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#2459253 - 12/11/11 01:40 AM Use of 5w20 in 2012 Civic
sir1900 Offline


Registered: 03/12/09
Posts: 734
Loc: Regina, Saskatchewan
I bought a 2012 Civic Sedan this week. It's recommended oil is the 0w20 but can use 5w20 if I want. Because 0w is a synthetic, are there any possible negative implications (long term) if I was to use 5w conventional during the summer?

The reason I am asking is, I've got about 15 jugs of 5w in QS and PYB on my shelf that I would like to use up. My question has nothing to do with the cost of conventional vs syn.

This is a spare vehicle for us so I don't anticipate we are going to put a lot of miles on the car. Thank you in advance for your responses.
_________________________
12 Honda Civic EX, Royal Purple 0W20 + CARQUEST Blue 84356
11 Lexus RX 350, Castrol EDGE 0W20 + Bosch 3972
04 Honda Accord V6, TGMO 0W20 + K&N HP-1010

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#2459256 - 12/11/11 01:47 AM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
david_ES2 Offline


Registered: 06/29/11
Posts: 571
Loc: Fresno, CA
Absolutely no harm will come.

Go ahead and use your 5w20 stash with confidence
_________________________
2004 Honda Civic EX - Amsoil ASM 0w20

2007 Honda Civic LX - PU 5w20


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#2459332 - 12/11/11 07:26 AM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
JavierG Offline


Registered: 06/11/11
Posts: 1112
Loc: Fresno, CA
No problem whatsoever. Both of those oils are excellent and should keep your Civic running fine year round.
_________________________
2007 Honda Ridgeline RTX - 87k mi - Pennzoil Ultra 5W-20, Bosch D+
1995 Acura Legend LS Coupe - 157k mi - unknown synthetic 5W-30, STP filter

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#2459336 - 12/11/11 07:34 AM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
Eddie Offline


Registered: 12/07/03
Posts: 6771
Loc: Florida, Cape Coral
If the owners manual states that 5w20 is OK then you will have no warranty concerns.
_________________________
CX5 Touring 2.5L :-)

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#2459358 - 12/11/11 08:22 AM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
Artem Offline


Registered: 10/30/10
Posts: 4373
Loc: Florida
If you're not putting a lot of miles on the Civic, it's going to take a pretty long time to get through your stash. grin2

The 2012 engine is basically the same as the R18 in my 07 EX minus a few internal upgrades for improved anti friction to increase MPGs, hence the 0w20 oil to go along with it.

5w20 should be no problem in the summer. I've ran 5w30 in my EX during the summer and the UOA showed excellent results. no harm done to the engine.
_________________________
2011 Toyota Avalon Limited 3.5L V6 - 52k - 5w30 Mobil 1

2014 RAM 3500HD work truck

2014 Mazda 3 hatch i Touring 2.0L & 6spd - Mobil 1 0w30

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#2459362 - 12/11/11 08:25 AM Re: Use of 5w20 in 2012 Civic [Re: Eddie]
Hounds Offline


Registered: 03/19/09
Posts: 423
Loc: Hither & Yon
Originally Posted By: Eddie
If the owners manual states that 5w20 is OK then you will have no warranty concerns.

The owner's manual states 0W-20, but IMHO it doesn't matter because: 1) within reason, it really doesn't matter what you run in a Honda engine; and 2) if you're really concerned about the potential of a later engine warranty claim -- virtually nil -- hang onto your receipts for 0W-20 and mix what you have with that until you've exhausted your 5W-20. (FWIW, I've been doing the latter w/5W-30 for years in three late-model Hondas.)


Edited by Hounds (12/11/11 08:29 AM)

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#2459506 - 12/11/11 12:04 PM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
ottotheclown Offline


Registered: 06/21/09
Posts: 2040
Loc: new york
The 0-20 is available as a blend I think. Not full syn.,blend available along with the full syn. Check out H&A accessories they sell both blend and syn. here in NYC, oil change is $29 for bulk dino or $39 for 0-20 blend at the stealer.

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#2459509 - 12/11/11 12:07 PM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
SLCraig Offline


Registered: 12/21/08
Posts: 5300
Loc: London, ON, Canada
I would just use the 5w20 honestly..
_________________________
2010 Civic SI sedan 6MT
F1 Syn 5w30 | PureONE | Pennzoil MTF

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#2459706 - 12/11/11 04:12 PM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
The Critic Offline


Registered: 08/30/04
Posts: 17805
Loc: Walnut Creek, CA
I would use 0w-20 since it is a better oil. Slightly better fuel economy as well during warm-up.

My friend has 5500 on her 2012 Civic and is still on the factory fill. Computer is showing 50% oil life remaining and there is some nasty grit built-up on the cross-hatch area of the dipstick.

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#2459717 - 12/11/11 04:18 PM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
Merkava_4 Offline


Registered: 01/30/07
Posts: 9422
Loc: Clovis, CA
Now that 0W-20 has come out, everybody is afraid to use 5W-20. duh

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#2459762 - 12/11/11 04:53 PM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
sir1900 Offline


Registered: 03/12/09
Posts: 734
Loc: Regina, Saskatchewan
In relative terms, it seems the 5W20, being so "new", is all of a sudden somewhat obsolete and is being replaced by 0W20 all for the sake of a few MPGs. Not saying it's a bad thing unless it's costing people considerably more for each oil change they do -- that's when I have a problem with it. Example: 2010 Lexus RX oil change is around $60, unless you have a 2011 -- the price jumps to $90 at the dealership. Both have the exact same engines. I'm not sure if the $30 extra for 0W in the 2011 will translate into the cost savings at the pump seeing that all models sold in Canada have a 5k OCI requirement.

I think I will try to use as much of the 5W as I can in both my Lexus and Civic during the summer. I don't anticipate it will affect the MPG by a whole lot anyway.

On a side note, I checked the prices at the Honda dealership on oil changes. The cost difference between a 5W and a 0W oil change is about $13, which is reasonable, IMO.
_________________________
12 Honda Civic EX, Royal Purple 0W20 + CARQUEST Blue 84356
11 Lexus RX 350, Castrol EDGE 0W20 + Bosch 3972
04 Honda Accord V6, TGMO 0W20 + K&N HP-1010

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#2459778 - 12/11/11 05:09 PM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
ottotheclown Offline


Registered: 06/21/09
Posts: 2040
Loc: new york
Firestone and Honda use oil from Conoco. Firestone uses the blend with Titanium, Honda uses a 0-20 Blend without Titanium. Both made by Conoco. The Firestone oil change with coupon is $19 with filter. Not such a great deal!! this Honda oil blend??

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#2459782 - 12/11/11 05:10 PM Re: Use of 5w20 in 2012 Civic [Re: ottotheclown]
The Critic Offline


Registered: 08/30/04
Posts: 17805
Loc: Walnut Creek, CA
Originally Posted By: ottotheclown
Firestone and Honda use oil from Conoco. Firestone uses the blend with Titanium, Honda uses a 0-20 Blend without Titanium. Both made by Conoco. The Firestone oil change with coupon is $19 with filter. Not such a great deal!! this Honda oil blend??

Firestone only stocks Kendall GT-1 5w-30.

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#2459894 - 12/11/11 07:14 PM Re: Use of 5w20 in 2012 Civic [Re: ottotheclown]
CATERHAM Offline


Registered: 11/18/05
Posts: 9623
Loc: Burlington, Ontario, Canada
Originally Posted By: ottotheclown
The 0-20 is available as a blend I think. Not full syn.,blend available along with the full syn. Check out H&A accessories they sell both blend and syn. here in NYC, oil change is $29 for bulk dino or $39 for 0-20 blend at the stealer.

In Canada the Honda/Acura 0W-20 is made by Idemitsu; it's a full synthetic, has a 200 VI and a boatload of moly.
_________________________
74 Lotus Europa 5W-50
86 Porsche 928S TGMO 0W-20 25%/M1 0W-40
96 BMW 328i Idemitsu/TGMO 0W-20 70%/M1 0W-40
94 Caterham 7 Sustina 0W-20 80%/0W-50

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#2459909 - 12/11/11 07:25 PM Re: Use of 5w20 in 2012 Civic [Re: sir1900]
Patman Offline



Registered: 05/27/02
Posts: 19287
Loc: Oakville, Ontario
The manual states 0w20, so I'd stick with that if I were you. Do not be afraid of 0w20, it's better than 5w20 in many ways and the price of the Honda 0w20 at the dealers up here isn't that much higher than the price of 5w20 conventionals!
_________________________
2005 Corvette (M1 5w30 & Fram Ultra)
2006 Civic EX Coupe (M1 0w20 & Fram Ultra)
2010 BMW 328i X-Drive (M1 0w40 & Mann filter)

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