Ownership cost
What used Audi A6 estate will I get for my budget?
You can pick up high-mileage A6 Avants for around £6500, but we’d recommend spending more than this to secure a late 2011 or early 2012 car with an average mileage for the year, and a full service history. Look to spend between £10,000 and £12,000 for a good, clean 2013 car that satisfies all of the above. Up the wedge to £14,000 or more for a facelifted 2015 car bought from a trader or an independent dealer, and £16,000 to £20,000 for good 2016 and 2017 models bought from a franchised dealer.
Check the value of a used Audi A6 Avant with What Car? Valuations
How much does it cost to run a Audi A6 estate?
MPG
The 2.0 TDI Ultra diesel version's official average fuel consumption figure is a highly respectable 62.8mpg. Even the 3.0 TDI isn't all that bad, at 55.4mpg for the front-wheel drive model and 44.8mpg in four-wheel drive, BiTDI form.
Opt for the best-performing petrol version, the 1.8 TFSI, and you’ll see an official 47.1mpg. However, it's not as bad as the 29.4mpg average for the S6 and RS6 models.
CO2 emissions
If you want to keep your road tax bill down, go for the 2.0 TDI Ultra, which produces a mere 124g/km of CO2, or the front-wheel-drive 3.0 TDI, which emits 136g/km. The most potent BiTDI model has the worst CO2 emissions of the diesel range at 169g/km.
All V8 petrol models emit 225g/km.
Road tax
Road tax for all models registered before 1 April 2017 will vary depending on the emissions the engine produces (see above for more information). Examples registered after this date attract a flat-rate fee, plus an additional charge for cars that cost more than £40,000 when new that applies between years two and six of the car's age. To find out more about the current road tax costs, click here.
Servicing
Examples that are more than three years old will qualify for Audi’s fixed-price servicing, which costs from £205 for a minor service and £365 for a major one, based on cars with a 2.0-litre engine or smaller. A6s with larger engines (although not the S6 or RS6) will cost £240 and £425 for the same level of work.
Insurance groups
Insurance groups for the A6 are slightly higher than the equivalent models from BMW and Mercedes, with 2.0-litre diesels starting in group 33. The more powerful 3.0 BiTDI is in group 44, followed by the most potent RS6 in group 50.
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