The price of your engine oil also varies from supplier to supplier.
2015 WRX RECOMMENDED CST VISCOSITY FULL
This is because (being a full or semi synthetic oil) it is more stable than the latter. PricingĠW-20 oil usually tends to be slightly more expensive than 5W-20 oil. Full synthetic 0W-20 and 5W-20 motor oil will give maximum fuel efficiency and better fuel economy. Fuel Economyīoth 0W-20 oil and 5W-20 oil perform more or less the same in terms of their mileage and fuel economy.ĠW-20 oil may give you slightly better fuel efficiency and fewer carbon emissions due to its thinner oil flow and low viscosity.īut it also depends on whether you’re using a conventional, synthetic blend, or fully synthetic motor oil. But before you switch to a different viscosity grade, speak to your mechanic about the recommended oil for your car. Note: Some cars can take both 0W-20 and 5W-20 oil. It’s a slightly thicker oil and is more resistant to oil thinning at hotter temperatures. On the other hand, 5W-20 has a higher viscosity and performs slightly better in seasonal climates. So if you’re going to be driving a lot in below-freezing temperature climates and rarely drive in warmer temperature climates, 0W-20 oil grade would be ideal for you. You can expect faster oil circulation with 0W-20 and a smoother flow. It also prevents problems like sludge buildup, engine wear, varnish deposits, and low oil pressure. Performanceīoth 0W-20 and 5W-20 are thinner oil grades that perform best in low temperature winter climates.ĠW-20 oil grade (due to its lower viscosity) is better with cold starts. They are resistant to problems like oil burning and excessive oil consumption under high oil pressure and warmer temperature conditions.
In terms of their operating temperature range, both these grades operate well up to 68 ☏. They provide decent fuel consumption, resulting in better fuel economy while lubricating all your critical engine parts. Hot Viscosityīoth oils act as an SAE 20 weight oil at warmer temperature settings. As 0W20 is a far thinner oil than 5W-20, it is more stable at cold temperature than the latter and flows smoothly through the critical engine parts.ĥW-20 is a comparatively thicker viscosity oil and is better for a normal operating temperature range of -22☏ to 68☏. In SAE terminology, the lower the number before the ‘W’ is, the better the motor oil performs at cold temps. On the other hand, 5W-20 oil acts as an SAE 5W weight oil. It also refers to the oil’s thickness at various temperature settings.ĠW-20 motor oil acts as an SAE 0W weight oil at cold temperature settings.
Cold ViscosityĪn oil’s viscosity is the measurement of its resistance to flow. However, you will notice minor differences upon closer inspection: A. These motor oils are usually used as winter viscosity oils, and they both offer a similar, versatile operating temperature range. The W stands for ‘Winter,’ while the numbers before and after represent the oil weight at cold and warm temperature settings, respectively. 5 Key Differences Between 0W-20 Vs 5W-20 OilĠW-20 and 5W-20 are multi grade oil viscosities.Įach viscosity grade is a value assigned to these oils by the Society of Automotive Engineers ( SAE ).
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