Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quarts

This item is the best oil you can use for your car with or without high milage but this brand is the best oil you can use i recommend to all to use this oil for your car when doing an oil change

Love Castrol.....good value!! Arrived as expected!

I was having a hard time finding the oil I use for my older vehicle, Amazon had it and I didn't have to go searching! Exactly what I needed!Excellent quality! Great value and performance.

Perfecto y económico

Full synthetic oil tends to run low after a few months on older engines. Also, as an engine ages, the 5w20 also becomes a little too thin, causing it to also run low. So.... I've found that running 10w30 synthetic blend lubricates my 300,000 mile engine just fine without having to add the extra quart between changes. I prefer motorcraft, but it no longer comes in 5 qt bottles, so here we are. It works great for older engines that use a little oil (with 5w20 synthetic).

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I've got a 2010 Prius with 200k miles on it. It's been drinking the 0w20 full synthetic, so I've been trying various oil weights for a while. So far, I really like this 10w40 Syn Blend. I've towed 2 times and driven a smidge over 1000 miles and only burnt about 1 quart. Which is super low. I would have burned about 3 quarts on 0w20 full Syn.I do like this 10w40 a lot, but I have been using the 20w50 as my top off oil. So far I've only used about 1 quart of it. (4.4quart is all the car takes)I'm down in Texas. It's up in the 100Fs in summer and last winter, it go in the 16F area and I was quite worried. It seems like it's been ok, but I'd try not to do that very often. I tried to get oil flowing by repeatedly starting and stopping the car.Oil color!!! With 0w20 full Syn, I would go 400-500 miles and my oil would go from clear, to super black! This oil out of the can has a slight brown color to it, even though it looks blue as you're pouring it. It really hasn't changed color at all, at 1000 miles.