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Petrol Supply Treatments Comparison - April 2026

6 Best Petrol Supply Treatments In the UK

Last Updated - 04/04/2026

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Our Score

To Amazon

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Model

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Model

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Model

STP GST51200EN Petrol Treatment 200 ml, Red

Model

STP GST51200EN Petrol Treatment 200 ml, Red

Model

Redex RADD0005A 0.09L Petrol One Shot 90ml Fuel Additive Treatment Fluid

Model

Redex RADD0005A 0.09L Petrol One Shot 90ml Fuel Additive Treatment Fluid

Brand

Wynn's

Brand

Wynn's

Brand

STP

Brand

STP

Brand

Redex

Brand

Redex

Reviews

1,383 reviews

Reviews

1,383 reviews

Reviews

834 reviews

Reviews

834 reviews

Reviews

39 reviews

Reviews

39 reviews

Features

Worth the money

9.9

Worth the money

9.9

Worth the money

9.1

Worth the money

9.1

Worth the money

8.6

Worth the money

8.6

Simple to use

9.9

Simple to use

9.9

Simple to use

9.6

Simple to use

9.6

Simple to use

8.6

Simple to use

8.6

Distance

9.8

Distance

9.8

Distance

8.6

Distance

8.6

Distance

7.4

Distance

7.4

Tech Specs

manufacturer part number

‎70701

manufacturer part number

‎70701

manufacturer part number

GST51200EN

manufacturer part number

GST51200EN

manufacturer part number

model

‎Wynn's 70701, Formula Gold Petrol, 500 ml

model

‎Wynn's 70701, Formula Gold Petrol, 500 ml

model

ST51200EN

model

ST51200EN

model

product dimensions

‎4.9 x 8.8 x 25.6 cm; 0.5 g

product dimensions

‎4.9 x 8.8 x 25.6 cm; 0.5 g

product dimensions

6 x 4.3 x 21.7 cm 225 g

product dimensions

6 x 4.3 x 21.7 cm 225 g

product dimensions

item weight

225 g

item weight

225 g

item weight

Available On

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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

9.7
1

Wynn's
Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

9.9 worth the money

9.9 Simple to use

9.8 distance

Why we love it

Boosts engine performance instantly.

Improves fuel efficiency significantly.

Reduces harmful emissions effectively.
Main highlights

SAFE FOR CATALYTIC CONVERTERS & ALL PETROL ENGINES: Wynn's Formula Gold Petrol System Treatment is formulated to be completely safe for use in all petrol engines, including those equipped with catalytic converters and modern exhaust after-treatment systems. Unlike harsh additives that can damage sensitive engine components, this treatment is carefully engineered to enhance performance without causing harm. Suitable for both older and newer vehicles, it provides a versatile solution for maintaining engine efficiency. For optimal performance, it is recommended to use this treatment in every third tank of fuel to continuously benefit from its cleaning and protective properties.
REDUCTION OF HARMFUL EMISSIONS: Designed to contribute to a cleaner environment, this treatment significantly reduces harmful exhaust emissions such as carbon monoxide (CO) and hydrocarbons (HC). By promoting more complete combustion, the formula helps decrease the production of toxic gases, making it an ideal solution for those aiming to meet stringent emissions regulations. Regular use can assist in passing MOT emissions tests by lowering pollution levels and ensuring the engine operates within regulatory standards. A cleaner exhaust system means less impact on the environment and improved air quality.
INJECTION SYSTEM CLEANING & PROTECTION: A clean fuel system is essential for maintaining vehicle performance and efficiency. Wynn's Formula Gold Petrol System Treatment actively cleans and protects the entire fuel injection system, preventing deposits from forming on critical components such as injectors, intake valves, and combustion chambers. A well-maintained injection system allows for smoother fuel delivery, preventing engine hesitation and misfires. By continuously safeguarding these components, the treatment ensures that the vehicle maintains optimal power output while extending the life of the fuel system.
HIGH-PERFORMANCE PETROL ENGINE BOOSTER: Wynn's Formula Gold High-Performance Petrol System Treatment is designed to enhance engine performance by improving combustion immediately. A more efficient combustion process results in better acceleration, smoother engine operation, and reduced engine noise. By optimising fuel burn, the treatment contributes to a more responsive driving experience and minimises power loss over time. Ensuring a cleaner and more effective fuel burn not only improves engine longevity but also helps maintain optimal performance levels, making it an ideal addition to any vehicle maintenance routine.
FUEL EFFICIENCY & CONSUMPTION REDUCTION: This advanced formula actively works to lower petrol consumption by optimising the fuel system's efficiency. By cleaning and maintaining fuel injectors, the treatment ensures a precise air-fuel mixture, which directly leads to improved mileage and reduced fuel wastage. The result is a more cost-effective driving experience with fewer trips to the petrol pumps. Over time, continuous use helps prevent build-up in the injection system, allowing the engine to operate with maximum efficiency, reducing the strain on fuel components and prolonging their lifespan.
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9.5
2

Wynn's
Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

9.9 worth the money

9.9 Simple to use

9.8 distance

Why we love it

Boosts engine performance instantly.

Improves fuel efficiency significantly.

Reduces harmful emissions effectively.
Main highlights

SAFE FOR CATALYTIC CONVERTERS & ALL PETROL ENGINES: Wynn's Formula Gold Petrol System Treatment is formulated to be completely safe for use in all petrol engines, including those equipped with catalytic converters and modern exhaust after-treatment systems. Unlike harsh additives that can damage sensitive engine components, this treatment is carefully engineered to enhance performance without causing harm. Suitable for both older and newer vehicles, it provides a versatile solution for maintaining engine efficiency. For optimal performance, it is recommended to use this treatment in every third tank of fuel to continuously benefit from its cleaning and protective properties.
REDUCTION OF HARMFUL EMISSIONS: Designed to contribute to a cleaner environment, this treatment significantly reduces harmful exhaust emissions such as carbon monoxide (CO) and hydrocarbons (HC). By promoting more complete combustion, the formula helps decrease the production of toxic gases, making it an ideal solution for those aiming to meet stringent emissions regulations. Regular use can assist in passing MOT emissions tests by lowering pollution levels and ensuring the engine operates within regulatory standards. A cleaner exhaust system means less impact on the environment and improved air quality.
INJECTION SYSTEM CLEANING & PROTECTION: A clean fuel system is essential for maintaining vehicle performance and efficiency. Wynn's Formula Gold Petrol System Treatment actively cleans and protects the entire fuel injection system, preventing deposits from forming on critical components such as injectors, intake valves, and combustion chambers. A well-maintained injection system allows for smoother fuel delivery, preventing engine hesitation and misfires. By continuously safeguarding these components, the treatment ensures that the vehicle maintains optimal power output while extending the life of the fuel system.
HIGH-PERFORMANCE PETROL ENGINE BOOSTER: Wynn's Formula Gold High-Performance Petrol System Treatment is designed to enhance engine performance by improving combustion immediately. A more efficient combustion process results in better acceleration, smoother engine operation, and reduced engine noise. By optimising fuel burn, the treatment contributes to a more responsive driving experience and minimises power loss over time. Ensuring a cleaner and more effective fuel burn not only improves engine longevity but also helps maintain optimal performance levels, making it an ideal addition to any vehicle maintenance routine.
FUEL EFFICIENCY & CONSUMPTION REDUCTION: This advanced formula actively works to lower petrol consumption by optimising the fuel system's efficiency. By cleaning and maintaining fuel injectors, the treatment ensures a precise air-fuel mixture, which directly leads to improved mileage and reduced fuel wastage. The result is a more cost-effective driving experience with fewer trips to the petrol pumps. Over time, continuous use helps prevent build-up in the injection system, allowing the engine to operate with maximum efficiency, reducing the strain on fuel components and prolonging their lifespan.
Show more
On Amazon

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9.3
3

STP
STP GST51200EN Petrol Treatment 200 ml, Red

9.6 Simple to use

9.1 worth the money

8.6 distance

Why we love it

Effective in cleaning and improving engine performance.

Compatible with various engine types and fuel systems.

Helps save fuel by preventing harmful deposits.
Main highlights

What You'll Get - 200ml Petrol Treatment, Concentrated Cleaning Power
Suitable for all classic and modern engines, catalytic converters
Safe to use with other STP additives
STP Petrol Treatment used regularly helps save fuel by keeping fuel intake systems clean of harmful deposits; fight rust and corrosion in the fuel system
For Regular, Unleaded & Bio-Petrol
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Our ranking system

The topchoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.
We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. topchoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.

Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.

Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.

Value for money

topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.

6 Best Petrol Supply Treatments In the UK

Our Score

To Amazon

Model

Brand

Reviews

Features

Worth the money

Simple to use

Distance

Tech Specs

manufacturer part number

model

product dimensions

item weight

Available On

Our Top 3 Picks

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Why we love it

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Why we love it

STP GST51200EN Petrol Treatment 200 ml, Red

Why we love it

Our ranking system

Features

Consumer Reviews

Popularity

Value for money

Value for money

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6 Best Petrol Supply Treatments In the UK

petrol supply treatments comparison

Our Score

To Amazon

Model

Brand

Reviews

Features

Worth the money

Simple to use

Distance

Tech Specs

manufacturer part number

model

product dimensions

item weight

Available On

Our Top 3 Picks

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Why we love it

Wynn's Formula Gold High-Performance Petrol System Treatment - Enhances Engine Efficiency - Improves Acceleration & Reduces Noise - Cleans & Protects Fuel Injection System - 500ml

Why we love it

STP GST51200EN Petrol Treatment 200 ml, Red

Why we love it

Our ranking system

Features

Consumer Reviews

Popularity

Value for money

Value for money

Related deals you might like for petrol supply treatments

Fuel Pump Universal Rubber and Aluminum Fuel Pump Assembly Line Hand Primer Bulb Gas Petrol For Car Boat Marine Outboard Outboard Ball [12mm] Petrol Supply Treatments

Fuel Injector, High-Performance 0280158020 for Dodge Fuel Injector Nozzle Petrol Supply Treatments Auto Parts

Generic FORTE ADVANCED FORMULA PETROL TREATMENT FUEL CLEANER - 400ML BOTTLE

Generic FORTE ADVANCED FORMULA PETROL TREATMENT FUEL CLEANER - 400ML BOTTLE

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