Best High Mileage Synthetic Oils In December 2024

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There is always a perfect Best High Mileage Synthetic Oils out there in the market for you. However, you may not have the time and resources to try and research each of them in detail. So we’ve done the heavy lifting and are sharing below our detailed review of Top 10 Best High Mileage Synthetic Oils.

To help you in your search, we have completed this list of the Best High Mileage Synthetic Oils.

Top Rated Best High Mileage Synthetic Oils Of 2024

Rank	Product Name	Score
1	Castrol 03110 GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quart Buy Now	9.7 Buy Now
2	Castrol 03112 GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quart Buy Now	9.5 Buy Now
3	AmazonBasics High Mileage Motor Oil, Full Synthetic, SN Plus, dexos1-Gen2, 5W-30, Pack of Buy Now	9.1 Buy Now
4	Mobil 1 10W-40 High Mileage Full Synthetic Motor Oil, 5 qt Buy Now	8.8 Buy Now
5	Pennzoil High Mileage Conventional 5W-20 Motor Oil for Vehicles Over 75K Miles Buy Now	8.6 Buy Now
6	(6 Pack) Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 QT Buy Now	8.3 Buy Now
7	Castrol 03129C EDGE High Mileage 10W-30 Advanced Full Synthetic Motor Oil, Black, 5 Buy Now	8.1 Buy Now
8	Castrol 03124 EDGE 0W-20 Advanced Full Synthetic Motor Oil, 5 Quart Buy Now	7.8 Buy Now
9	Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 0W-20 Motor Oil 5 Buy Now	7.5 Buy Now
10	Castrol 03128C EDGE High Mileage 5W-30 Advanced Full Synthetic Motor Oil, 5 quart,Black Buy Now	7.2 Buy Now

1. Castrol 03110 GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quart

• Superior detergency that helps prevent deposit build up
• Exceeds ilsac gf-5, api sn
• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Superior oil burn off protection versus leading conventional oils
• Seal conditioners help reduce leaks, bottle color: green
• Advanced additives that help prevent engine wear

2. Castrol 03112 GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quart

• Superior detergency that helps prevent deposit build up
• Exceeds ilsac gf-5, api sn
• Seal conditioners help reduce leaks, bottle color: green
• Superior oil burn off protection versus leading conventional oils
• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Advanced additives that help prevent engine wear

3. AmazonBasics High Mileage Motor Oil, Full Synthetic, SN Plus, dexos1-Gen2, 5W-30, Pack of

• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.

4. Mobil 1 10W-40 High Mileage Full Synthetic Motor Oil, 5 qt

• 5-qt bottle ideal for multiple oil changes helps older engines last for a longer time
• Reduces deposits and sludge contains a seal conditioner to keep seals in working condition and help prevent leaks
• High-mileage passenger car motor oil specially designed for older engines
• Provides wear protection, cleaning power and overall performance
• Ideal for passenger cars, suvs, light vans and trucks

5. Pennzoil High Mileage Conventional 5W-20 Motor Oil for Vehicles Over 75K Miles

• Contains seal conditioning agents for dry or cracked engine seals to help reduce leaks and oil consumption
• Helps prevent sludge and other damaging deposits
• Synthetic blend high mileage 5w-20 engine oil specially formulated for new or late model suvs, light vans and trucks, and passenger cars
• Recommended for vehicles with over 75,000 miles
• Single 5-quart bottle with ergonomic design for easy handling and pouring
• Provides proven wear protection for engine parts

6. (6 Pack) Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 QT

• Advanced additives that help prevent engine wear
• Seal conditioners help reduce leaks, bottle color: green
• Superior oil burn off protection versus leading conventional oils
• Superior detergency that helps prevent deposit build up
• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Exceeds ilsac gf-5, api sn

7. Castrol 03129C EDGE High Mileage 10W-30 Advanced Full Synthetic Motor Oil, Black, 5

• Reduces leaks, oil burn off and power-robbing deposits
• Maximizes short and long term engine performance on high mileage engines
• Improves fuel economy
• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Titanium strong for maximum engine performance in vehicles with over 75,000 miles
• Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown

8. Castrol 03124 EDGE 0W-20 Advanced Full Synthetic Motor Oil, 5 Quart

• Meets the needs of honda, toyota, acura, lexus and other vehicles where 0w-20 grade is recommended
• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Superior engine protection vs conventional and synthetic blend oils
• Superior performance against deposits, wear and oxidation, bottle color: black
• Exceeds ilsac gf-5, api sn, acea a1, acea b1
• 42 percent better rating on fighting power robbing deposits

9. Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 0W-20 Motor Oil 5

• Premium, full synthetic base oil for the best protection against engine heat and stress
• Extra detergents keep older engines cleaner by bonding with and removing sludge and deposits
• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Seal conditioners rejuvenate aging engine seals to help stop and prevent oil leaks
• Extra wear protection helps prevent future engine wear

10. Castrol 03128C EDGE High Mileage 5W-30 Advanced Full Synthetic Motor Oil, 5 quart,Black

• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Reduces leaks, oil burn off and power-robbing deposits
• Maximizes short and long term engine performance on high mileage engines
• Titanium strong for maximum engine performance in vehicles with over 75,000 miles
• Improves fuel economy
• Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown