2023 Audi A6 Avant 2.0 TFSIe S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 17.9kWh TFSIe 50 S Line S tronic 4WD Euro 6 (s/s) 5dr (295 bhp)
• Year: 2023
• Mileage: 42,311 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 295 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 33 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A6 Avant S Line has covered 42,311 miles, around 7,500 more miles than is typical for its age. The AskCar estimate for this car is £25,706. It is priced at £24,994, which is £712 below that estimate. The AskCar estimate uses 779 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is Phoenix Cars, based in Winchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £712 (2%) under the AskCar estimate of £25,706.

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 11 November 2026.

A 2023 Audi A6 Avant with the 2.0 plug-in hybrid engine is typically advertised at £24,700: the median of the 97 for sale on AskCar, as of 11 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: 78 of the 161 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £24,994. 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 11 November 2026: valid until 11 April 2027.

It failed its MOT on 9 April 2026 (central front tyre has a cut in excess of the requirements deep enough to reach the ply or cords; nearside front outer tyre has ply or cords exposed; front windscreen wiper does not clear the windscreen effectively) and passed 1 day later, on 10 April 2026.

There were no advisories at the latest test.

Mileage at that test: 37,502 miles, which matches the advertised 42,311 miles.

Advertised mileage is about 7,500 miles higher than the median mileage of a 2023 Audi A6 Avant on AskCar.

Similar cars

5 other 2023 Audi A6 Avant S Line 2.0 plug-in hybrid automatic estates are for sale at UK dealers, from £13,995 to £26,099, as of 11 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Avant S Line, 2.0 plug-in hybrid estate, black. Mileage: 39,730 miles. Price: £25,800, £806 more than this car. Dealer: Lmc Cars in Upminster. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-bfe21ca6b014
• 2023 Audi A6 Avant S Line, 2.0 plug-in hybrid estate, red. Mileage: 35,574 miles. Price: £26,099, £1,105 more than this car. Dealer: Motorpoint Leeds in Leeds. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-f1e2fe9ca805
• 2023 Audi A6 Avant S Line, 2.0 plug-in hybrid estate, blue. Mileage: 28,522 miles. Price: £24,050, £944 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-ae18233df0d0

• The nearest: 2023 Audi A6 Avant S Line, 2.0 plug-in hybrid estate, black, 44 miles from this car. Mileage: 120,948 miles. Price: £13,995, £10,999 less than this car. Dealer: Ideal Cars Sussex in Horsham. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-a6d1abc9d88e