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: 120,948 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: Black
• CO2: 33 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A6 Avant S Line has covered 120,948 miles, around 85,800 more miles than is typical for its age. The AskCar estimate for this car is £14,959. It is priced at £13,995, which is £964 below that estimate. The AskCar estimate uses 778 UK dealer adverts for the Audi A6 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 158 days ago, and its asking price has since fallen by £4,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Ideal Cars Sussex, based in Horsham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £964 (6%) under the AskCar estimate of £14,959.

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 778 priced Audi A6 Avant adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A6 Avant with the 2.0 plug-in hybrid engine is typically advertised at £25,000: the median of the 94 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A6 Avant has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £18,495. Its asking price is now £13,995, £4,500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 28 May 2026: £18,495
• 16 June 2026: £15,995
• 5 August 2026: £16,995
• 26 August 2026: £14,995
• 20 October 2026: £15,995
• 27 October 2026: £13,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 May 2027.

It has had 2 MOTs. The latest, on 18 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 121,105 miles, which matches the advertised 120,948 miles.

Advertised mileage is about 85,800 miles higher than the median mileage of a 2023 Audi A6 Avant on AskCar.

Similar cars

4 other 2023 Audi A6 Avant S Line 2.0 plug-in hybrid automatic estates are for sale at UK dealers, from £23,500 to £25,800, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Avant S Line, 2.0 plug-in hybrid estate, blue. Mileage: 60,151 miles. Price: £23,500, £9,505 more than this car. Dealer: Lmc Cars in Upminster. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-c357bae9723f
• 2023 Audi A6 Avant S Line, 2.0 plug-in hybrid estate, black. Mileage: 39,730 miles. Price: £25,800, £11,805 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: £25,799, £11,804 more than this car. Dealer: Motorpoint Leeds in Leeds. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-f1e2fe9ca805