w-20 ?
Hello guys,i have been using Shell 10w-30 oil in my vehicle for a long time, this oil is semi-synthetic so I want to replace it with a fully synthetic one. I want to use 0w-20 oil for fuel economy but the manufacturer recommends min. 5w-20 oil. Can I use 0w-20 oil on my car ? My car is Hyundai...
bobistheoilguy.com
0w 20 or 5w20?
I always use full synthetic in everything, even my push mower. I know this is over simplifying but, can I switch to 0w20 as an upgrade from 5w20? What is the downside? (Also from 5w30 to 0w30?)
bobistheoilguy.com
5W20 OK but 0W20 NOT OKAY?
http://www.automotiveforums.com/vbulletin/showthread.php?p=4265722 Toyota TSB saids 5W-20 is OK for the 1ZZ-FE engine (for my 2007 Corolla) and 0W-20 weight oil is okay for some other engines but apparently only approves 5W-20 for mine. My understanding was that 0W20 covers all 5W20...
bobistheoilguy.com
Try a "thick" 0w-20 like Mobil AFE or PU, both are 8.8 vis. .02
It is a 2019 Mazda Miata. Around the world there is different viscosities per to OM, the North American Mazda OM only recommends 0w-20 except for Mexico and they recommend 5w30 (in 2022 changed to 10w-30)
/thread
I agree but let me discuss my pre conceived view… Used to think a 0w rated oil meant the base oil was a higher quality than a 5w oil… Maybe I am incorrect in my thinking, what say you? And kschachn has brought up some valuable threads on this subject… Thanks.
I tend to favor the lesser spread (5W-20) as it usually uses a higher viscosity base oil, uses less VII, is less volatile, and a higher HTHS/HTFS. I would consider the 0W-20 only if I was having to start it in temps below 0°F.
Southern California here... Totally agree with you.
I run PUP 0w20 in winter and RP HPS 5w20 in summer. No reason, just got a bunch of RP left over from last car. Engine is less noisey with the RP, and smoother.
It won't make a warranty difference before it's expiration date. Use what you want. You could use 5w30 and not affect your warranty. In SoCal you could run a 10w30 and be fine. (If you could find it).
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