Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-30, 1 Quart

from Towelie

Great stuff! Keeps em purring. Got this little thing along w/ 5 quarts. Vehicle takes 5.08. Mobile extended range needs frequent checks. I bought this because it will need to be topped up every couple months. Change your filter when you change your oil! Also run the engine to temp before you tak...

from Huskers2012

I have been using MOBIL 1 Synthetic from day one on my car for past 15 yrs with subsequent move to extended performance. I have now 198K miles on my car now. Recently I had to get my valve gasket replaced and on opening we noticed there was absolutely no film build up on the covers and the compo...

from Phil from Texas

I've been using extended performance oil for several years in both of my vehicles. I haven't experienced any issues and love only having to change oil once per year. I've used both Mobile1 and Castrol, and believe they are both great products!

from Michael S

I have been using Mobil 1 full synthetic oil in my truck for approximately 120,000 miles. The truck currently have 180,400 miles on it and it is still going strong. I know oil is not the only component but this oil has proven to be a winner and I am now using this oil in all our vehicles and we...

from TDA 4230

I only use Mobile 1 in my autos as well as zero turn mower & other small engines. I feel that the additional cost is justified by the quality of the product.