That’s why we chose the Pennzoil Platinum Full Synthetic 5W-30 Motor Oil as our top pick: This synthetic engine oil offers excellent performance in extreme cold and washes away dirt as it flows ...

Many vehicles produced today require full synthetic motor oil to ... the price range for even Pennzoil's high-end Ultra Platinum motor oil line is still markedly lower than several of its ...

Pennzoil produces a range of conventional motor oils, synthetic blends, and full-synthetic oils, such as its Ultra Platinum, High Mileage, and Platinum Euro lines. Havoline is a motor oil company ...