There is motor oil rated to 20,000 miles or more. https://www.mobil.com/en/lubricants/for-personal-vehicles/our-products/products/mobil-1-extended-performance-

There is motor oil rated to 20,000 miles or more. https://www.mobil.com/en/lubricants/for-personal-vehicles/our-products/products/mobil-1-extended-performance-5w-30/ https://www.mobil.com/en/lubricants/for-personal-vehicles/ou... https://www.amsoil.com/p/signature-series-5w-30-synthetic-motor-oil-asl/ https://www.amsoil.com/p/signature-series-5w-30-synthetic-mo...