Mobil1 5w/50 the best lubricant among all the other brands. It's technically perfect grade for the climate of pakistan. whether ur in karachi- punjab -sindh or anywhere. The climate of different regions matters alot. this grade is best or cold winters and hot summers. Get the brand from the official distributor of mobil- never buy the lubricants from the small or local oil dealers. they keeep fake lubricants of all the brands not only mobil. Visit mal pakistan you will get the distributor where ever u are located - get the product from the authorised dealer