Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
Best Vehicle Additives of 2026
Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
Best Choice
1
ArchoilArchoil AR6900-D MAX Advanced Diesel Additive Concentrate - 1 Litre
9.8
ExceptionalOur 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.
Value for Money
2
Liqui MolyLIQUI 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
9.7
ExceptionalOur 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.
3
RedexRedex AdBlue Additive 5L, AdBlue With Easy-Pour Spout, Reduces NOX Emissions, Quick & Easy Filling, Keep Spare In Boot, Premium Quality AdBlue Diesel Exhaust Fluid, No-Spill Bottle, 5 Litres
9.6
ExceptionalOur 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.
4
DIPETANEDIPETANE DP005 5ltr Fuel Additive Treament for Improve Fuel Economy and Reduced Emissions
9.5
ExcellentOur 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.
Show moreWhy we love it
Improves fuel economy
Reduces harmful emissions
No heavy metals included
5
HYDRAHydra DPB-100 Diesel Power Blast - Diesel Fuel System Cleaner | Diesel Injector Cleaner with Diesel Fuel Additive | 1 Litre Treats 1,000L
9.4
ExcellentOur 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.
Show moreWhy we love it
Improves engine performance and pick-up
Reduces emissions and diesel knock
Economical compared to premium fuels
6
Wynn'sWynn's Petrol Injector Cleaner - Reduces Fuel Usage & Emissions - 325ml | Restores Spray Pattern - Prevents Deposits, Improves Combustion & Cold Start
9.3
ExcellentOur 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 use9.9
worth the money9.3
distanceShow moreWhy we love it
Enhances fuel efficiency and engine performance.
Prevents engine knocking and jerky acceleration.
Protects against rust and corrosion.
7
ArchoilArchoil AR6400-D MAX Pro Diesel DPF, Turbo, CAT, Injector Cleaner - 400ml | Complete Diesel Engine Cleaner - Entire Fuel System, Particulate Filter & Combustion Area - EGR & Turbo Additive for MOT Pass
9.2
ExcellentOur 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.
Show moreWhy we love it
Restores lost engine performance
Reduces harmful exhaust emissions
Improves fuel economy year round
8
CatacleanCataclean Diesel Fuel & Exhaust System Cleaner 500ml | Fuel Additive, Catalytic Converter Cleaner, Valve & Injector Cleaner, Pre MOT Emissions Reducer, Supports Engine Performance
9.0
ExcellentOur 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.
Show moreWhy we love it
Improves fuel economy
Reduces emissions
Protects engine components
9
ArchoilArchoil AR6400-D MAX Pro DPF Cleaner 400ml & AR6900-D MAX 250ml
8.9
Very GoodOur 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.
Show moreWhy we love it
Restores engine performance quickly
Reduces emissions and smoke
Improves fuel economy consistently
10
STA-BILSTA-BIL 22208 Fuel Stabilizer - 8 Fl oz, Red | Treats 10 gallons. Keeps fuel fresh for up to 24 months during storage and helps protect against corrosion and ethanol damage
18% Off8.8
Very GoodOur 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
Precision9.7
Simple to use9.3
worth the moneyShow moreWhy we love it
Keeps fuel fresh for up to 24 months during storage
Eliminates the need to drain fuel prior to storage
Prevents gum and varnish build up
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STP Ultra 5 in 1 Diesel Fuel System Cleaner 400ml, Enhances Fuel Economy | Restores Power and Protects your Engine, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK
What You'll Get - 400 ml Diesel Fuel System Cleaner
Wynn's Extreme Diesel System Cleaner - Deep Cleaning Engine Treatment - Restores Fuel Economy & Reduces Emissions - Prevents Turbo, EGR Valve & DPF Issues - 325ml
CLEANS THE ENTIRE DIESEL FUEL SYSTEM: Effectively removes dirt, carbon deposits, and other harmful residues that accumulate within the fuel system over time. Ensures a cleaner and more efficient combustion process by thoroughly cleaning key components such as the fuel pump, diesel injectors, and intake valves. By dissolving stubborn contaminants, it helps prevent clogging and improves the overall efficiency of the fuel delivery system. Designed to work in a single treatment, providing a powerful 'one tank' clean-up that restores optimal fuel system functionality.
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Wynn's Crystal Clean & Protect - Prevents AdBlue® Crystallisation - 125ml | Additive for Use with AdBlue® - Prevents Crystallisation in SCR Systems - Enhances Diesel Emission Control Performance
HELPS PREVENT CRYSTAL FORMATION IN SYSTEMS USING ADBLUE: Specially formulated for use with AdBlue, this additive helps prevent the formation of harmful crystals in the SCR (Selective Catalytic Reduction) system. By keeping components such as the injector, pump, and AdBlue tank clean, it supports the continuous and efficient operation of the emissions control system and helps reduce the risk of costly repairs due to crystallisation.
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Redex DPF Cleaner Diesel, Diesel Particulate Filter Cleaner, 250 ml
DPF DIESEL PARTICULATE FILTER CLEANER: Use Redex DPF Cleaner Diesel, the specialist diesel additive and cleaner, to keep your Diesel Particulate Filter (DPF) clean - this will prevent costly repairs and a lot of stress.
Wynn's Diesel Particulate Filter Cleaner - Cleans & Regenerates DPF- 325ml | Regenerates Blocked DPF Soot Filters - Reduces Soot Formation & Emissions - Compatible with Diesel & Hybrid Diesel up to B30
AVOIDS FREQUENT MAINTENANCE COSTS RELATED TO MANUAL DPF REGENERATION: The use of this product helps prevent the costly and time-consuming manual regeneration of a blocked diesel particulate filter. When a particulate filter becomes clogged with soot, traditional maintenance methods often require professional intervention, dismantling, or even replacement, leading to high repair costs. By incorporating this solution into regular vehicle care, the soot filter is continuously regenerated while driving, reducing the need for garage visits and prolonging the lifespan of the filter.
