2023 Audi A6 Avant 2.0 TFSI S Line

Price: £27,575. Fair price: £573 (2%) over the AskCar estimate of £27,002, our expected asking price for this car from its model, age, mileage and specification, drawing on 779 priced Audi A6 Avant adverts on AskCar as of 12 November 2026.

AskCar lists 801 used Audi A6 Avant from 593 UK dealerships, as of 12 November 2026.

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: 18,483 miles
Fuel: Petrol
Body: Estate, 5 doors, 5 seats
Engine: 2.0 litres, 201 bhp
Gearbox: Automatic (S tronic)
Drive: Front-wheel drive
Colour: Grey
CO2: 169 g/km
Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A6 Avant S Line is advertised with 18,483 miles, approximately 16,100 below the typical mileage for its age. The dealer is asking £27,575, which is £573 above the AskCar estimate of £27,002. To work out the AskCar estimate, we analyse UK dealer adverts for 779 Audi A6 Avant cars across different ages and specifications. It first appeared in our advert records today. Its advertised mileage matches the government's MOT record. The seller is Lookers Audi Wearside, based in Sunderland. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Lookers Audi Wearside is rated 4.9 out of 5 on Google.

Price

Fair price: £573 (2%) over the AskCar estimate of £27,002.

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 779 priced Audi A6 Avant adverts across different ages and specifications, as of 12 November 2026.

A 2023 Audi A6 Avant with the 2.0 petrol engine is typically advertised at £24,900: the median of the 98 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2023 Audi A6 Avant advertised today. About half of 2023 Audi A6 Avant cars are gone from sale within a month of being advertised: 80 of the 164 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £27,575. 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 12 November 2026: valid until 25 September 2027.

It has had one MOT, on 1 September 2026, and passed.

Advisories at the latest test: offside rear nail in tyre.

Mileage at that test: 18,391 miles, which matches the advertised 18,483 miles.

Advertised mileage is about 16,100 miles lower than the median mileage of a 2023 Audi A6 Avant on AskCar.

Similar cars

19 other 2023 Audi A6 Avant S Line 2.0 petrol automatic estates are for sale at UK dealers, from £21,000 to £27,999, as of 12 November 2026.

The 3 closest to this car in mileage:

2023 Audi A6 Avant S Line, 2.0 petrol estate, grey. Mileage: 17,256 miles. Price: £27,490, £85 less than this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-442c2e9aedb4
2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 21,500 miles. Price: £26,499, £1,076 less than this car. Dealer: Lookers Audi Tyneside in Tynemouth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-d6efb33546d3
2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 24,856 miles. Price: £25,998, £1,577 less than this car. Dealer: Lookers Audi Teesside in Teesside. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-3a2b76798ad1

Browse all Audi A6 Avant cars for sale · 2023 Audi A6 Avant price guide

Photos

13 photos of this car are on its AskCar page.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.