Synthetic oil used to be something only performance cars ... The alphanumeric codes on a quart of oil—5W-30, 0W-20, etc.—denote its “weight,” or viscosity. Thicker, higher-viscosity ...

Stick with the manufacturer's recommended motor-oil viscosity classification. For instance, if your car uses 5W-30 synthetic oil, upgrade to high-mileage oil with a similar 5W-30 rating.

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 ...

One Tacoma owner ditched Toyota’s recommended oil for something thicker, and the results have sparked a heated debate. Is ...

The best engine oil for Honda Amaze Diesel Variant is 5W30 synthetic grade oil. Honda Amaze Petrol variant derives its power from a 1.2-litre i-VTEC Petrol Engine. The best engine oil for Honda ...