Make your engine run longer and stronger. … With a unique blend of premium base oils and an enhanced additive system, PEAK® 10W40 High Mileage Engine Oil exceeds the most stringent automotive standards for engine protection and performance in today’s high-mileage vehicles. And it will exceed your expectations too.
Is 10w40 better for older cars?
10w40 is thicker than 5w30. The idea is that as your engine ages, the tolerances between internal components (due to wear) have increased. A slightly thicker oil will therefore lubricate the engine better. In reality, it only makes a difference in extreme temperatures.
Is 10W40 high mileage oil?
PEAK® 10W40 High Mileage Motor Oil is specially formulated to provide maximum protection and keep your high mileage car running like new. … Improved additives that condition and restore the seals to the engine to reduce oil leaks. Superior formula reduces friction and abrasion.
Which oil is best for high-mileage engines?
The difference lies in the viscosity at different temperatures. … 5w30 oil flows better than 10w40 oil at low temperatures. This means that 5w30 oil protects the engine better at low temperatures, usually when the engine hardly starts or in weather conditions such as winter.
Is it ok to use 10w40 instead of 5w30?
Your vehicle does not use 5W30 oil. The recommended oil viscosity for your vehicle is 10W40 according to Kia literature. If you drive the vehicle in exceptionally cold weather well below 32 degrees, you can use 5W30 oil, but 10W40 is still perfectly usable when the outside temperature is below freezing. 21
Should Older Cars Use Thicker Oil?
On an older, high mileage passenger car it is recommended that as you approach and exceed 100,000 miles you switch to a heavier oil such as 10W30 to properly lubricate and keep the engine.
What is the best oil for older cars?
10w40 is thicker than 5w40 ONLY when cold. At operating temperature it is exactly the same. Multi-viscosity, low W-index oils are specially formulated to flow better at very low temperatures and therefore lubricate better. There is no need to use a 5w40 if the vehicle only requires 10w40.
Is 10w40 oil good for high mileage?
If 10w30 and 10w40 are acceptable oil options for your car, it is recommended to use 10w40 for your high mileage car. 10w40 is thicker than 10w30. Thicker oil helps older engines withstand higher temperatures and manage wear more effectively.
What is mileage oil?
What exactly is a high mileage oil? As the name suggests, this type of motor oil has been formulated to address the specific problems of high mileage or over 75,000 mile vehicles. This can help reduce oil consumption, smoke and emissions from older engines.
What is 10W40 engine oil used for?
A higher viscosity oil like 10W40 may be useful for older engines that are burning or losing oil. We offer Mobil™ 10W40 high viscosity motor oils for use in vehicles mileage in excess of 120,000 km and synthetic blend oils when cost is an issue.
Should I use thicker oil on a high mileage engine?
High mileage engine oil does no harm and can prevent leaks. … Some mechanics recommend changing to a thicker (higher viscosity) oil – like 10W30 full synthetic oil instead of 5W20 full synthetic oil – or using oil additives to stop leaks.
Is synthetic oil better for high mileage cars?
Synthetic oils improve engine protection in older vehicles with higher mileage as well as in newer engines.
Should I use thicker oil on a high mileage engine?
High mileage engine oil does no harm and can prevent leaks. … Some mechanics recommend changing to a thicker (higher viscosity) oil – like 10W30 full synthetic oil instead of 5W20 full synthetic oil – or using oil additives to stop leaks.