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🚗 Keep your high-mileage engine young and unstoppable with Mobil 1 Extended Performance!
Mobil 1 Extended Performance High Mileage 5W-20 is a full synthetic motor oil designed for vehicles with over 75,000 miles. It offers up to 20,000 miles of protection using a Triple Action+ Formula that enhances engine performance, cleanliness, and power. This oil provides superior heat protection up to 500°F and cold start protection down to -40°F, meets ILSAC GF-6 standards, and helps reduce engine wear, leaks, and sludge buildup. Trusted by mechanics and NASCAR®, it’s the go-to choice for maintaining and extending the life of high-mileage engines.



| ASIN | B083TQSYG7 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #12 in Automotive ( See Top 100 in Automotive ) #3 in Motor Oils |
| Brand | Mobil |
| Brand Name | Mobil |
| Compatible with Vehicle Type | Car |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 1,660 Reviews |
| Item Highlight | 20,000-Mile Protection | High Mileage Defense | Triple Action Formula |
| Item Type Name | Full Synthetic Motor Oil |
| Liquid Volume | 160 fluid ounces |
| Manufacturer | Mobil 1 |
| Manufacturer Part Number | 123840 |
| Manufacturer Warranty Description | Limited Warranty - Please contact manufacturer for full details |
| Model Number | Extended Performance High Mileage |
| Number of Packs | 1 |
| Package Information | Bottle |
| SAE J300 Viscosity Grade | 5W-20 |
| Size | 5 Quart (Pack of 1) |
| UPC | 071924150201 |
| Unit Count | 160 Fluid Ounces |
| Vehicle Service Type | Car |
| Viscosity Level | Low to Medium |
T**D
Reliable Protection for High Mileage Engines
I’ve been using Mobil 1 Extended Performance High Mileage 5W-20 for my vehicle, and I’m very satisfied with the results. It runs smoothly and feels noticeably more refined after the oil change. I appreciate that it’s designed specifically for higher mileage engines—it helps reduce engine wear and keeps things running efficiently. I’ve also noticed less engine noise and a smoother startup, especially on colder mornings. The 5-quart container is convenient and makes oil changes easy without needing multiple bottles. Overall, this is a trusted, high-quality oil that gives me confidence in my engine’s long-term health. Definitely worth it for anyone wanting reliable protection and performance!
G**Y
Amazing oil
I have a '17 KIA with 2.0L Turbo. I switched to a major brand synthetic oil after about 10,000 miles. About 7 years later at 55,000, I started seeing oil consumption. I had been using Mobil1 0W-20 Hi-Mileage/Ext. Performance in our Honda van for years and we had zero problems with it - that engine is known to have oil fouling issues resulting in overhaul or new engine. So, I decided to use it (5W-30) in the KIA. It took two yearly changes to stop the oil use. I just checked it today, 4000 miles since the last oil change and NO OIL USAGE! I think this oil is mandatory for any vehicle over 50,000 miles - at least it is in my driveway. You might wonder how it 'cured' that engine - dissolving hard carbon is what it does. Once the piston rings are freed to expand, they seal the cylinder like they're designed to do and oil consumption stops. Engines that have broken rings or scored cylinders from the carbon build-up may not have the best results, but it sure doesn't hurt to try. You do have to give it time to work. The best thing is to start using it before the trouble starts.
D**Z
Amazon has the best prices on oil !
Arrived on time undamaged , best prices for Mobil one anywhere besides Walmart of course! Good synthetic quality 5w-30 oil . Only thing I would say is it depends on the driver and how it gets handled in transit because sometimes they do get damaged and leaks to where it has to be returned but that’s the gamble you take when ordering oil to get delivered.
I**Z
Great for the engine
I absolutely recommend this engine oil. My 2015 Honda Odyssey needed change of oil and it was kind of runny a little bit rough due to gas containing 15 percent alcohol. Once I changed the oil, car runs beautiful smooth and very pleasant.
R**E
Top end quality
Only oil I use in my Durango 3.6 lt 137,000 miles
E**A
Trusted Brand
Both our cars are over 150k miles and they run like new, all due to this product. Keep your oil changes regularly, on time, use genuine oil filter products and you should see your car perform longer.
A**R
Great pricing
Great pricing
S**O
Top notch oil
Highly recommend Mobil 1, great value for the money, fits all cars that take 5w 20. Better fuel performance, makes the oil appear to lubricate the engine and great brand and quality oil. Appears golden
D**O
Excelente preció por el producto.
Execelente precio a comparación del mercado local
E**O
Que el vehículo funcione bien con un buen aceite
Muy buen aceite
C**2
buen producto
buen producto
J**Y
Satisfecho
Este si llego en tiempo y forma, y fue el producto correcto , mi experiencia fue muy buena con este producto, en cuanto al envío y que si me mandaron lo que pedí.
J**S
excelente
mi motor quedo serenito, super precio, normalmente en las refaccionarias esta entre 200 a 300 pesos mas... lo super recomiendo, llego a tiempo y seguro
Trustpilot
2 months ago
5 days ago