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Toyota and 0w-20 #4663728
02/12/18 11:22 AM
02/12/18 11:22 AM
Joined: Sep 2015
Posts: 873
California
mbacfp Offline OP
mbacfp  Offline OP
Joined: Sep 2015
Posts: 873
California
Been curious about this for a while now. My wife's Toyota Sienna requires 0w-20, but the book says you can use 5w-20 in an emergency, but must change back to 0w-20 next OCI. Other than cold start properties and higher PAO in 0w-20, why would using a 5w-20 vs 0w-20 in California be a problem. For the record, not planning on switching away from 0w-20. What is it with 5w-20 vs 0w-20? Just curious. Thanks.

Last edited by mbacfp; 02/12/18 11:23 AM.

2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: Toyota and 0w-20 [Re: mbacfp] #4663738
02/12/18 11:28 AM
02/12/18 11:28 AM
Joined: Apr 2017
Posts: 394
Mississippi
Speak2Mountain Offline
Speak2Mountain  Offline
Joined: Apr 2017
Posts: 394
Mississippi
I switched over to a 5w in my wife's Sienna. We're in the sunny south so 5w oil would be better now that we're approach 150K.
I'll be honest, we used 0w Toyota oil for years, no problems yet I see 0 (zero) discernible differences in mpg, smoothness, quietness, and seat of pants horsepower.

Re: Toyota and 0w-20 [Re: mbacfp] #4663742
02/12/18 11:31 AM
02/12/18 11:31 AM
Joined: Sep 2015
Posts: 873
California
mbacfp Offline OP
mbacfp  Offline OP
Joined: Sep 2015
Posts: 873
California
Thanks for the info. Speak2Mountain. Might use my stash of 5w-20 for Sienna if I ever sell my car early. Curious if Toyota knows something we don't on 5w vs 0w. Appreciate it.


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: Toyota and 0w-20 [Re: mbacfp] #4663746
02/12/18 11:33 AM
02/12/18 11:33 AM
Joined: Nov 2008
Posts: 868
Oklahoma
CELICA_XX Offline
CELICA_XX  Offline
Joined: Nov 2008
Posts: 868
Oklahoma
I believe the 0w-20 requirement is because they are encouraging a synthetic oil.

I think a 5w-20 synthetic would also be fine.


15 Toyota Prius - M1 EP 0w20
02 Toyota ECHO - Valv MaxLife Full Syn 5w30
97 Lexus LX450 - M1 0w40
93 Lexus LS400 - Valv MaxLife Full Syn 5w30
Re: Toyota and 0w-20 [Re: mbacfp] #4663749
02/12/18 11:35 AM
02/12/18 11:35 AM
Joined: Nov 2008
Posts: 12,519
NH
supton Online content
supton  Online Content
Joined: Nov 2008
Posts: 12,519
NH
At engine temp, 5W20 and 0W20 should be the same thing. Only matters as temps head south.

I thought the 5W20 could be made from conventional oil, while 0W20 basically "forces" the oil maker into a synthetic? As in, in order to hit the specs, it has to qualify as a synthetic.


2011 Toyota Camry, base, 2.5L/6MT, 163k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 144k, ours
1999 Toyota Camry LE, 2.2L/4AT, 187k, his
Re: Toyota and 0w-20 [Re: mbacfp] #4663764
02/12/18 11:44 AM
02/12/18 11:44 AM
Joined: Sep 2015
Posts: 873
California
mbacfp Offline OP
mbacfp  Offline OP
Joined: Sep 2015
Posts: 873
California
Might be the PAO % for their 1 year 10,000 OCI with 0w-20. Good point supton.


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: Toyota and 0w-20 [Re: supton] #4663784
02/12/18 11:57 AM
02/12/18 11:57 AM
Joined: Oct 2010
Posts: 8,775
Virginia Beach
Astro14 Online content
Astro14  Online Content
Joined: Oct 2010
Posts: 8,775
Virginia Beach
Originally Posted By: supton
At engine temp, 5W20 and 0W20 should be the same thing. Only matters as temps head south.

I thought the 5W20 could be made from conventional oil, while 0W20 basically "forces" the oil maker into a synthetic? As in, in order to hit the specs, it has to qualify as a synthetic.


Thatís what I thought, too...


32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Pennzoil Ultra
Re: Toyota and 0w-20 [Re: supton] #4663786
02/12/18 11:57 AM
02/12/18 11:57 AM
Joined: Aug 2004
Posts: 19,987
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 19,987
CA
Originally Posted By: supton
At engine temp, 5W20 and 0W20 should be the same thing. Only matters as temps head south.

I thought the 5W20 could be made from conventional oil, while 0W20 basically "forces" the oil maker into a synthetic? As in, in order to hit the specs, it has to qualify as a synthetic.


There are many synthetic blend 0w20 oils on the market. CP/76 makes a bunch of them. Pennzoil makes a 0w20 in their gold line as well.

Last edited by The Critic; 02/12/18 11:58 AM.

2011 Toyota Prius - 173k - Various 0W-20 (Brew)
2007 Honda Accord 2.4 - 131K - Mobil 1 EP HM 5W-30
Re: Toyota and 0w-20 [Re: mbacfp] #4663808
02/12/18 12:13 PM
02/12/18 12:13 PM
Joined: Dec 2006
Posts: 18,614
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline
Joined: Dec 2006
Posts: 18,614
Dallas,Tx USA
I've noticed by looking at product data sheets that 0W20's are a little bit thicker at operating temperatures than 5W20's.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W20

Re: Toyota and 0w-20 [Re: mbacfp] #4663818
02/12/18 12:19 PM
02/12/18 12:19 PM
Joined: Sep 2004
Posts: 7,510
Marshfield , MA
andyd Online content
andyd  Online Content
Joined: Sep 2004
Posts: 7,510
Marshfield , MA
If the 0w20 delivers the barest bit of MPG gain, that is reason enough. I get that, but are there oil pressure dependent variable valve timing widgets or chain guides that require such a thin oil? I drank the Toyota coolaid, simply by noticing what my extended family drives. I'm a motor head, but I'm blissfully ignorant of the workings of the side wise 4 banger, wrong wheel drive appliance. Does it really have electric steering? When I changed the hot oil, the watery stuff didn't give me the warm fuzzies that a 10w or a 20w does.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Toyota and 0w-20 [Re: andyd] #4663847
02/12/18 12:48 PM
02/12/18 12:48 PM
Joined: Jul 2008
Posts: 826
Iowa
fsskier Offline
fsskier  Offline
Joined: Jul 2008
Posts: 826
Iowa
Agreed: If it delivers even slightly better mileage than its worth it! My 2008 Sienna has now completed 160,000 miles with the exclusive use of 0W20 Mobil 1. As the Sienna is a "constant tow vehicle for a commercial operation, towing well above its factory recommendation, it seems that the 0W20 offers excellent protection against wear. The oil still reads full when I change at 10,000 mile intervals.....seems like new.....so I certainly will continue.
Oh, and it was -10 f this morning.....dang the engine spins like summertime when you hit the starter!

Re: Toyota and 0w-20 [Re: mbacfp] #4663883
02/12/18 01:26 PM
02/12/18 01:26 PM
Joined: Apr 2008
Posts: 37,091
Ontario, Canada
OVERKILL Offline
OVERKILL  Offline
Joined: Apr 2008
Posts: 37,091
Ontario, Canada
Toyota's 0w-20 does not have any appreciable amount of PAO in it according to the MSDS (at least the Mobil version). It's predominantly Group III:



2018 RAM 1500 Big Horn EcoDiesel
2016 Grand Cherokee SRT
Re: Toyota and 0w-20 [Re: fsskier] #4663911
02/12/18 02:03 PM
02/12/18 02:03 PM
Joined: Jan 2011
Posts: 2,939
PV Az
AZjeff Offline
AZjeff  Offline
Joined: Jan 2011
Posts: 2,939
PV Az
Originally Posted By: fsskier
My 2008 Sienna has now completed 160,000 miles with the exclusive use of 0W20 Mobil 1. As the Sienna is a "constant tow vehicle for a commercial operation, towing well above its factory recommendation, it seems that the 0W20 offers excellent protection against wear. The oil still reads full when I change at 10,000 mile intervals.....seems like new.....so I certainly will continue.


There must be some mistake... that watery oil can't possibly do that!


86 Samurai 1.3 leftovers
14 RAV4 2.5 5W-20 PP
16 Silverado 1500 4.3, DI, AFM 5W-30 PP

The most important thing to do in your life is to not interfere with someone else's life. - Frank Zappa

Re: Toyota and 0w-20 [Re: andyd] #4664046
02/12/18 04:37 PM
02/12/18 04:37 PM
Joined: Oct 2004
Posts: 5,734
Texas, Mentone for work, Galve...
Bryanccfshr Offline
Bryanccfshr  Offline
Joined: Oct 2004
Posts: 5,734
Texas, Mentone for work, Galve...
Originally Posted By: andyd
If the 0w20 delivers the barest bit of MPG gain, that is reason enough. I get that, but are there oil pressure dependent variable valve timing widgets or chain guides that require such a thin oil? I drank the Toyota coolaid, simply by noticing what my extended family drives. I'm a motor head, but I'm blissfully ignorant of the workings of the side wise 4 banger, wrong wheel drive appliance. Does it really have electric steering? When I changed the hot oil, the watery stuff didn't give me the warm fuzzies that a 10w or a 20w does.


The same engines in other countries(except us and Canada) but including Puerto Rico still use a temperature chart for oil viscosity recommendations.
The engine will operate fine at a wide range of viscosities. Hydraulic pressure operated timing controls and that is tolerant.
That being said you can not go wrong running 0w20 all the time. Or 0w40 or 5w30.as long as it is appropriate for the service.


2018 Trd Pro 4Runner M1 0w40
2018 Tacoma off-road Castrol 5w30 Magnatec
Re: Toyota and 0w-20 [Re: mbacfp] #4664093
02/12/18 05:32 PM
02/12/18 05:32 PM
Joined: May 2014
Posts: 3,656
Columbus,Nebraska
Yah-Tah-Hey Offline
Yah-Tah-Hey  Offline
Joined: May 2014
Posts: 3,656
Columbus,Nebraska
WHY??? would you use a 5W-20 when you can use a 0W-20???

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