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Dexos 1 benefits #4778171
06/05/18 01:27 PM
06/05/18 01:27 PM
Joined: Jun 2018
Posts: 67
Kentucky
Spitter Offline OP
Spitter  Offline OP

Joined: Jun 2018
Posts: 67
Kentucky
Would you still get the fuel mileage benefits of dexos 1 in a older gm vehicle? Maybe like a early 2000s model? Also what about in another brand such as a nissan or a ford?


2004 Silverado 5.3
Pennzoil ultra platinum 10w30 acdelco upf44
2006 Buick lucerne 3.8
Pennzoil ultra platinum 5w30 acdelco pf47
Re: Dexos 1 benefits [Re: Spitter] #4778175
06/05/18 01:31 PM
06/05/18 01:31 PM
Joined: Dec 2005
Posts: 11,305
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 11,305
Upper Midwest
How would the oil know what brand of vehicle it is?


1994 BMW 530i, 242K
1996 Honda Accord, 275K
1999 Toyota Sienna, 413K
2000 Toyota ECHO, 281K
Re: Dexos 1 benefits [Re: kschachn] #4778189
06/05/18 01:42 PM
06/05/18 01:42 PM
Joined: Jun 2018
Posts: 67
Kentucky
Spitter Offline OP
Spitter  Offline OP

Joined: Jun 2018
Posts: 67
Kentucky
Originally Posted By: kschachn
How would the oil know what brand of vehicle it is?

Thats what i was also thinking but isnt the specification made around current production GM?


2004 Silverado 5.3
Pennzoil ultra platinum 10w30 acdelco upf44
2006 Buick lucerne 3.8
Pennzoil ultra platinum 5w30 acdelco pf47
Re: Dexos 1 benefits [Re: kschachn] #4778190
06/05/18 01:43 PM
06/05/18 01:43 PM
Joined: Jun 2017
Posts: 801
DFW
JustN89 Offline
JustN89  Offline

Joined: Jun 2017
Posts: 801
DFW
Originally Posted By: kschachn
How would the oil know what brand of vehicle it is?

I like to match the color of bottle to the color of the paint on the car. Makes me feel like the oil was made for the car, which naturally means that I get more horsepower and more MPG.

Re: Dexos 1 benefits [Re: JustN89] #4778193
06/05/18 01:45 PM
06/05/18 01:45 PM
Joined: Apr 2017
Posts: 1,952
San Rafael, CA
dogememe Offline
dogememe  Offline

Joined: Apr 2017
Posts: 1,952
San Rafael, CA
Originally Posted By: JustN89
Originally Posted By: kschachn
How would the oil know what brand of vehicle it is?

I like to match the color of bottle to the color of the paint on the car. Makes me feel like the oil was made for the car, which naturally means that I get more horsepower and more MPG.


Yes, and then if you add the brand of oil sticker to your car it will increase the lifespan of the oil. This works especially well for Castrol Magnatec - the intelligent clinging molecules will adhere better to a car that is in love with it.


2010 Ford Escape 2.5 ~96K Miles
Valvoline 5W-20 from Valvoline Instant Oil Change.
Re: Dexos 1 benefits [Re: Spitter] #4778201
06/05/18 01:51 PM
06/05/18 01:51 PM
Joined: Jun 2017
Posts: 801
DFW
JustN89 Offline
JustN89  Offline

Joined: Jun 2017
Posts: 801
DFW
To offer up a serious response, just run whatever is on the shelves at Walmart and you'll be fine. I have a 2005 Impala (3.4L) and have run both dexos and non-dexos oils with no noticeable differences.

Re: Dexos 1 benefits [Re: Spitter] #4778245
06/05/18 02:33 PM
06/05/18 02:33 PM
Joined: May 2002
Posts: 2,090
St. Charles County, Missouri
csandste Offline
csandste  Offline

Joined: May 2002
Posts: 2,090
St. Charles County, Missouri
How about SN+ covering most of Dexos 1.2 except for the fees to GM?


2017 Kia Soul Plus-- Super Tech Synthetic 5w30 59000 miles
Re: Dexos 1 benefits [Re: csandste] #4778247
06/05/18 02:35 PM
06/05/18 02:35 PM
Joined: Oct 2009
Posts: 4,642
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline

Joined: Oct 2009
Posts: 4,642
Wet side WA
Originally Posted By: csandste
How about SN+ covering most of Dexos 1.2 except for the fees to GM?


This thumbsup


2004 Corolla 131893
Out: EDGE EP 5W-30 Bosch 3311 7156 Miles
In: Havoline Pro DS 10w-30 Purolator PureOne 3-14-19 129693
2006 Duramax 74840
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: Dexos 1 benefits [Re: Spitter] #4778523
06/05/18 08:09 PM
06/05/18 08:09 PM
Joined: Sep 2008
Posts: 4,149
Southeast Texas
gfh77665 Offline
gfh77665  Offline

Joined: Sep 2008
Posts: 4,149
Southeast Texas
I get more MPG's when I slap a Sunoco sticker on the back of my truck.

Re: Dexos 1 benefits [Re: Spitter] #4778546
06/05/18 08:33 PM
06/05/18 08:33 PM
Joined: Mar 2016
Posts: 1,287
MT
jongies3 Offline
jongies3  Offline

Joined: Mar 2016
Posts: 1,287
MT
I've never noticed a difference in mileage between synthetic and conventional oil. If there is any, it's so minute that it skips my calculations.


2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM PH3614 filter
2003 Buick Park Avenue Ultra S/C 3.8 V6: QSGB 10W-30, FRAM filter
2013 Honda 400EX ATV: Mobil 1 Racing 4t 10W-40, OEM filter
Re: Dexos 1 benefits [Re: Spitter] #4778576
06/05/18 09:04 PM
06/05/18 09:04 PM
Joined: Dec 2009
Posts: 27,473
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline

Joined: Dec 2009
Posts: 27,473
Regina, Saskatchewan, Canada
No, you won't, assuming you're already running an ILSAC grade in the first place. Switch from a 5w-30 A3/B4 to a 5w-30 dexos1, there will be a fuel economy benefit, albeit outside of our measurement ability in the real world. Switch from an ordinary ILSAC 5w-30 to a 5w-30 dexos1, it's going to be the same thing, essentially.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Dexos 1 benefits [Re: Spitter] #4779021
06/06/18 11:40 AM
06/06/18 11:40 AM
Joined: Jan 2011
Posts: 503
California
DGXR Offline
DGXR  Offline

Joined: Jan 2011
Posts: 503
California
Dexos 1 certified oils do not necessarily provide fuel economy benefits over any other equivalent but non-Dexos certified oils. Just be sure you are using the correct type and weight of oil specified in the owner's manual and you will be fine. Lighter oils (weight) can provide measurable fuel economy benefits, but there are downsides to using a weight not specified by the manufacturer.

Basically, Dexos is a certification given to a specific brand/weight of oil if it passes multiple tests. The oil producer must pay a fee to GM for Dexos testing and certification -- this fee pays for the testing costs and also includes a fee to allow the oil producer to use the Dexos logo on the packaging. The Dexos tests are pretty tough, but there are many very good oils out there that will pass the Dexos tests but the producer has chosen not to undergo the certification process. Imagine all the fees if an oil producer chose to test and certify every type and grade of oil they make: 0w20, 5w20, 0w30, 5w30, 10w30, 5w40, 10w40, 5w50, 20w50... then add in synthetic and synthetic blends, high mileage varieties, extended performance oils, etc etc. All these types are often made by a single oil company. Obviously Dexos is a cash grab by GM but it's working for them. All other things being equal, I would pay a couple dollars more for a 5qt jug of oil that has passed the Dexos testing process vs an oil that has not been tested but would probably pass the tests. That's just me.


1995 Corvette coupe LT1 6-speed
2006 Tacoma 2.7 Base SR5 AC
1999 Yamaha YZ400FL
2003 Honda XR400R
Re: Dexos 1 benefits [Re: Spitter] #4779562
06/06/18 08:10 PM
06/06/18 08:10 PM
Joined: Jun 2011
Posts: 1,866
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline

Joined: Jun 2011
Posts: 1,866
Crawfordville FL
Dexos1 does not include grades beyond 5w-30. You won’t find a 10w-30 dexos1 certified oil. 0w-20, 5w-20, 5w-30 for sure. Maybe 0w-30, not certain about that one


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: Dexos 1 benefits [Re: SilverFusion2010] #4779570
06/06/18 08:17 PM
06/06/18 08:17 PM
Joined: Dec 2009
Posts: 27,473
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline

Joined: Dec 2009
Posts: 27,473
Regina, Saskatchewan, Canada
Yes, there have been 0w-30 examples of dexos1. I believe M1 AFE 0w-30 and Petro-Canada Supreme Synthetic 0w-30 are so certified.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
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