Guard is okish. To be very honest i have never felt any noticeable difference after using branded oil like havoline, shell, pso, zic. These branded onces charge a good premium too based on their goodwill which ultimately we are paying. So i opted for guard being a local product and 100% original product at very competitive pricing. You can witness the rush of so many cars at Guard outlet at Metro. Well, this all is my own perception and yes anyone can have full right to reject my claim.