The 2020 Audi S6 Avant TDI 349 hk Quattro is an all-wheel-drive estate, diesel-powered with an automatic gearbox. It has an engine displacement of 3.0 litres and an output of 257 kW (349 hp).

The asking price is 379,900 SEK.

The asking price has been reduced once, by 19,100 SEK from the original 399,000 SEK. bilbil.se has no price estimate for this car, because there are too few comparable cars. A dealer typically sells this model in about 25 days and a private seller in about 14 days.

The odometer reads 235,000 km, which works out at about 35,000 km per year.

Notable equipment:

  • Premium audio
  • Tow bar
  • Adaptive cruise control
  • LED headlights
  • Reversing camera
  • Keyless entry and start
  • Parking sensors
  • Leather upholstery

Running the car costs an estimated:

The seller is StreetCars AB (Arboga).

The car has been for sale for 54 days since 11/08/2026.

Basic information

Registration number
NFK83K
Mileage
235,000 km
Engine
3.0 l, Diesel
Model year
2020
Gearbox
Automatic
Drivetrain
All-wheel drive
Body type
Estate
Vehicle type
Passenger car
Colour
Grey
VIN number
WAUZZZF27LN061019
bilbil.se ID
86375

Technical details

Power
257 kW / 350 hp
Seats
5
Max towing weight
2,100 kg
Dimensions (L × W × H)
5,069 × 1,886 × 1,411 mm
First registration
05/02/2020

Gearbox
Automatic

Equipment

  • Adaptive cruise control
  • Keyless entry and start
  • Leather upholstery
  • LED headlights
  • Parking sensors
  • Premium audio
  • Reversing camera
  • Tow bar

Equipment rating

Asking price: 379,900 SEK

No estimate

No price estimate: there are too few comparable cars.

370,000 SEK380,000 SEK390,000 SEK400,000 SEK410,000 SEK11/8/202629/8/202616/9/20264/10/2026
DatePriceChange
11/08/2026399,000 SEK–
02/10/2026379,900 SEK−19,100 SEK

Next inspection

In Sweden, a car or light van has its second inspection no later than 24 months after the first, and after that no later than 14 months after the previous one. The listing does not say when the car is next due for inspection.

Check with Transportstyrelsen

Sale periods

StreetCars AB, Arboga, Västmanland 54 days for sale
11/8/202629/8/202616/9/20264/10/2026

Sales

No previous sales.

Listing changes

DateWhatChange
02/10/2026Asking price 399,000 SEK → 379,900 SEK

SEK
5,000 SEK 900,000 SEK
10 years
1 year 10 years
Estimated monthly instalment approx. 4,240 SEK/mo

The estimate uses a nominal interest rate of 5.80% and an account fee of 60 SEK a month. The actual rate, term and instalment are set in the loan offer.

Remember to check tyre condition with the seller.

Tyre sizes for this model

  • 255/30 R22
  • 255/35 R21
  • 255/40 R20
  • 245/45 R19

Wheel sizes for this model

19″
20″
21″
22″
What do the sizes mean?

Matrix Bang & Olufsen SE SPEC

Frequently asked questions about this car

Which car has the registration NFK83K?

NFK83K is a 2020 Audi S6 Avant TDI 349 hk Quattro with 235,000 km on the odometer. It is for sale at 379,900 SEK.

How much does Audi S6 Avant TDI 349 hk Quattro cost?

Audi S6 Avant TDI 349 hk Quattro is for sale at 379,900 SEK.

How long has this car been for sale?

The car has been for sale for at least 54 days. The listing entered bilbil.se's tracking on 11/08/2026.

Has the price been reduced?

Yes. The asking price is 19,100 SEK below the original listing price.

Has this car been on the market before?

No earlier completed sales are on record for this car.

What model year is the car?

The car is model year 2020 and was first registered on 05/02/2020.

How many kilometres has the car covered?

The car's mileage is 235,000 km.

What fuel type and gearbox does the car have?

The fuel type is diesel and the gearbox is automatic.

What features does the car have?

Notable features include Premium audio, Tow bar, Adaptive cruise control, LED headlights, Reversing camera. The full feature list is on this page.

Where is Audi S6 Avant TDI 349 hk Quattro located?

The car is located in Västmanland (Arboga, Västmanland).

Who is selling this car?

The seller is StreetCars AB (Arboga).

Where can I see this car's price history?

This page shows the changes to the car's asking price, its sale periods and the edits made to the listing.