Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quarts
Castrol

Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quarts

$23.96$25.24★ 4.9(2,020 reviews)
Mubboo Score 5.8/10
  • 6X better wear protection on critical engine parts than industry standards**
  • 1.3X better sludge protection than industry standards*
  • 3X Stronger against viscosity breakdown than leading full synthetic^
  • Protection for 10,000 miles between oil changes
  • Meets or exceeds the following specifications: API SP/SN PLUS/SN | ILSAC GF-6 | Meets Ford WSS-M2C945-B1 | Meets Ford WSS-M2C960-A1 |
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Mubboo Value Score: 5.8/10

Quality9.8/10
based on 4.9/5 customer rating
Popularity0.7/10
2,020 reviews, top 71% in Motor Oil
Value6.9/10
priced below 69% of Motor Oil

How it stacks up

Rated 4.9/5 — better than 100% of 58 Motor Oil we track. Budget-tier pricing at $23.96.

Head-to-Head vs Category Leader

CastrolMotul (Leader)
Price$23.96$69.96
Rating4.9/54.9/5
Reviews2,0207,632
Mubboo Score5.8/104.2/10

The Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Qu offers comparable quality at 66% lower price.

Quick Specs

Size
5 Quarts
Manufacturer
Castrol
Model Number
15E72E
Liquid Volume
5 Quarts
Container Type
Can
Item Type Name
Full Synthetic Motor Oil
Customer Reviews
4.9 out of 5 stars
Best Sellers Rank
#912 in Automotive (See Top 100 in Automotive)#28 in Motor Oils

What reviewers say

Synthesized from 40 reviews · 100% verified purchases.

For older engines, high-mileage oils like Valvoline MaxLife can help reduce leaks and noise. Compare final cost as Amazon purchases may not qualify for manufacturer rebates, and note Castrol EDGE’s eco-pack can be harder to pour than jugs.

Rating reliability

Well reviewed — reliable rating
🟢 Sold & shipped by Amazon

About Castrol

  • 51 products in our database
  • Average rating: 4.8/5 across all products
  • Price range: $12.99 – $91.74
  • Categories: Fuel Additives, Motor Oil

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Mobil 1 High Mileage Full Synthetic Motor Oil 0W-20, 5 Quart
Mobil 1 High Mileage Full Synthetic Motor Oil 0W-20, 5 Quart
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Motul 8100 X-clean EFE 5W-30 Full Synthetic Motor Oil | Fuel Economy Formula, Helps Protect Emissions Systems, Clean Engine Performance | Long Drain Capable, Improved Engine Responsiveness | 5L
Motul 8100 X-clean EFE 5W-30 Full Synthetic Motor Oil | Fuel Economy Formula, Helps Protect Emissions Systems, Clean Engine Performance | Long Drain Capable, Improved Engine Responsiveness | 5L
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Royal Purple ROY51020 API-Licensed SAE 0W-20 High Performance Synthetic Motor Oil - 5 qt.
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Frequently Asked Questions

Is the Castrol Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Quarts worth buying in 2026?

It earns a Mubboo Score of 5.8/10, with a 4.9/5 rating from 2,020 reviews — better than 100% of Motor Oil we track.

How much does the Castrol Castrol GTX Full Synthetic 5W-20 Motor O cost?

It is currently $23.96 — budget-tier pricing for Motor Oil.

How does it compare to the top-rated Motor Oil?

The Castrol GTX Full Synthetic 5W-20 Motor Oil, 5 Qu offers comparable quality at 66% lower price.

Sources & References

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