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Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3

4.8 4.8 out of 5 stars 18,429 ratings

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5 Quart - 3 Pack
High Mileage
5W-30

Purchase options and add-ons

Viscosity 5W-30
Brand Castrol
Liquid Volume
160 Fluid Ounces
Package Information
Bottle

About this item

  • Superior detergency that helps prevent deposit build up
  • Superior oil burn off protection versus leading conventional oils
  • Seal conditioners help reduce leaks; Bottle Color: Green
  • Advanced additives that help prevent engine wear
  • Exceeds ILSAC GF-5, API SN
See more product details

Frequently bought together

$79.99 ($0.17/Fl Oz)
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$12.15
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$38.82 ($0.20/Fl Oz)
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Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3
Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3
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Price$79.99$28.98-5% $27.48
List:$28.94
$24.97$22.96$134.99
Delivery
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Get it as soon as Monday, Apr 1
Customer Ratings
Value for money
4.8
4.7
4.5
4.7
4.8
Longevity
4.7
4.8
4.7
4.7
4.8
Mileage
4.7
4.8
4.7
4.7
4.8
Flavor
4.8
4.4
5.0
Sheerness
4.7
4.6
4.6
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
compatible vehicles
For Gasoline Engines
Car
Car
liquid volume
160 fluid ounces
5 quarts
5 quarts
160 fluid ounces
160 fluid ounces
6 gallons
viscosity
5W-30
5w-30
5W-30
5W-30
10W-30
5W-20

From the manufacturer

GTX Conventional Motor Oil GTX Magnatec
GTX HIGH MILEAGE EDGE HIGH MILEAGE
Customer Reviews
4.8 out of 5 stars
18,429
4.8 out of 5 stars
27,336
LIQUID ENGINEERED FOR VEHICLES WITH 75,000+ MILES
EMISSION SYSTEM PROTECTION
SYNTHETIC BLEND
FULL SYNTHETIC
SUPERIOR ENGINE PERFORMANCE
#1 HIGH MILEAGE BRAND
10X BETTER HIGH TEMPERATURE PERFORMANCE

CASTROL HIGH MILEAGE MOTOR OILS

EXCEEDING THE LATEST INDUSTRY STANDARD WITH PREMIUM CASTROL MOTOR OILS

  1. Specially designed for engines over 75,000 miles
  2. Protects against sludge, wear and burn off
  3. Reduces phosphorous to protect your emission system

Product Description

Specially formulated motor oil with unique additives to protect engines with greater than 75000 miles.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Castrol

Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts, Pack of 3


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Customer reviews

4.8 out of 5 stars
4.8 out of 5
18,429 global ratings

Customers say

Customers like the smoothness, value, service, and quality of the auto oil. For example, they mention that it makes their engine run smoother, it's fairly priced, and it'll last a long time. Opinions are mixed on leakage.

AI-generated from the text of customer reviews

501 customers mention478 positive23 negative

Customers are satisfied with the quality of the auto oil. They mention that it's top quality, reliable, and holds strong. Some say that it lasts a long time and has no losses.

"It's synthetic oil, works as advertised. No complaints and it's cheaper than local dealers price. Will buy again." Read more

"Timely free delivery, good price, very good product." Read more

"I have used this oil all my life, am pleased with oil and a great price" Read more

"...Now has just under 80,000 on it, zero mechanical problems. I'm not a GM guy but this has been a very good powertrain...." Read more

493 customers mention493 positive0 negative

Customers appreciate the value of the auto oil. They mention that it is the best oil for the money, fairly priced for a synthetic blend, and has a great brand name for the price.

"...No complaints and it's cheaper than local dealers price. Will buy again." Read more

"Timely free delivery, good price, very good product." Read more

"I have used this oil all my life, am pleased with oil and a great price" Read more

"...I change all my vehicles oil myself and this is a very good price through Amazon." Read more

130 customers mention130 positive0 negative

Customers are satisfied with the service provided by the oil. They mention that it works well, has yet to have an issue, and does a good job. Some say that the oil helps their vehicle run better and is a very good powertrain.

"It's synthetic oil, works as advertised. No complaints and it's cheaper than local dealers price. Will buy again." Read more

"...I'm not a GM guy but this has been a very good powertrain...." Read more

"No issues the stuff works great I would get it again" Read more

"Worked perfectly the first time around on a bad engine issue and restored the engine to operating correctly..." Read more

54 customers mention54 positive0 negative

Customers are satisfied with the smoothness of the auto oil. They say it makes their engine run way smoother than other name brand motors. Some mention that their old truck seems to run smoother. Overall, most are happy with the performance of their vehicle after using this oil.

"...It helps keep the engine clean on the inside and running smoothly...." Read more

"Truck runs really smooth good oil" Read more

"...This particular Synthetic GTX is 5W-30 it has a very fluent viscosity and will lubricate your engines components just fine...." Read more

"...I also noticed my old truck seemed to run smoother. I knew at that point I had made the right purchase...." Read more

24 customers mention24 positive0 negative

Customers are satisfied with the noise reduction of the auto oil. They mention that their engine is quieter, runs smoother, and doesn't rattle at all. They also appreciate the less tappit rattle on cold start. Overall, customers are happy with the quality and performance of the oil.

"The only oil I trust. This is a top quality oil and it keeps my car sounding clean. Good quality. There were no leaks." Read more

"...It does make the engine more quiet. I'd say about 10-15%!..." Read more

"...I have to say the oil definitely keeps the top end of the motor quiet with lifter noise on startup, especially in the winter which is what I wanted...." Read more

"...and the Jeep started right off and ran with no noise, so we would let it run every day and drive it when we were not..." Read more

18 customers mention18 positive0 negative

Customers are satisfied with the cleanliness of the oil. They mention that it does a great job of cleaning and protecting the engine from sludge. Some say that the oil stays cleaner longer than Valvoline. Additionally, customers appreciate the additives in the oil that help keep the engine clean and prevent engine smudge.

"...I have had valve covers off for gasket replacement and inside is super clean, no sludge...." Read more

"...It helps keep the engine clean on the inside and running smoothly...." Read more

"...It stays cleaner longer than Valvoline and thats impressive. However, you should buy it elsewhere because scamazon is very crooked!" Read more

"Great product prevents engine sludge been using this and this only since 2006" Read more

18 customers mention18 positive0 negative

Customers find the auto oil very convenient and easy to use. They say it makes life easy, is a worthwhile product, and is easy to purchase and portability. Customers also mention that the spout makes it easy to work with and that the subscription convenience is great.

"...Very convenient" Read more

"...originally thought it would be 5 separate gallons but the spout makes it easy to work with...." Read more

"...did not drop appreciably but for the price and the convenience it's a worthwhile product." Read more

"...Better than in town prices and saving lots with an easy task to do yourself" Read more

32 customers mention15 positive17 negative

Customers are mixed about the leakage of the auto oil. Some mention that it didn't leak, while others say that it leaking everywhere.

"...I don’t like is as soon as you don’t use high mileage oil it begins to leak more...." Read more

"...It has survived over 160k miles and still doesn't consume or leak a drop so apparently its adequate!..." Read more

"Great oil and a great price. However, last two time the oil has been leaking inside the package and it was also shipped with out items that had to..." Read more

"It got here with no leaks. I changed my oil now I'm ready to go!" Read more

Works fine
5 Stars
Works fine
Bought this to do an oil change in my f150 5.0Don't have any complaints. Works like it should.
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Top reviews from the United States

Reviewed in the United States on January 31, 2024
Size: 160 Fl Oz (Pack of 1)Style: High MileageConfiguration: 5W-30Verified Purchase
Reviewed in the United States on March 22, 2024
Size: 160 Fl Oz (Pack of 1)Style: High MileageConfiguration: 5W-30Verified Purchase
Reviewed in the United States on March 8, 2024
Size: 160 Fl Oz (Pack of 1)Style: High MileageConfiguration: 5W-30Verified Purchase
Reviewed in the United States on January 12, 2024
Size: 160 Fl Oz (Pack of 1)Style: High MileageConfiguration: 5W-30Verified Purchase
Reviewed in the United States on January 8, 2024
Size: 160 Fl Oz (Pack of 1)Style: High MileageConfiguration: 5W-30Verified Purchase
Reviewed in the United States on July 20, 2023
Size: 160 Fl Oz (Pack of 1)Style: High MileageConfiguration: 5W-30Verified Purchase
3 people found this helpful
Report
Reviewed in the United States on March 24, 2024
Size: 160 Fl Oz (Pack of 1)Style: High MileageConfiguration: 5W-30Verified Purchase
Reviewed in the United States on March 21, 2024
Size: 5 Quart - 3 PackStyle: High Mileage SyntheticConfiguration: 5W-20Verified Purchase

Top reviews from other countries

Monty
5.0 out of 5 stars Works as specified.
Reviewed in Canada on December 12, 2022
Size: 160 Fl Oz (Pack of 1)Style: High MileageConfiguration: 5W-30Verified Purchase