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What is the difference between standard and premium diesel fuel?

by Andy Published on Monday, January 16th, 2017

I will keep this brief because it is very simple.

Take any branded diesel fuel. What is the difference between that brand’s standard EN590 diesel and super/premium diesel that you pay an extra 8-10p more per litre for?

1. Additional deposit control detergent.
2. Additional 2-Ethylhexyl nitrate (2-EHN) cetane improver.

That is it. The additional performance reported by vehicle owners when using “super” diesel is the improvement in combustion quality from the higher cetane value through the use of additional 2-EHN. 2-EHN is the worldwide proven and recognised standard for raising the cetane value in diesel fuels.

What would your average diesel fuel conditioning additive deliver?

1. Additional deposit control detergent (ideally DW10 tested)
2. Additional 2-Ethylhexyl nitrate (2-EHN) cetane improver
3. Lubricity additive / friction modifier.

Higher quality brands may also include the following:

4. Water demulsifier
5. Anti corrosion additive
6. Dispersant and antioxidant to help restore and preserve fuel quality
7. Combustion catalyst to enhance combustion quality further and help keep post combustion areas clean.
Other specialist additives can deliver the following:
8. Cold flow performance (anti wax/gel)
9. Biological contamination removal/prevention (biocide).

So what does this mean?

Virtually all diesel fuel conditioners contain 2-EHN or are 2-EHN based. When added to standard diesel fuel even the cheapest, lowest quality 2-EHN based diesel additives will most likely deliver greater benefits and value than premium diesel fuels.

The average price of super/premium diesel is 8 to 10 pence more per litre or £5+ per average tank of diesel.

A 2-EHN based conditioner that uses the same or similar performing ingredients and essentially turns standard diesel into premium fuel will cost between 1 and 4 pence per litre.

I hope that clears up the mystery.

Related posts:

  1. Premium Diesel Versus Standard Diesel Fuel
  2. Converting Cheap Supermarket Diesel to Super Diesel
  3. Difference between Hybrogen and AR6900-D

7 thoughts on “What is the difference between standard and premium diesel fuel?”

  1. Dave says:
    December 2, 2017 at 5:24 pm

    Who stocks your products arch oil 6400D etc? Where can I get it?

    Thanks

    Reply
    1. Andy says:
      December 4, 2017 at 9:38 am

      http://www.powerenhancer.co.uk, eBay, Amazon.

      Reply
  2. Graham Goodhead says:
    September 30, 2017 at 10:36 pm

    Hi. could you please advise me how often i can add AR6900 to my fuel. I currently use a branded standard diesel, which i understand is a cheaper, but more beneficial way, than using a premium branded fuel on its own. Thank you.

    Reply
    1. Andy says:
      October 1, 2017 at 11:22 am

      It is designed to be used with every tank of fuel.

      Reply
  3. Robert says:
    January 29, 2017 at 1:41 pm

    For some years now I have regularily use additive or diesel conditioner supplied from Powerenhancer and there is a very small improvement in performance, but I have never seen any improvement in MPG my diesel Zafera never varies more than 2mpg winter or summer

    Reply
    1. Andy says:
      January 30, 2017 at 9:31 am

      What engine and what product are you using?

      Reply
  4. shaun says:
    January 27, 2017 at 11:47 pm

    I HAVE NOTICED THAT THESE STANDARD DIESEL HAVE POOR QUAILTY MORE WATER CONTENT WHICH IS TAKEN UP WITH THE ALCHOL IN THE FUEL THIS FUEL DAMAGES THE DIESEL ENGINES ,INJECTORS SENSORS ,PAY FOR THE HIGH QUALITY DIESEL V POWER, AS WELL ADDING ARCHOIL FUEL ADDITIVES AND CLEANERS KEEP THE EMISSIONS LOW AND CLEAN ,LOOK AFTER THE ENGINE AND IT SHOULD LOOK AFTER YOU ,MY EMISSIONS ARE THAT LOW THEY HAVE TO HOOK UP THE LEADS SO THE EMISSION TESTER KNOWS ITS TESTING MY CAR ,ARCHOIL PRODUCTS WORK THATS WHY I SELL THEM ….

    Reply

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