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#4677594 - 02/25/18 11:36 AM ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar?
A1ex Offline


Registered: 02/25/18
Posts: 2
Loc: UK
Hi guys,

Would it be ok to use Mobil 1 0w-40 Fully Synthetic (ACEA A3/B4) for the Volvo V60 Polestar (2015 model with 3.0 Ltr straight 6 turbo engiine - 350 hp). The manual suggests ACEA A5/B5 0w-30 oils like Castrol Edge Titanium. Will 0w-40 be ok? I prefer Mobil 1 due to having used it in multiple cars in the past but don't want to do something horribly wrong. I also have quite a supply of Mobil 1 and don't really want to buy new oil. If it is usable, will there be a drop in fuel economy or the way the engine behaves?

Any advice appreciated.

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#4677597 - 02/25/18 11:40 AM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
4WD Offline


Registered: 09/21/10
Posts: 6418
Loc: Texas
Originally Posted By: A1ex
Hi guys,

Would it be ok to use Mobil 1 0w-40 Fully Synthetic (ACEA A3/B4) for the Volvo V60 Polestar (2015 model with 3.0 Ltr straight 6 turbo engiine - 350 hp). The manual suggests ACEA A5/B5 0w-30 oils like Castrol Edge Titanium. Will 0w-40 be ok? I prefer Mobil 1 due to having used it in multiple cars in the past but don't want to do something horribly wrong. I also have quite a supply of Mobil 1 and don't really want to buy new oil. If it is usable, will there be a drop in fuel economy or the way the engine behaves?

Any advice appreciated.


My friend roads and tracks his 2014 Porsche on that stuff I think so

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#4677742 - 02/25/18 02:14 PM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
Linctex Online   content


Registered: 12/31/16
Posts: 6170
Loc: Waco, TX
Originally Posted By: A1ex
Would it be OK to use Mobil 1 0w-40 Fully Synthetic (ACEA A3/B4)


Yes. It is outstanding oil.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4677756 - 02/25/18 02:23 PM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1139
Loc: Winchester, Indiana
You do know the Mobil 1 0W40 formula has changed...?

That said, it should still be fine. Although 0W30 would be perfectly good especially since it's recommended.

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#4677757 - 02/25/18 02:23 PM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4078
Loc: North Carolina
I'm using an A3/B4 in my XC60. I can't be bothered to find an A5/B5 just to save half an mpg.
_________________________
"Zed's dead baby, Zed's dead."

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#4677782 - 02/25/18 02:59 PM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
FermeLaPorte Offline


Registered: 07/25/17
Posts: 472
Loc: Texas (south)
I am starting to think 0w-40 oils are OK if you gonna run it once in a while. 0w-30 if you care about fuel economy.
_________________________
Always Mobil 1
2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.

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#4677796 - 02/25/18 03:12 PM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
A1ex Offline


Registered: 02/25/18
Posts: 2
Loc: UK
Thanks so far guys. The car is a daily driver if that helps. So from an economy viewpoint the A5/B5 0w-30 is better?

What is ultimately better for the engine?

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#4677803 - 02/25/18 03:17 PM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4078
Loc: North Carolina
Originally Posted By: A1ex
Thanks so far guys. The car is a daily driver if that helps. So from an economy viewpoint the A5/B5 0w-30 is better?

What is ultimately better for the engine?

The main difference, as I understand it, between A5/B5 and A3/B4 is HTHS. I'm pretty firmly in the "thicker is better" camp. Within reason, of course.

I'm not sure you'll actually find a difference in everyday fuel economy between the two.
_________________________
"Zed's dead baby, Zed's dead."

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#4677812 - 02/25/18 03:36 PM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
tenderloin Offline


Registered: 12/16/02
Posts: 6521
Loc: Huntington Beach, CA
My son has a T6 R Design. I use 5W30 Pennzoil Ultra which is A5/B5 rates as recommended by Volvo. $25 at Walmart. Sometimes Amazon matches or beats the price as well

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#4678383 - 02/26/18 05:46 AM Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex]
SR5 Online   content


Registered: 07/07/15
Posts: 4471
Loc: Down Under
M1 0W40 should work fine, I can't see it causing any problems.
_________________________
Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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