Unleash the Beast Costco Engine Oil for Enhanced Engine Power

I have used Kirkland synthetic for 4 oil changes and have not seen a noticeable decline in oil level between changes. It's good oil, I run it on my speed3 5w30 I commute to work about 30 min and sometimes do some pulls and I never had any issues, (changed at 5k miles) Does anyone have any inputs on the Costco engine oil? I have a 2018 Frontier and I was thinking about using them since it's a lot cheaper ... I plan to switch to 5W-40 after the car has done a higher mileage. I would recommend using an oil which meets 229.5 spec ,,,and is in a suitable ... Automotive savings exclusively for Costco members. Go car shopping without the hassle and get low, prearranged pricing. Find an Approved Dealer near you. Warren distribution also has its brand of motor oil known as Mag 1 oil. In addition, Warren distribution blends motor oils for Meijer and ... https://www.costco.com/kirkland-signature-5w-30-full-synthetic-motor-oil-5-quart%2C-4-pack.product.100690432.html All weights... This brand is great for a wide range of vehicles from older cars to gas trucks. However, due to its limited oil range, it's not the best fit for Diesels or ... So I'm debating what I should use, what do you think? Mobil 1 Motor Oil SuperSyn 5W-30 ($2.5 @costco) Mobil 1 Motor Oil SuperSyn 10W-30 ($2.5 @ ... We recommend using Mopar® API SP/GF-6A Certified SAE 5W-30 Full Synthetic Engine Oil which meets the requirements of the manufacturer Material Standard MS- ...