Advertising Disclosure
Brake Fluid Comparison - July 2025
| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.6Exceptional |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelBOSCH ESI6-32N Brake Fluid (Direct Replacement for DOT 3, DOT 4, and DOT 5.1) - 1 Quart | Model Lucas Oil 10826 Brake Fluid - 1 Quart | Model Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz. |
BrandBosch Automotive | Brand Lucas Oil | Brand Prestone |
Reviews | Reviews | Reviews |
Tech Specs | ||
product dimensions 2.75 x 3.44 x 7.32 inches | product dimensions 22.5 x 9 x 8.9 inches | product dimensions 15 x 11 x 10 inches |
item weight 2 pounds | item weight 2.2 pounds | item weight 2 pounds |
manufacturer part number ESI6-32N | manufacturer part number 10826 | manufacturer part number AS401 |
customer reviews4.8 4.8 out of 5 stars 3, 253 ratings 4.8 out of 5 stars | customer reviews 4.8 4.8 out of 5 stars 1, 645 ratings 4.8 out of 5 stars | customer reviews 4.8 4.8 out of 5 stars 1, 144 ratings 4.8 out of 5 stars |
model Brake Fluid | model 10826 | model AS401 |
Available On | Available On   | Available On |
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
1Bosch Automotive13% OffBOSCH ESI6-32N Brake Fluid (Direct Replacement for DOT 3, DOT 4, and DOT 5.1) - 1 Quart
Main highlights- Wet boiling point ~ 365 DegreeF/Viscosity at -40 DegreeC ~ 685mm2/s
- Standard brake fluid has a recommended change interval of 2 years. The recommended change interval for Bosch ESI6 is 3 years.
- High compatibility. Use with or direct replacement for DOT 3, DOT 4, and DOT 5. 1
- Fit Type: Universal Fit
- Extended Service Interval (ESI): Lasts 100 percent longer than DOT 3, 50 percent longer than DOT 4, and 10 percent longer than DOT 5. 1
- Exceeds all DOT 3, DOT 4, and DOT 5. 1 standards
-
9.8
2Lucas Oil
Lucas Oil 10826 Brake Fluid - 1 Quart
Why we love it
Prevents seal hardening or softening.
Protects against rust and corrosion.
Great price for a high-quality brake fluid.
Main highlights- Provides excellent lubricity
- Protects against rust and corrosion
- Prevents seal hardening or softening
- High quality blend of polyethylene glycol ethers and additives
- Compatible with all brake system rubber components and other brake fluids
-
9.6
3Prestone
Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz.
Main highlights- Provides an extra margin of safety in extreme braking conditions
- Mix of polyglycol ethers ensures hot brake-system operation will not create dangerous vapor
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy pedal
- Both wet and dry boiling points exceed the minimum government standards
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.
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.
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.
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.
