2023 Audi A4 Avant 2.0 TFSI S Line

Price: £19,999. Fair price: £837 (4%) under the AskCar estimate of £20,836, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,251 priced Audi A4 Avant adverts on AskCar as of 5 November 2026.

AskCar lists 1,308 used Audi A4 Avant from 859 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: A4 Avant
  • Trim: S Line
  • Version: 2.0 TFSI S Line S tronic FWD Euro 6 5dr (147 bhp)
  • Year: 2023
  • Mileage: 38,033 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 147 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 160 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 38,033 miles, this 2023 Audi A4 Avant S Line has covered about 7,400 more miles than other 2023 Audi A4 Avant cars. Its asking price of £19,999 is £837 below the AskCar estimate of £20,836. To work out the AskCar estimate, we analyse UK dealer adverts for 1,251 Audi A4 Avant cars across different ages and specifications. We first saw this car advertised 40 days ago. Its asking price has since fallen by £1,496. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Baylis Westgate Gloucester, based in Gloucester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £837 (4%) under the AskCar estimate of £20,836.

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 1,251 priced Audi A4 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2023 Audi A4 Avant with the 2.0 petrol engine is typically advertised at £22,500: the median of the 210 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Audi A4 Avant has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 26 September 2026 at £21,495. Its asking price is now £19,999, £1,496 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 26 September 2026: £21,495
  • 13 October 2026: £21,250
  • 17 October 2026: £20,750
  • 29 October 2026: £20,394
  • 4 November 2026: £19,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 30 July 2027.

It failed its MOT on 22 July 2026 (nearside rear tyre tread depth below requirements of 1.6mm 245/35/19 93Y; offside rear tyre tread depth below requirements of 1.6mm 245/35/19 93Y) and passed 2 days later, on 24 July 2026.

There were no advisories at the latest test.

Mileage at that test: 37,930 miles, which matches the advertised 38,033 miles.

Advertised mileage is about 7,400 miles higher than the median mileage of a 2023 Audi A4 Avant on AskCar.

Similar cars

56 other 2023 Audi A4 Avant S Line 2.0 petrol automatic estates are for sale at UK dealers, from £15,000 to £27,499, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A4 Avant S Line, 2.0 petrol estate, grey. Mileage: 38,004 miles. Price: £19,999, the same price as this car. Dealer: Anthony Betts Hemel Hempstead in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-20fde26191b9
  • 2023 Audi A4 Avant S Line, 2.0 petrol estate, grey. Mileage: 38,318 miles. Price: £19,700, £299 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-0305f626379b
  • 2023 Audi A4 Avant S Line, 2.0 petrol estate, grey. Mileage: 36,766 miles. Price: £20,999, £1,000 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-d8bce52f147c
  • The nearest: 2023 Audi A4 Avant S Line, 2.0 petrol estate, black, 2 miles from this car. Mileage: 18,406 miles. Price: £21,197, £1,198 more than this car. Dealer: Carsa Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-4926f465acc4

Browse all Audi A4 Avant cars for sale · 2023 Audi A4 Avant price guide

More like this

Photos

17 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.