Quaker State Defy® High Mileage 10W-30 is recommended for use in all vehicles requiring the use of SAE 10W-30 viscosity grade engine oils under all driving conditions.Quaker State Defy® High Mileage 10W-30 can be mixed with other synthetic and mineral oils and is recommended for use in all vehicle applications under all driving conditions.Always consult your owner’s manual for the correct viscosity grade and performance recommendation required for your vehicle.