I have a 2019 Nissan Frontier (gas not flex fuel) and been using havoline Pro DS 5W30 was just at TS and they have Mobil 1 Truck and SUV oil for $14.99 ( for 5 qt 's) or about $2.99 a qt what is the consensus (opinions) on the mobil truck suv oil and going from one brand to another it's only had Havoline Pro Ds but be the same SAE SN+ 5W30 I ask as where i wasa extra mechanic for School Buses the bid fuel tires parts and etc... but never switch brand of oil " due to possible" engine damage