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Motor Oil Comparison - September 2025

1
Best Choice
9.9Exceptional
2
9.8Exceptional
3
Best Value
9.6Exceptional
4
9.4Excellent
5
9.2Excellent
6
9.1Excellent
7
9.0Excellent
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Model

Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts
Model
Castrol GTX Full Synthetic 0W-20 Motor Oil, 5 Quarts
Model
Valvoline Advanced Full Synthetic SAE 0W-20 Motor Oil 5 QT
Model
Castrol GTX 10W-30 Conventional Motor Oil, 5 Quarts
Model
Mobil 1 High Mileage Full Synthetic Motor Oil 0W-20, 5 Quart
Model
Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart
Model
Valvoline High Mileage with MaxLife Technology SAE 5W-20 Synthetic Blend Motor Oil 5 QT

Brand

Castrol
Brand
Castrol
Brand
Valvoline
Brand
Castrol
Brand
Mobil
Brand
Mobil
Brand
Valvoline

Reviews

8,824 reviews
Reviews
8,824 reviews
Reviews
48,370 reviews
Reviews
21,184 reviews
Reviews
6,804 reviews
Reviews
77,330 reviews
Reviews
58,496 reviews

Features

Worth the money

9.8
Worth the money
9.8
Worth the money
9.8
Worth the money
9.8
Worth the money
9.8
Worth the money
9.8
Worth the money
9.6

Long life

9.9
Long life
9.9
Long life
9.8
Long life
9.8
Long life
9.8
Long life
9.8
Long life
9.8

Materials quality

9.9
Materials quality
9.9
Materials quality
9.8
Materials quality
9.9
Materials quality
9.8
Materials quality
9.6
Materials quality
9.9

Distance

9.9
Distance
9.9
Distance
9.8
Distance
9.8
Distance
9.9
Distance
9.8
Distance
9.8

Tech Specs

item weight

9.15 pounds
item weight
9.28 pounds
item weight
-
item weight
9 pounds
item weight
9.22 pounds
item weight
9.22 pounds
item weight
-

viscosity

5w-30
viscosity
0w-20
viscosity
-
viscosity
10W-30
viscosity
0W-20
viscosity
0W-20
viscosity
-

manufacturer part number

15E6DE
manufacturer part number
15E725
manufacturer part number
-
manufacturer part number
03093
manufacturer part number
122536
manufacturer part number
124185
manufacturer part number
-

customer reviews

4.8 4.8 out of 5 stars 4, 412 ratings 4.8 out of 5 stars
customer reviews
4.8 4.8 out of 5 stars 4, 412 ratings 4.8 out of 5 stars
customer reviews
-
customer reviews
4.8 4.8 out of 5 stars 10, 592 ratings 4.8 out of 5 stars
customer reviews
4.8 4.8 out of 5 stars 3, 402 ratings 4.8 out of 5 stars
customer reviews
4.8 4.8 out of 5 stars 38, 665 ratings 4.8 out of 5 stars
customer reviews
-

model

Castrol GTX Full Synthetic 5W-30 Motor Oil
model
Castrol GTX Full Synthetic 0W-20 Motor Oil
model
-
model
03093
model
Extended Performance
model
Extended Performance
model
-

product dimensions

-
product dimensions
-
product dimensions
-
product dimensions
4.33 x 8.27 x 12.99 inches
product dimensions
4.4 x 8.1 x 12.66 inches
product dimensions
4.4 x 8.1 x 12.66 inches
product dimensions
8.22 x 4.6 x 12.66 inches 9 Pounds

Review

-
Review Review
-
Review
-
Review Review
-
Review
-

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Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.9
    1
    Castrol
    15% Off

    Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts

    9.9 Long life
    9.9 materials Quality
    9.9 distance

    Why we love it

    Exceptional engine wear protection.
    Excellent for high-mileage vehicles.
    Highly reliable and trusted by users.
  • 9.8
    2
    Castrol
    14% Off

    Castrol GTX Full Synthetic 0W-20 Motor Oil, 5 Quarts

    9.9 Long life
    9.9 materials Quality
    9.9 distance

    Why we love it

    Superior wear protection for engine parts.
    Excellent sludge cleaning and prevention.
    Highly trusted by long-term users.
  • 9.6
    3
    Valvoline
    25% Off

    Valvoline Advanced Full Synthetic SAE 0W-20 Motor Oil 5 QT

    9.8 worth the money
    9.8 Long life
    9.8 materials Quality

    Why we love it

    Enhances engine longevity and performance.
    Improves fuel efficiency noticeably.
    Effective in cold temperatures.

Our ranking system

At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.

Features

Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
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Consumer Reviews

We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
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Popularity

Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
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Value for money

AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
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