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popularRokket | Staff posted Today 02:59 AM

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popularRokket | Staff posted Today 02:59 AM

5-Quart Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil $14.20 w/ S&S + Free Shipping w/ Prime or on $35+

$14

$32

56% off

Amazon

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Amazon [amazon.com] has 5-Quart Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil on sale for $14.95 - 5% off when you checkout via Subscribe & Save = $14.20. Shipping is free w/ Prime or on orders $35+.

This sale price matches the April 2026 Frontpage deal which received + 56 votes from the community.

Features:

Phosphorus Replacement Technology extends emission system life
Superior dispersancy fights sludge build up inside engine
Seal conditioners help reduce oil leaks from aging gaskets
Advanced additives prevent engine wear and improve fuel economy
Meets API SP/SN PLUS/SN/SM and ILSAC GF-6 specifications

Phosphorus Replacement Technology extends emission system life
Superior dispersancy fights sludge build up inside engine
Seal conditioners help reduce oil leaks from aging gaskets
Advanced additives prevent engine wear and improve fuel economy
Meets API SP/SN PLUS/SN/SM and ILSAC GF-6 specifications

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Model: Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts

Deal History

Sale Price

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Post Date	Sold By	Sale Price	Activity
04/29/26	Amazon	$14 Frontpage	28
04/13/26	Amazon	$14 Frontpage	8
04/10/26	Amazon	$14 Frontpage	4

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3 Comments

SharpManatee101

Today 04:06 AM

4 Posts

Joined Apr 2026

SharpManatee101Today 04:06 AM

4 Posts

It's not a bad deal but not too amazing either

JAX-FL

Today 12:50 PM

510 Posts

Joined Aug 2010

JAX-FLToday 12:50 PM

510 Posts

Quote from SharpManatee101

It's not a bad deal but not too amazing either

Thats because this isnt not a bad deal.com nor not too amazing.com. Is it slick though? Id say yes, but only because its oil. nyuck nyuck. Big Grin

Last edited by JAX-FL May 24, 2026 at 06:01 AM.

MX400ex72

Today 04:21 PM

2,839 Posts

Joined Aug 2016

MX400ex72Today 04:21 PM

2,839 Posts

Got one for the mowers. Quick google search suggest small engines may benefit from a syn blend more so than full syn.

Either way, it's going in the mower, which likely doesn't care much what oil you put in it.

Unregistered (You)

Autos Motor Oil Motor Oil Castrol Amazon

Rating:	(4.8 out of 5 stars)
Reviews:	3,348 Amazon Reviews
Manufacturer:	Castrol
Model Number:	03110
Product SKU:	B00GSX43WE
UPC:	79191231104
ASIN:	B00GSX43WE
Brand:	Castrol
Item Dimensions LxWxH:	11.9 x 9.5 x 4.5 inches
Item model number:	03110
Manufacturer:	Castrol

5-Quart Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil $14.20 w/ S&S + Free Shipping w/ Prime or on $35+

$14

$32

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5-Quart Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil $14.20 w/ S&S + Free Shipping w/ Prime or on $35+

$14

$32

Price Intelligence

Deal History Deal History includes data from multiple reputable stores, such as Best Buy, Target, and Walmart. The lowest price among stores for a given day is selected as the "Sale Price". Sale Price does not include sale prices at Amazon unless a deal was posted by a community member.

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