Best Oil Additives of 2025

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Last Updated - 17/12/2025

Best Choice

1

Clicked 43 times in the last month

Liqui Moly

LIQUI MOLY Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1

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9.9

Exceptional

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

9.1
worth the money

9.1
distance

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Why we love it

Extends engine lifespan effectively.

Reduces fuel consumption noticeably.

Compatible with most engine oils.
2

Lucas Oil

Lucas Oil 10001 Heavy Duty Oil Stabiliser, 946 ml

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9.7

Exceptional

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

9.5
worth the money

9.3
materials Quality

9.1
Noise level

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Why we love it

Significantly extends oil life, saving on frequent changes.

Reduces oil consumption, leading to cost savings.

Eliminates dry starts, protecting engine longevity.
Value for Money

3

Liqui Moly

LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591

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9.5

Excellent

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

9.9
Simple to use

9.7
Sheerness

9.5
worth the money

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Why we love it

Reduces engine friction efficiently.

Enhances engine longevity and performance.

Easy to use with any engine oil.
4

Liqui Moly

Liqui Moly 2770 - Engine Oil Additive

9.4

Excellent

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

9.5
Simple to use

8.0
worth the money

8.0
distance

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Why we love it

Reduces engine noise effectively.

Compatible with all motor oils.

Improves vehicle comfort and reliability.
5

Wynn's

Wynn's Super Charge Oil Treatment - Enhances Viscosity - Restores Compression & Pressure - Reduces Oil Consumption & Smoke Emissions - Prevents Metal Contact & Engine Wear - 425ml

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9.2

Excellent

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

9.9
worth the money

9.9
Simple to use

9.9
distance

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Why we love it

Boosts engine performance and longevity.

Reduces oil consumption significantly.

Ideal for older engines with high wear.
6

Liqui Moly

LIQUI MOLY Oil Additive | 125 ml | Oil additive | SKU: 1800

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9.0

Excellent

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

9.7
Simple to use

9.1
worth the money

8.7
distance

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Why we love it

The MoS2 low viscosity engine oil creates a heavy duty lubricant film on all frictioning and sliding metal surfaces.

It reduces friction, guaranteeing the aggregates run more smoothly.

Can be added to motor oil at any time.
7

Liqui Moly

LIQUI MOLY Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2427

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8.8

Very Good

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

9.9
Simple to use

9.7
distance

9.7
Sheerness

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Why we love it

Cleans engine internally effectively.

Reduces engine noise significantly.

Improves overall engine performance.
8

MANNOL

MANNOL Ceramo Ester Engine Oil Additive 250ml

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8.7

Very Good

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Why we love it

Reduces engine wear significantly.

Enhances fuel efficiency.

Extends oil change intervals.
9

Wynn's

WYNNS Formula Gold Engine Oil Treatment - Improves Compression & Reduces Wear - Enhances Oil Viscosity & Cleans Engine Internally - 500ml

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8.6

Very Good

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

9.7
distance

9.3
worth the money

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Why we love it

Extends engine life effectively.

Reduces harmful emissions.

Compatible with all engine types.
10

MANNOL

Mannol 300ml Motor Doctor Metal Engine Oil Additive Anti Friction Modern Multifunctional

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8.5

Good

Our Rating

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.