Pennzoil Platinum Full Synthetic Motor Oil 10W-30-5 Quart Jug Pennzoil Platinum 10W-30 motor oil is fully synthetic and designed for complete protection and top engine performance Pennzoil synthetic motor oil provides improved fuel economy, on average an extra 550 miles per year compared to a dirty engine Helps protect engines from loss of horsepower Excellent performance in extreme temperatures, faster low temperature oil flow, and protects in extreme heat Advanced full synthetic oil formula provides wear protection from friction and oxidation stability