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The 10 Best Synthetic Engine Oils

Apr 2024

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The Score indicates the overall value of the product.
The rating is based on multiple factors:
The 3 metrics ‐ Opinions, Popularity and Quality,
and other indicators such as: Relative Price, Brand,
Reputation and more.
Popularity

Based on thousands of discussions

Opinions

Based on customer reviews

Quality

Based on Expert reviews and articles

Various Indicators

such as Brand reputation and relative price

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$19
$28+
Rank
Manufacturer
Product Name
Score
1
Best Synthetic Engine Oils - Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Review Castrol
9 . 9
2
Best Synthetic Engine Oils - Pennzoil Synthetic Blend 5W-30 Motor Oil (5-Quart, Single) Review Pennzoil
9 . 4
3
Best Synthetic Engine Oils - Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Review Shell Rotella
9 . 3
4
Best Synthetic Engine Oils - Maintenance 2 PK Kohler Engine 10W30 Synthetic Blend Review Maintenance
9 . 0
5
Best Synthetic Engine Oils - Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil Review Valvoline
8 . 5
6
Best Synthetic Engine Oils - Castrol Edge High Mileage 10W-30 Advanced Full Synthetic Review Castrol
8 . 3
7
Best Synthetic Engine Oils - Pennzoil Platinum Full Synthetic 0W-20 Motor Oil Review Pennzoil
8 . 0
8
Best Synthetic Engine Oils - Mobil 1 High Mileage Full Synthetic Motor Oil Review Mobil 1
7 . 6
9
Best Synthetic Engine Oils - Shell Rotella T5 Synthetic Blend 15W-40 Diesel Motor Review Shell Rotella
7 . 4
10
Best Synthetic Engine Oils - Valvoline Extended Protection Full Synthetic Motor Oil SAE Review Valvoline
7 . 0
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