I've heard good things about Pennzoil Ultra Platinum. The BITOG forum is fond of it too. I'm a little surprised at the price you quoted - it seems pretty high.
Originally Posted by MacClyver
Mitsubishi's Owner's Manual for the Mirage states to use motor oil that has the ILSAC certification 'starburst' symbol, or an API classification SN or higher oil. The manual also states to use engine oil with the proper thickness for the outdoor temperatures where you will be driving.
I'm running 5W-20 this past year based on what others have said about it here on the forum - that it makes startup noise quieter. I find that's not the case for me, and I'll be going back to 0W-20 at my next oil change. For cold starts, 5W just doesn't flow as easily as 0W.
Originally Posted by 2015 Mitsubishi Mirage Owner's Manual
Conventional or synthetic, any brand has to meet the specifications claimed on the bottle label. If you are worried about one brand or another, look them up at the Petroleum Quality Institute of America's website. If an oil doesn't meet their claimed specifications, PQIA will find them out. This article is an example of what they have found:
PQIA Issues Two More Consumer Alerts on Motor Oil and Transmission Fluid on Retail Shelves in Ohio
In the end, I'm sure that whatever you choose will be fine, as long as it meets Mitsubishi's specifications, either ILSAC or API SN or higher, and change it out according to the mileage (7,500 miles) & time (6 months) schedules. I wouldn't run anything thicker than 5W in a Wisconsin winter.
Originally Posted by PQIA December 17, 2018
Let us know what you do and how it goes.
And please consider making a Garage entry.
Garage empty: add car
View my fuel log 2015 Mirage ES 1.2 manual: 49.6 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.5 mpg (Imp)