What kind of gas does the 2018 Buick Encore take?

Every version of the 2018 Buick Encore uses regular unleaded gasoline with a posted octane rating of 87 or higher. This is simply the standard gas that one will find at moSTStations. Do not use gasoline with a posted octane rating of less than 87.n most cases, using a higher octane gasoline than Your owner's manual recommends offers no benefit. It won't make Your car perform better, go faster, get better mileage, or run cleaner.How You drive can significantly affect Your fuel economy. The harder You accelerate, the more fuel You use. Unnecessary braking wastes the fuel You used to get up to speed. Drive smoothly and anticipate the movement of traffic. Once up to speed, maintain a steady pace. Smooth acceleration, cornering, and braking also extend the life of the engine, transmission, brakes, and tires.