What is AdBlue?

Everything you need to know about AdBlue® solution and your responsibilities as a driver.

Read all about it online or download a one page fact sheet.

 
What is AdBlue for diesel cars?
 

What is AdBlue?

AdBlue is a solution of high-purity urea which reduces emissions from diesel vehicle exhausts. It is not used for petrol engines.

AdBlue is classed as a vehicle consumable, like washer fluid, so must be topped up periodically. Top ups vary widely between vehicles but, roughly speaking, the average UK driver will use 5 litres of AdBlue for every 100 litres of diesel.  For vehicle-specific AdBlue information, we find www.myadblue.co.uk very helpful.

 

AdBlue and you

 
  • It is the driver’s responsibility to ensure that the AdBlue tank is topped up.
  • It is the driver’s responsibility to pay all associated costs.
 

Because it is a consumable, AdBlue top ups are not covered under maintenance contracts so it is the driver’s responsibility to arrange these at their own cost. In some rare exceptions, an AdBlue check and top up is part of a vehicle’s scheduled servicing but, in general, driver’s will opt to pay an additional fee at the time of servicing for this upkeep.

 

What if an AdBlue warning light comes on?

If an AdBlue warning light appears on your instrument panel it means that the AdBlue tank needs refilling. Do not ignore this warning; most vehicles will not start if AdBlue runs out.

Unlike fuel additives, AdBlue has a separate tank. We recommend getting top ups at an approved garage. (If a driver were to incorrectly top up the tank, this could void the vehicle warranty.)

 

How do I know if my diesel vehicle uses AdBlue?

Unfortunately AdBlue is not classified in a vehicle model description so if you are unsure if your vehicle uses AdBlue it is best to check with the vehicle manufacturer.

 

How much does AdBlue cost?

The cost varies between manufacturers but you can expect to pay around £15 for 5 litres of AdBlue solution. As you might expect, an ad hoc top up can be more expensive per litre than a full tank refill. Any garage labour costs would be on top of this so a refill could be in the region of £90.

 
What is AdBlue for diesel cars?
 
 

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