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ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? #4677594
02/25/18 12:36 PM
02/25/18 12:36 PM
Joined: Feb 2018
Posts: 2
UK
A1ex Offline OP
A1ex  Offline OP
Joined: Feb 2018
Posts: 2
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.

Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4677597
02/25/18 12:40 PM
02/25/18 12:40 PM
Joined: Sep 2010
Posts: 6,987
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 6,987
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

Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4677742
02/25/18 03:14 PM
02/25/18 03:14 PM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
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."
Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4677756
02/25/18 03:23 PM
02/25/18 03:23 PM
Joined: May 2012
Posts: 1,333
Winchester, Indiana
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,333
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.

Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4677757
02/25/18 03:23 PM
02/25/18 03:23 PM
Joined: Dec 2011
Posts: 4,729
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,729
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."
Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4677782
02/25/18 03:59 PM
02/25/18 03:59 PM
Joined: Jul 2017
Posts: 542
Texas (south)
FermeLaPorte Offline
FermeLaPorte  Offline
Joined: Jul 2017
Posts: 542
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.
Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4677796
02/25/18 04:12 PM
02/25/18 04:12 PM
Joined: Feb 2018
Posts: 2
UK
A1ex Offline OP
A1ex  Offline OP
Joined: Feb 2018
Posts: 2
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?

Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4677803
02/25/18 04:17 PM
02/25/18 04:17 PM
Joined: Dec 2011
Posts: 4,729
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,729
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."
Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4677812
02/25/18 04:36 PM
02/25/18 04:36 PM
Joined: Dec 2002
Posts: 6,568
Huntington Beach, CA
tenderloin Offline
tenderloin  Offline
Joined: Dec 2002
Posts: 6,568
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

Re: ACEA A5/B5 vs ACEA A3/B4 for Volvo V60 Polestar? [Re: A1ex] #4678383
02/26/18 06:46 AM
02/26/18 06:46 AM
Joined: Jul 2015
Posts: 4,624
Down Under
SR5 Offline
SR5  Offline
Joined: Jul 2015
Posts: 4,624
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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