10w 30 Vs 10w 40

10w 30 Vs 10w 40. Both 10w 30 and 10w 40 oils can be suitable for high-mileage engines So, what is the main difference between the 10W30 vs

So, what is the main difference between the 10W30 vs The '10W' in 10W30 represents its winter viscosity rating, indicating that this oil performs well at low temperatures

Since both 10W-30 and 10W-40 have the same cold weather grade, the main difference between the two is the high temperature viscosity.. Which one is used in your car could depend on many factors, though Two of the most common engine oils on the market are 10W30 and 10W40

. The 30 and 40 refer to the viscosity, or measure of the oil's resistance to flow, at 212°F One of the best high-mileage engine oils available is Valvoline High-Mileage 10W-30 Synthetic Blend

. Which one is used in your car could depend on many factors, though Just like a passenger car, whether you use 10W-40 vs 10W-30 multi grade oil in your motorcycle depends on what temperatures you expect to be riding in.