Used Audi A8 Saloon 2017-present review

Ownership cost

Used Audi A8 Saloon (17-present)
Review continues below...

Ownership cost

What used Audi A8 saloon will I get for my budget?

Prices for the A8 start at around £35,000, this for a 2018 petrol or diesel car with an average mileage for the year and a full service history, bought from an independent or franchised dealer. Spend between £36,000 and £40,000 on a mode highly specced one, and think of between £40,000 and £50,000 on a 2019 car. These are substantial savings on the price of a new car, and add an extra dimension to the A8's overall desirability. It has to be said prices are similar to the Mercedes S-Class, but more than a BMW 7 Series or Jaguar XJ.


Used Audi A8 Saloon (17-present)

How much does it cost to run a Audi A8 saloon?


According to its official fuel economy figures, the A8 isn’t as cheap as you might think to run. Diesel versions are a couple of MPG behind rivals like the Mercedes S-Class and BMW 7 Series, although they beat the Jaguar XJ. The same goes for the petrol version, which doesn’t compare all that well with the equivalent S-Class.

Latest WLTP figures claim 29.7mpg for the 55 TFSI petrol and 40.9mpg for the 50 TDI diesel, although these can vary depending on wheelbase and trim. 

Car tax

Fortunately, all A8s were registered under the new flat-rate tax system so their slightly substandard fuel economy doesn’t have an effect on their tax costs. All A8s will set you back the base rate, currently £145 a year, plus a supplementary luxury car tax that is charged for five years from the second year, currently £320 a year. 


Servicing costs, meanwhile, will be on a par with the A8’s luxury car rivals; however, once your A8 hits three years old, it’ll benefit from Audi’s fixed-price servicing scheme, which should keep service costs down at the main dealer.

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Used Audi A8 Saloon (17-present)
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