Best Vehicle Additives of 2026

The Dipetane Fuel Additive is designed to improve your vehicle’s fuel economy by up to 10%, helping you save money by enabling a more efficient and complete fuel burn. It also acts as a comprehensive fuel system cleaner, aiding in keeping your DPF and catalytic converters clean, as well as valves, pistons, injectors, sensors, and EGR valves, which can extend your engine's life. Additionally, it reduces exhaust smoke by removing soot and combustion deposits, restoring your engine’s performance. Suitable for diesel, petrol, and kerosene engines, it works immediately when added to your fuel tank.

The STP Diesel Fuel Cleaner offers concentrated cleaning power that effectively cleans and conditions your entire fuel delivery system in just one tank. By removing harmful deposits, it helps restore your engine’s power and performance, ensuring you enjoy a smoother drive. Additionally, it protects your engine by reducing friction and safeguarding essential parts from wear and corrosion. Moreover, this cleaner promotes better fuel economy by lowering diesel consumption and exhaust emissions, making it a practical choice for conscientious drivers.

The Redex Diesel Additive is a specialist fuel treatment designed to enhance the performance of your diesel engine. It effectively removes harmful deposits that accumulate in the fuel system, helping to prolong your engine's life and improve everyday performance. By using this cleaner, you can achieve greater fuel efficiency, thereby reducing emissions and saving on fuel costs. Additionally, it is very easy to use; simply pour one shot into your fuel tank as needed to keep your engine running optimally.

The Archoil AR6900-D Max is a powerful diesel fuel additive designed to enhance your engine’s performance. It improves poor-quality supermarket diesel by converting it into Super Diesel Fuel, which means better combustion and efficiency for your vehicle. Its highly concentrated formula ensures that a small amount goes a long way, treating up to 1,000 litres of fuel – saving you money and effort. You’ll also benefit from smoother starts in cold weather and a cleaner fuel system, which helps maintain your engine and reduces harmful emissions for a cleaner environment.

LIQUI MOLY Cera Tec is a high-tech engine additive that enhances performance from the very first use. By using advanced ceramic compounds, it ensures smoother engine operation, which can lead to a longer lifespan for your engine. You will also benefit from lower fuel consumption and reduced emissions thanks to its ability to diminish friction. Adding it during oil changes is simple; just shake the 300 ml bottle and mix it with up to 5 litres of engine oil for lasting benefits of up to 50,000 km.

Wynn's Diesel Cleaner is an effective solution for maintaining your diesel engine. It provides a powerful 'one tank' clean-up, ensuring that your fuel pump and injectors are thoroughly cleaned and protected. This product helps restore lost engine performance and fuel economy, allowing you to enjoy a smoother drive. Additionally, it reduces harmful exhaust emissions, contributing to a cleaner environment. After misfuelling with petrol, it also restores lubrication to vital engine components, giving you peace of mind.

Wynn's Crystallisation Cleaner is designed to prevent crystal formation in your AdBlue system, which helps you avoid costly repairs. It effectively cleans all components in the SCR system by dissolving light crystallisation found in the AdBlue tank, pump unit, and injector. By using this additive, you can eliminate breakdowns and downtime caused by AdBlue crystallisation, thereby prolonging the life of your vehicle's components. Simply add one 125ml bottle to your AdBlue tank at every refill to treat up to 15 litres of AdBlue.

The STP Diesel Additive Pack offers powerful cleaning solutions for your diesel engine. The STP Diesel Injector Cleaner effectively clears clogged injectors with just one treatment, enhancing your engine's performance. Meanwhile, the STP Ultra 5-in-1 System Cleaner works to remove deposits and ensure optimal operation. By using this product, you can also lower exhaust emissions and improve fuel consumption, making it a smart choice for maintaining your vehicle's efficiency.

The Redex Petrol Additive is designed to enhance your vehicle's performance and efficiency. It effectively removes harmful deposits from your fuel system, helping to prolong your engine's life. By using this additive, you can improve fuel efficiency, leading to reduced emissions and lower fuel costs. It's also straightforward to use; simply pour one shot into your fuel tank with each fill-up to keep your engine in optimal condition.

STP Petrol Cleaner offers concentrated cleaning power, effectively cleansing and conditioning your entire fuel delivery system in just one tank. This product helps to restore your engine's power and performance by eliminating harmful deposits, ensuring that your vehicle runs at its best. Additionally, it protects your engine by reducing friction and safeguarding crucial components from wear and corrosion. You will also benefit from improved fuel economy, as this cleaner works to lower petrol consumption and exhaust emissions.