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: 39,730 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 39,730 miles. The dealer is asking £25,800, which is £250 below the AskCar estimate of £26,050. To work out the AskCar estimate, we analyse UK dealer adverts for 774 Audi A6 Avant cars across different ages and specifications. We first recorded this car for sale 19 days ago. The latest MOT recorded 54,861 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 12 July 2027. It is for sale at Lmc Cars in Upminster. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £250 (under 1%) under the AskCar estimate of £26,050.

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 774 priced Audi A6 Avant adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A6 Avant with the 2.0 plug-in hybrid engine is typically advertised at £25,400: the median of the 97 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Audi A6 Avant has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 16 October 2026 at £25,800. 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 4 November 2026: valid until 12 July 2027.

It has had one MOT, on 13 July 2026, and passed.

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

Mileage at that test: 54,861 miles. The advert says 39,730 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 4,900 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 £13,995 to £25,849, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Avant S Line, 2.0 plug-in hybrid estate, red. Mileage: 35,574 miles. Price: £25,849, the same price as 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, £1,750 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-ae18233df0d0
• 2023 Audi A6 Avant S Line, 2.0 plug-in hybrid estate, blue. Mileage: 60,151 miles. Price: £23,500, £2,300 less than this car. Dealer: Lmc Cars in Upminster. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-c357bae9723f