If you are looking for a luxury car with plenty of space and comfort, the Audi A6 C6 is a good choice. The A6 C6 was produced between 2004 and 2011 and is available in several engine variants, both petrol and diesel. In this buying advice, we discuss the different variants, fuel consumption, the safety score according to NCAP, common problems and competitors with similar prices.

audi a6 c6 buying advice

Engine variants

The Audi A6 C6 is available in several engine variants, ranging from 2.0 TFSI to 5.2 FSI. Diesel variants range from 2.0 TDI to 3.0 TDI. The 2.0 TFSI and 2.0 TDI are the most popular variants and are available in both sedan and Avant versions.

Fuel consumption

The fuel consumption of the Audi A6 C6 varies depending on the engine chosen and driving style. The 2.0 TFSI has an average fuel consumption of 8.5 litres per 100 km, while the 2.0 TDI has an average fuel consumption of 6.5 litres per 100 km. The 3.0 TDI has an average fuel consumption of 7.5 litres per 100 km.

Problems by engine variant

Below is the complete list of common problems by engine variant of the Audi A6 C6:

2.0 TFSI

  • Oil pump problems
  • Distribution chain problems
  • Problems with the ignition coils
  • Problems with the turbo

2.0 TDI

  • Problems with the EGR valve
  • Problems with the turbo
  • Distribution chain problems
  • Fuel pump problems

2.4 FSI

  • Distribution chain problems
  • Camshaft adjuster problems
  • Problems with the EGR valve

2.7 TDI

  • Problems with the turbo
  • Problems with the EGR valve
  • Air intake problems

3.0 TDI

  • Problems with the EGR valve
  • Problems with the turbo
  • Camshaft adjuster problems
  • Distribution chain problems

3.2 FSI

  • Distribution chain problems
  • Oil pump problems
  • Camshaft adjuster problems

It is important to remember that these are only common problems and not all cars will suffer from them. It is also important to carry out regular maintenance to prevent or correct these problems in time. And see maintenance bills at the time of purchase. Booklets are nice but not hard proof of maintenance done.

Safety score

The Audi A6 C6 has a safety score of 5 stars according to NCAP. The car has excellent safety equipment, including airbags, ABS, electronic stability control and brake assist.

Common problems

A common problem with the Audi A6 C6 is problems with the multitronic automatic transmission. The clutch can also wear out over time and there are problems with the electronics.

Competitors

The Audi A6 C6 has competitors in the same price segment, such as the BMW 5-series and the Mercedes-Benz E-Class. Both cars offer similar performance and luxury, but the Audi A6 C6 has a better safety score and is generally more reliable.

Conclusion

The Audi A6 C6 is a good choice if you are looking for a luxury car with plenty of space and comfort. The car is available in several engine variants and has a good safety rating. Common problems can be prevented by regular maintenance. Competitors in the same price segment are the BMW 5-series and the Mercedes-Benz E-Class, but the Audi A6 C6 has a better safety score and is generally more reliable.

Advantages:

  • Luxurious and comfortable car
  • Available in different engine variants
  • Good safety score

Disadvantages:

  • Multitronic automatic transmission can cause problems
  • Electronics problems can occur
  • Fuel consumption is not the most efficient in its class.
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