2023 Audi A6 Avant 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 5dr (201 bhp)
• Year: 2023
• Mileage: 28,106 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A6 Avant S Line is advertised with 28,106 miles, approximately 6,500 below the typical mileage for its age. The AskCar estimate for this car is £26,036. It is priced at £25,499, which is £537 below that estimate. The AskCar estimate uses 785 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Audi Ayr, based in AYR. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £537 (2%) under the AskCar estimate of £26,036.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 785 priced Audi A6 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2023 Audi A6 Avant with the 2.0 petrol engine is typically advertised at £25,300: the median of the 97 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Audi A6 Avant has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 18 September 2026 at £26,499. Its asking price is now £25,499, £1,000 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 18 September 2026: £26,499
• 22 September 2026: £26,699
• 29 September 2026: £26,499
• 13 October 2026: £26,249
• 20 October 2026: £26,149
• 25 October 2026: £25,799
• 2 November 2026: £25,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 24 August 2027.

It has had one MOT, on 25 August 2026, and passed.

Advisories at the latest test: front tyre worn close to legal limit/worn on edge both; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 28,111 miles, which matches the advertised 28,106 miles.

Advertised mileage is about 6,500 miles lower than the median mileage of a 2023 Audi A6 Avant on AskCar.

Similar cars

18 other 2023 Audi A6 Avant S Line 2.0 petrol automatic estates are for sale at UK dealers, from £21,495 to £27,999, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Avant S Line, 2.0 petrol estate, blue. Mileage: 28,807 miles. Price: £25,995, £496 more than this car. Dealer: Norman Motors (Bournemouth) in Bournemouth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-9eff95e69071
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, grey. Mileage: 29,338 miles. Price: £27,999, £2,500 more than this car. Dealer: John Clark Motor Group Aberdeen Audi in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-b1f7b45860db
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 30,803 miles. Price: £24,400, £1,099 less than this car. Dealer: Yeovil Audi in Poole. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-8b16b3fe1356

• The nearest: 2023 Audi A6 Avant S Line, 2.0 petrol estate, grey, 80 miles from this car. Mileage: 17,256 miles. Price: £27,990, £2,491 more than this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-442c2e9aedb4