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The Best Motor Oils

We compared eight Mobil 1 motor oils on owner ratings, expert reviews, and price. Mobil 1 Extended Performance High Mileage Full Synthetic Oil 5W-30 is our top pick.

Updated

The bottom line

Mobil 1 Extended Performance High Mileage Full Synthetic Oil 5W-30 (asin B07GL4KW5Q) is our top pick for motor oil, scoring 10 out of 10 on owner ratings and offering up to 20,000 miles between oil changes. It's designed for engines with over 75,000 miles and provides superior protection and performance. The closest alternative is Mobil 1 Advanced Full Synthetic Motor Oil 10W-30 (asin B0CXPYTLBJ), which also scores 10 on owner ratings but is slightly more expensive at $63.94 for two 5-quart packs. For a budget option, consider Mobil 1 Advanced Fuel Economy (asin B00J00X5YO) at $30.37, which offers good performance and fuel efficiency.

Top pick
Mobil 1 Extended Performance High Mileage Full Synthetic Oil 5W-30Mobil 1 Extended Performance High Mileage Full Synthetic Oil 5W-30 $34.17

Best overall motor oil for high-mileage engines

Mobil 1 Extended Performance High Mileage Full Synthetic Oil 5W-30 is our top pick due to its high owner ratings, extended oil change intervals, and superior protection features. Priced at $34.17, it offers a good balance of performance and cost for high-mileage engines. The tradeoff is its higher price compared to some other options.

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Runner-up
Mobil 1 Advanced Full Synthetic Motor Oil 10W-30Mobil 1 Advanced Full Synthetic Motor Oil 10W-30 $63.94

Best for severe conditions and extended engine life

Mobil 1 Advanced Full Synthetic Motor Oil 10W-30 is a strong runner-up, offering excellent protection and performance under severe conditions. Priced at $63.94 for two 5-quart packs, it's a bit more expensive but provides peace of mind for demanding engines.

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Budget pick
Mobil 1 Advanced Fuel EconomyMobil 1 Advanced Fuel Economy $30.37

Best budget option for fuel efficiency

Mobil 1 Advanced Fuel Economy offers good performance and fuel efficiency at a lower price of $30.37. It's a suitable choice for those looking to save money without sacrificing quality.

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The field, ranked

  1. Mobil 1 Extended Performance High Mileage Full Synthetic Oil 5W-30 Best for high-mileage engines with extended oil change intervals. 10.0/10 $34.17 Amazon
  2. Mobil 1 Advanced Full Synthetic Motor Oil 10W-30 Best for severe conditions and extended engine life. 10.0/10 $63.94 Amazon
  3. Mobil 1 Advanced Fuel Economy Best budget option for fuel efficiency. 9.0/10 $30.37 Amazon
  4. Mobil 1 0W-20 Good all-around performance with extended protection. 9.0/10 $35.97 Amazon
  5. Mobil 1 Extended Performance High Mileage Good for high-mileage engines with extended oil change intervals. 9.0/10 $68.34 Amazon
  6. Mobil 1 High Mileage Full Synthetic Motor Oil Good for high-mileage engines with extended protection. 9.0/10 $31.97 Amazon
  7. Mobil 1 High Mileage Oil Good for high-mileage engines with improved gas mileage. 9.0/10 $34.17 Amazon
  8. Mobil 1 Advanced Full Synthetic Motor Oil Good all-around performance with extended protection. 9.0/10 $31.97 Amazon

Who should buy which

High-mileage vehicle owners should consider Mobil 1 Extended Performance High Mileage Full Synthetic Oil 5W-30 (asin B07GL4KW5Q) for its extended oil change intervals and superior protection. Those looking for severe condition protection should opt for Mobil 1 Advanced Full Synthetic Motor Oil 10W-30 (asin B0CXPYTLBJ). Budget-conscious buyers should look at Mobil 1 Advanced Fuel Economy (asin B00J00X5YO) for its good performance at a lower price.

Also-rans

Mobil 1 0W-20 (asin B00JTUBTQG) and Mobil 1 High Mileage Full Synthetic Motor Oil (asin B00JTUBP8I) are good options but don't offer the same extended oil change intervals or severe condition protection as the top picks. Mobil 1 High Mileage Oil (asin B083TQSYG7) and Mobil 1 Advanced Full Synthetic Motor Oil (asin B00I4E91GI) are solid choices but are slightly more expensive without offering significant additional benefits.

How this was put together

This guide is based on owner ratings, expert reviews, and price comparisons from the provided dossiers. We did not conduct hands-on testing. The evidence is robust for most products, but some have fewer owner ratings or expert reviews, which may affect their ranking.