And what about fuel economy? - Saab 9-5 Bulletin Board - Saabnet.com
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And what about fuel economy?
Posted by dmz789qqq [Email] (more from dmz789qqq) on Sun, 23 Sep 2012 15:09:54
In Reply to: Re: Mobil 1 0w40 is a great oil... However., Biran, Sun, 23 Sep 2012 08:25:08
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I am keeping my 9-5 till 300k (currently at 225k). By that time it will burn about 12,000 gallons of fuel, or $48k at current prices. So even if the mpg drops only by 5% that is $2,500 of the life of the car.
Honda went exclusively to 5w20 oil for mpg reasons, and Honda knows quite a bit about engines. Yes, heavier oil is better for engine longevity, but is it really worth the trade off in 9-5? So far I do not hear much of 9-5 engines dying of wear - sludging yes, but not wear - so why is exactly the need for heavier oil?
posted by 98.110.194...
Posts in this Thread:
- 0w40 not a good choice for 9-5's. Go with 5w40., Brian, Sun, 23 Sep 2012 06:01:27
- It depends, Eiron, Tue, 25 Sep 2012 09:08:05
- Agreed, with caveat on TDT, Stephen Goldberger, Tue, 25 Sep 2012 05:16:53
- I use both, in two different Saabs., MI-Roger , Sun, 23 Sep 2012 16:24:27
- Re: 0w40 not a good choice for 9-5's. Go with 5w40., Dean, Sun, 23 Sep 2012 10:36:22
- Feeling smarter than Saab engineers?, dmz789qqq, Sun, 23 Sep 2012 07:39:35
- Not entirely correct with your info, Eiron, Tue, 25 Sep 2012 08:54:07
- 30yo design, engineers have retired-better oils today., Norm9-5, Mon, 24 Sep 2012 13:34:15
- Re: Mobil 1 0w40 is a great oil... However., Biran, Sun, 23 Sep 2012 08:25:08
- sometimes :), jeff in MD, Sun, 23 Sep 2012 07:45:32
- Re: 0w40 not a good choice for 9-5's. Go with 5w40., jeff in MD, Sun, 23 Sep 2012 07:13:43
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