2023 Audi A6 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (201 bhp)
• Year: 2023
• Mileage: 40,557 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 152 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 40,557 miles on the clock, this 2023 Audi A6 Avant S Line has done roughly 6,000 more miles than a typical 2023 Audi A6 Avant. The AskCar estimate for this car is £27,585. It is priced at £27,995, which is £410 above that estimate. The AskCar estimate uses UK dealer asking prices, including 789 Audi A6 Avant adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 11 days ago. Its advertised mileage matches the government's MOT record. The seller is Eakin Brothers, based in Maydown. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £410 (1%) over the AskCar estimate of £27,585.

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 789 priced Audi A6 Avant adverts across different ages and specifications, as of 7 November 2026.

A 2023 Audi A6 Avant with the 2.0 diesel engine is typically advertised at £24,800: the median of the 97 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2023 Audi A6 Avant has been on sale for at least 11 days.

Price history

AskCar first saw this advert on 27 October 2026 at £27,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 May 2027.

It has had one MOT, on 14 May 2026, and passed.

Advisories at the latest test: front brake pad(s) wearing thin; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 38,590 miles, which matches the advertised 40,557 miles.

Advertised mileage is about 6,000 miles higher than the median mileage of a 2023 Audi A6 Avant on AskCar.

Similar cars

8 other 2023 Audi A6 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £21,990 to £30,990, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 36,164 miles. Price: £26,775, £1,220 less than this car. Dealer: Lawrence Warner Specialist Cars in Havant. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-c8803ef08f38
• 2023 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 30,361 miles. Price: £28,450, £455 more than this car. Dealer: Group 1 Automotive Whetstone Audi in Whetstone. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-2cb048005019
• 2023 Audi A6 Avant S Line, 2.0 diesel estate, grey. Mileage: 23,503 miles. Price: £29,749, £1,754 more than this car. Dealer: Ballyrobert Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-3dc2896ceb02

• The nearest: 2023 Audi A6 Avant S Line, 2.0 diesel estate, blue, 33 miles from this car. Mileage: 78,000 miles. Price: £22,495, £5,500 less than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-e131e57d9649