Best Oil For High Mileage Diesel Engine: image
Top Pick

Mobil 1 High Mileage full synthetic motor oil 10W-30 is designed to provide low-speed pre-ignition (LSPI) and low-temperature protection for engines up to 10,000 miles, whichever comes first. The product’s formulation also includes anti-wear additives that help reduce friction and wear on the engine. It has been tested under various driving conditions including high-speed acceleration and overheating. Notably, it was approved by the National Highway Traffic Safety Administration in 2015.

Value for Money

Mobil 1 10W-40 High Mileage Full Synthetic Motor Oil, 5 qt. The oil is designed to provide excellent wear protection, cleaning power and overall performance. It contains no harmful chemicals or additives in the oil. It has been tested on diesel engines and can be used for up to 10,000 miles without any problems. Notably, this product was launched by Mobil in 2015. It is also suitable for use in high-mileage vehicles.

Honorable Mention

Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30 is designed to help extend engine life and prevent sludge build-up. The oil contains no additives or petroleum products, making it the best choice for high mileage engines. It also helps reduce friction in the combustion process, helping to prevent deposits and sludge build-up. Mobil 1 has been approved by the National Highway Traffic Safety Administration (NHTSA) for use on highways. Notably, this comes after tests revealed that the oil can damage fuel.

Best Oil For High Mileage Diesel Engine

Top 8 Best Oil For High Mileage Diesel Engine

Top Pick
1

Mobil 1 High Mileage 10W-30 Motor Oil – 5 Quart

14,431 ratings | 13 offers | 14,431 Reviews
Price: $35.99$63.5
Why we chose it
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Helps to protect your engine from the five factors that can damage engines over time
  • Fit type: Universal Fit
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperatures (to -40 degrees F)
  • Mobil 1 High Mileage full synthetic motor oil 10W-30 is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI),timing chain wear protection while keeping your engine clean and helping your fuel economy
Mobil 1 High Mileage 10W-30 Motor Oil - 5 Quart: image
98%
customers recommend this product
4.9/ 5
Longevity4.8
Mileage4.8
Sheerness4.8
Value for money4.7
2
Why we chose it
  • Single 5-quart bottle with ergonomic design for easy handling and pouring
  • Helps prevent sludge and other damaging deposits
  • Exceeds the requirements of the following industry specifications: API SP and all previous categories
  • Recommended for vehicles with over 75, 000 miles
  • Contains seal conditioning agents for dry or cracked engine seals to help reduce leaks and oil consumption
  • Provides proven wear protection for engine parts
  • Conventional High Mileage 10W-30 engine oil specially formulated for new or late model SUVs, light vans and trucks, and passenger cars
Pennzoil High Mileage Conventional 10W-30 Motor Oil for Vehicles Over 75K Miles (5-Quart, Single-Pack): image
96%
customers recommend this product
4.8/ 5
Flavor4.8
Sheerness4.7
Longevity4.7
Mileage4.6
Value for money4.6
3

Mobil 1 High Mileage (120769) 5W-30 Motor Oil – 5 Quart

2,491 ratings | 4 offers | 2,491 Reviews
Price: $27.47$54
Why we chose it
  • Product Type : Auto Accessory
  • Outperforms Our Conventional High Mileage Oils
  • Excellent Overall Lubrication And Wear Protection
  • Helps Protect Critical Engine Parts In Higher Mileage Engines
Mobil 1 High Mileage (120769) 5W-30 Motor Oil - 5 Quart: image
98%
customers recommend this product
4.9/ 5
Longevity4.9
Mileage4.8
Value for money4.8
Sheerness4.6
4

Castrol 03110 GTX High Mileage 10W-30 Motor Oil – 5 Quart

1,496 ratings | 1 offers | 1,496 Reviews
Price starts from: $19.66
Why we chose it
  • Superior oil burn off protection versus leading conventional oils
  • Advanced additives that help prevent engine wear
  • Exceeds ILSAC GF-5, API SN
  • Superior detergency that helps prevent deposit build up
  • Seal conditioners help reduce leaks Bottle Color: Green
Castrol 03110 GTX High Mileage 10W-30 Motor Oil - 5 Quart: image
96%
customers recommend this product
4.8/ 5
Flavor5
Mileage4.8
Longevity4.7
Value for money4.7
Sheerness4.6
5
Why we chose it
  • Superior detergency that helps prevent deposit build-up
  • Seal conditioners help reduce leaks
  • Exceeds ILSAC GF-5 and API SN standards
  • Superior oil burn-off protection versus leading conventional oils
  • Advanced additives that help prevent engine wear
Castrol 06450 GTX 10W-30 High Mileage Motor Oil - 1 Quart, (Pack of 6): image
96%
customers recommend this product
4.8/ 5
6
Why we chose it
  • Seal conditioners help reduce leaks
  • Superior detergency that helps prevent deposit build-up
  • Advanced additives that help prevent engine wear
  • Superior oil burn-off protection versus leading conventional oils
  • Exceeds ILSAC GF-5 and API SN standards
Castrol 06470 GTX 20W-50 High Mileage Motor Oil - 1 Quart, (Pack of 6): image
96%
customers recommend this product
4.8/ 5
Longevity5
Value for money4.5
Mileage4.4
7
Why we chose it
  • Advanced additives that help prevent engine wear
  • Exceeds ILSAC GF-5 and API SN standards
  • Superior detergency that helps prevent deposit build-up
  • Superior oil burn-off protection versus leading conventional oils
  • Seal conditioners help reduce leaks
Castrol 06460 GTX 10W-40 High Mileage Motor Oil - 1 Quart, (Pack of 6): image
90%
customers recommend this product
4.5/ 5
8

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

783 ratings | 2 offers | 783 Reviews
Price: $55.29$56.51
Why we chose it
  • 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
  • Ideal for passenger cars, SUVs, light vans and trucks
  • 5-qt bottle ideal for multiple oil changes Helps older engines last for a longer time
  • Provides wear protection, cleaning power and overall performance
Mobil 1 10W-40 High Mileage Full Synthetic Motor Oil, 5 qt.: image
96%
customers recommend this product
4.8/ 5
Longevity4.7
Mileage4.7
Value for money4.6
Sheerness4.5
Top Pick
Mobil 1 High Mileage 10W-30 Motor Oil - 5 Quart
Mobil 1 High Mileage full synthetic motor oil 10W-30 is designed to help extend engine life for high mileage engines of all ages with over 75,000 miles and contains a proprietary blend that protects 10,000 miles between oil changes*. Mobil 1 High Mileage contains a seal conditioner to help reduce oil leaks in higher mileage vehicles, and its uniform synthetic oil molecules reduce friction, helping to prevent deposits and sludge buildup. This technologically advanced formulation provides excellent internal engine heat protection (up to 500 degrees Fahrenheit) and low-temperature protection (to -20 degrees Fahrenheit),supporting quick cold-weather starting and ultra-fast protection. Mobil 1 High Mileage helps provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean. Available in 1-qt. and 5-qt. bottles, Mobil 1 High Mileage full synthetic motor oil 10W-30 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern vehicles, including high-performance turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s leading synthetic motor oil brand at retail**, recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®. (*Protects for up to 10,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. **Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO Full Synthetic/ 52 weeks ending February 27, 2021)
Ranking the Brands
Mobil 1: 25.00%
Pennzoil: 12.50%
Mobil 1 High Mileage: 12.50%
Castrol: 50.00%

Comparison Table

Сomparison: Mobil 1 High Mileage 10W-30 Motor Oil - 5 Quart: imageСomparison: Pennzoil High Mileage Conventional 10W-30 Motor Oil for Vehicles Over 75K Miles (5-Quart, Single-Pack): imageСomparison: Mobil 1 High Mileage (120769) 5W-30 Motor Oil - 5 Quart: imageСomparison: Castrol 03110 GTX High Mileage 10W-30 Motor Oil - 5 Quart: imageСomparison: Castrol 06450 GTX 10W-30 High Mileage Motor Oil - 1 Quart, (Pack of 6): imageСomparison: Castrol 06470 GTX 20W-50 High Mileage Motor Oil - 1 Quart, (Pack of 6): imageСomparison: Castrol 06460 GTX 10W-40 High Mileage Motor Oil - 1 Quart, (Pack of 6): imageСomparison: Mobil 1 10W-40 High Mileage Full Synthetic Motor Oil, 5 qt.: image
Mobil 1 High Mileage 10W-30 Motor Oil – 5 QuartPennzoil High Mileage Conventional 10W-30 Motor Oil for Vehicles Over 75K Miles (5-Quart, Single-Pack)Mobil 1 High Mileage (120769) 5W-30 Motor Oil – 5 QuartCastrol 03110 GTX High Mileage 10W-30 Motor Oil – 5 QuartCastrol 06450 GTX 10W-30 High Mileage Motor Oil – 1 Quart, (Pack of 6)Castrol 06470 GTX 20W-50 High Mileage Motor Oil – 1 Quart, (Pack of 6)Castrol 06460 GTX 10W-40 High Mileage Motor Oil – 1 Quart, (Pack of 6)Mobil 1 10W-40 High Mileage Full Synthetic Motor Oil, 5 qt.
Package InformationBottleJug, BottleBottleBottleBottleBottleCanBottle
Viscosity10w-3010W-305w-3010w-3010w-3020w-5010w-4010w-40
BrandMobil 1PennzoilMobil 1 High MileageCastrolCastrolCastrolCastrolMobil 1
Vehicle Service TypeCarCar, TruckCarCarCar, Truck
Liquid Volume160 Fluid Ounces160 Fluid Ounces160 Fluid Ounces160 Fluid Ounces32 Fluid Ounces32 Fluid Ounces32 Fluid Ounces160 Fluid Ounces
ManufacturerExxonMobilPennzoilMobil 1CastrolCastrolCastrolCastrolMobil 1
Item Weight9 pounds9.28 pounds8 pounds9.3 pounds2.48 pounds2.15 pounds2.15 pounds9.48 pounds
Product Dimensions4.4 x 8.1 x 12.6 inches4.4 x 8.1 x 12.66 inches11.9 x 9.5 x 4.5 inches5 x 3 x 9 inches1.63 x 1.29 x 1.55 inches1.63 x 1.29 x 1.55 inches
Is Discontinued By ManufacturerNoNoNoNo
Size5 Quart5 Quart5 Qt

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