|
05-26-2007, 10:46 PM | #1 |
Drives: 2007 Yaris Liftback Join Date: Sep 2006
Location: DFW, USA
Posts: 50
|
5w-20 Oil
Usually I run Mobil 1 5w-30 in my Yaris (3dr LB, Manual) but for this trip I am taking right now I wanted to try 5w-20 to see what a difference it would make in mileage. Normally I get about 38-40 mpg on the 5w-30 to and from work all highway miles, no A/c, just me.
Yesterday on the first leg of the trip from Dallas to Kansas City, fullly load, 3 passengers, and A/C on all the way with the 5w-20 (Mobil 1) I averaged 39 mpg. Based on the initial part of this trip it seems the 5w-20 does improve the gas mileage. Also consider I was driving between 70 and 80 the entire way. Take it as you will, I will update further as the trip goes on. |
05-27-2007, 12:20 AM | #2 |
der Zeck
Drives: '05 Audi A4 1.8t quattro Join Date: Sep 2006
Location: Toledo, OH
Posts: 5,231
|
Toyota TSB says 5w-20 is better for gas milage and is A-ok for you in the South.... us northerners can run 0w-20
I noticed a differance in MPG when I went to synthetic, and a little better when I went to 0w-20
__________________
|
05-27-2007, 10:43 AM | #3 |
Novice Hypermiler
|
What about in cold or hot weather, I really don't know much of a difference in oil, but in PA the summers are HOT and the winters are COLD. I was told 5w-30 is what I should stick with, but if I can get better milage with a different oil, I'd try it out but I'd be worried about my weather conditions.
|
05-27-2007, 10:55 AM | #4 |
der Zeck
Drives: '05 Audi A4 1.8t quattro Join Date: Sep 2006
Location: Toledo, OH
Posts: 5,231
|
then just stick with 5w-20 per the Toyota TSB, it is the safe way to go. 5w-20 is one of the most common viscosity oils for many modern cars
__________________
|
05-27-2007, 05:33 PM | #5 |
Drives: 2007 Yaris Liftback Join Date: Sep 2006
Location: DFW, USA
Posts: 50
|
The summers in Texas are obviously Hot, but since I am a teacher I dont do a lot of driving in the summer, so I am not too worried about the high temps. On the drive so far the temps have been in the 60's to 80's, so perfect driving weather.
|
05-27-2007, 11:17 PM | #6 |
Drives: 07 Bayou Blue Liftback Join Date: Apr 2007
Location: Virginia
Posts: 1,121
|
5W-20 TSB
Just In case someone would like to read it.
|
05-28-2007, 05:44 AM | #7 |
Drives: 2007 Yaris S Join Date: May 2007
Location: Piqua, Ohio
Posts: 302
|
So would the 0w-20 be OK for Ohio summers?
|
05-28-2007, 05:30 PM | #8 |
Drives: 2007 Yaris Hatch Join Date: Apr 2007
Location: Los Angeles, CA
Posts: 54
|
Yes. My take on all this, after extensive reading, is the the 0-20W FULL synthetic (NOT Mobil 1, Castrol Syntec, but Amsoil) will be fine for your Yaris if you do not have harsh winters where you live (snow). I live in So. California, so I just ordered the Amsoil 0-20W FULL synthetic (it's a relatively new product and Amsoil states it can be used in your car...go to amsoil.com). The Mobil 1, Castrol Syntec, are NOT full synthetic but apparently come from a variation of mineral oil. Amsoil is the way to go, I think.
|
05-28-2007, 08:25 PM | #9 |
Drives: 2007 Yaris S Join Date: May 2007
Location: Piqua, Ohio
Posts: 302
|
Thanks. I'm putting about 1,000 a week on my S I'm changing the oil about every five weeks. The price on their web site was almost $10 a quart. I think I may go broke at the rate I'm going. :(
|
05-28-2007, 11:47 PM | #10 |
Drives: 2005 Scion xB Join Date: Nov 2006
Location: The Black Hills of South Dakota
Posts: 1,059
|
I don't think AMS is any better than Mobil 1.
|
05-29-2007, 01:50 AM | #11 |
der Zeck
Drives: '05 Audi A4 1.8t quattro Join Date: Sep 2006
Location: Toledo, OH
Posts: 5,231
|
I am running 0w-20 mobile 1... buy the oil from walmart, it is the cheepest place in town...
__________________
|
05-29-2007, 06:09 AM | #12 |
Drives: 2007 Yaris S Join Date: May 2007
Location: Piqua, Ohio
Posts: 302
|
I'm normally the typical lazy American who ducks into the quicklube place on lunch to get my oil change but I guess if I buy the good stuff by the case and do it myself I'll get better oil, better mpg and still save money.
How much of a jump in mpg did you notice? |
06-23-2007, 07:27 AM | #13 |
Drives: 06 yaris AT Join Date: May 2007
Location: Indonesia
Posts: 43
|
is Amsoil 0w-20 fine for me who lives at a place near the equator? Like 25-35 deg C all year round. Thanks!
|
06-23-2007, 10:17 AM | #14 |
Drives: 07 Bayou Blue Liftback Join Date: Apr 2007
Location: Virginia
Posts: 1,121
|
I personally would stick with the 5W-20. The temperatures in your area warm enough that they would not warrant 0W-20 in my opinion and might not protect as well as 5W-20 under heavy loads and higher engine temperatures.
|
06-23-2007, 08:26 PM | #15 |
Drives: 06 yaris AT Join Date: May 2007
Location: Indonesia
Posts: 43
|
Thanks blacksan, so 5w-20 it is. If I cannot get Amsoil is there any other brands? Like Mobil 1? It is fully synthetic right?
|
06-23-2007, 08:43 PM | #16 |
Drives: 2007 Orange Yaris Hb 3Drs Join Date: Dec 2006
Location: Montreal-Canada
Posts: 262
|
it should be known, 5W-20 and 0W-20 have exactly the same properties in a warm engine. Only difference is when the engine is still cold, the 0W-20 will be a little more fluid. 5W-20 or 0W20 in very hot climate would be OK only if the engine is usually kept at low rpms.
|
06-23-2007, 08:45 PM | #17 | |
Drives: 07 Bayou Blue Liftback Join Date: Apr 2007
Location: Virginia
Posts: 1,121
|
Quote:
BTW, I use Hastings filters with my Amsoil as there are very high quality. |
|
06-23-2007, 11:26 PM | #18 | |
Drives: 06 yaris AT Join Date: May 2007
Location: Indonesia
Posts: 43
|
Quote:
|
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
best synthetic oil and m/t oil?? | doodoo | DIY / Maintenance / Service | 122 | 04-03-2017 08:43 PM |
Help with oil change specs | autophile | DIY / Maintenance / Service | 31 | 04-25-2011 09:22 PM |
Synthetic Oil | Kaotic Lazagna | DIY / Maintenance / Service | 122 | 09-20-2007 03:40 PM |
metal particles in oil | 007 hatch | DIY / Maintenance / Service | 9 | 06-22-2007 02:56 AM |
Motor oil debate - interesting info but a long read. | mikeukrainetz | General Yaris / Vitz Discussion | 6 | 12-10-2006 08:16 PM |