

🚗 Keep your high-mileage engine running like new—longer, cleaner, stronger!
Mobil 1 Extended Performance High Mileage 5W-30 is a premium full synthetic motor oil designed for vehicles with over 75,000 miles. It offers up to 20,000 miles between oil changes, superior heat and cold protection (-40°F to 500°F), and advanced engine cleanliness with its Triple Action+ Formula. Meeting ILSAC GF-6 standards, it helps prevent engine wear, sludge buildup, and improves fuel economy, making it the trusted choice for high-mileage engines and performance vehicles.



| ASIN | B07GL4KW5Q |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #7 in Automotive ( See Top 100 in Automotive ) #1 in Motor Oils |
| Brand | Mobil |
| Customer Reviews | 4.8 4.8 out of 5 stars (51,271) |
| Date First Available | August 20, 2019 |
| Exterior | Per Item Description |
| Flash Point | 249 Degrees Celsius |
| Item Weight | 9.25 pounds |
| Item model number | Extended Performance High Mileage |
| Manufacturer | Mobil 1 |
| Manufacturer Part Number | 123843 |
| Model | Mobil 1 Extended Performance High Mileage |
| OEM Part Number | 123843-1 |
| Product Dimensions | 4.4 x 8.1 x 12.66 inches |
| SAE J300 Viscosity Grade | 5W-30 |
| Size | 5 Quart |
| UPC | 071924150218 |
| Vehicle Service Type | Car, Truck |
| Viscosity | 5W-30 |
J**T
Great price and quality, you won't be disappointed!
What can I say? It's Mobil One. I now have 305K on my truck and used this since day one. Not one issue and I borescoped my motor and it looks brand new inside. No BS
G**I
Better oil.
The oil made my 4N15 turbo diesel much quieter than Amsoil 5w30 Max Duty. It is running much smoother than before. I have also tried Hot Shot Secret 10w-40, but Mobil 1 felt much smoother and quieter and is much cheaper. I will be ordering again.
K**K
Reliable Full Synthetic Oil with Proven Performance
Mobil 1 Advanced Fuel Economy Full Synthetic motor oil has been consistently reliable in my experience. It pours smoothly, performs well in both cold starts and normal driving conditions, and helps the engine run quietly and smoothly. Oil changes using this product show good oil condition even after extended mileage, which reflects its strong protection and high-quality formulation. One of the biggest advantages is its reputation and consistency—Mobil 1 is widely trusted, and this oil meets or exceeds manufacturer specifications for many vehicles. It’s especially well-suited for daily drivers looking for dependable protection and potential fuel economy benefits without overthinking oil choices. The main downside is the price compared to conventional or store-brand synthetic oils, especially when not purchased on sale. However, given the performance, engine protection, and peace of mind, the cost feels justified. Overall, this is a solid choice for anyone who wants a proven, high-quality full synthetic oil for regular maintenance. It delivers consistent results and long-term reliability.
H**F
⭐⭐⭐⭐⭐ Reliable and High-Quality Motor Oil
I use Mobil 1 Advanced Fuel Economy 0W-20 in my vehicle, and it performs exactly as expected. The oil flows smoothly on cold starts, provides excellent engine protection, and helps maintain good fuel economy. It’s easy to pour, doesn’t leave residue, and keeps my engine running clean and quiet. For anyone looking for full synthetic, high-performance motor oil, this is a solid choice.
A**M
Great product at a good price, highly recommended
I've always had great luck with Mobil 1 synthetics. Good product at a good price. I typically change oil every 5000 miles even with the synthetic and all of my cars have always reached 200k+ miles. Like they say, oil is the life blood of a car and Mobil 1 certainly proves that to me
P**.
No need to say
Mobil 1 is the frontrunner in engine oil products, and I have been using this for my European cars for years. The mileage and fit for engine protection is what you would expect. The quality is high and the performance on my car is clearly obvious with a smooth operation. The mileage coverage is great and listed over 10,000 miles but I usually change it by then and within a year.
M**L
Its a solid choice for maintaining engine health and performance
This motor oil is a good value for the money. I’ve purchased it several times and use it every 5,000 miles when changing my oil. It functions exactly as it should, and I haven’t noticed any unusual engine noise when using it. The oil has a beautiful golden color when poured and helps extend the life of my engine. One container is sufficient to fill my car’s requirements. Pros: Good value for the money Smooth engine performance with no unusual noise Beautiful golden color Helps extend engine life Cons: None observed Conclusion: Overall, this motor oil is reliable, effective, and convenient. It’s a solid choice for maintaining engine health and performance.
P**S
Solid Choice for a High-Mileage Honda Element
I’m using this in a Honda Element with over 325,000 miles, and it’s been a solid choice for me. The engine runs smoothly and feels well protected. No issues with performance, and it gives peace of mind for a high-mileage vehicle. For older engines that are still going strong, this oil does exactly what it’s supposed to do.
M**D
المنتج مطابق للوصف
H**.
Long-lasting
J**O
Un aceite de gran calidad y original al 100%. lo utilice para mi focus 2016 y jala muy bien el auto de 10
A**F
Good one, mobil1 from the best brands
S**N
Original Mobil 1 Oil High Quality
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