2023 Audi A4 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A4 Avant
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 5dr (160 bhp)
• Year: 2023
• Mileage: 35,981 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 160 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,981 miles, this 2023 Audi A4 Avant S Line has covered about 5,400 more miles than other 2023 Audi A4 Avant cars. Its asking price of £23,599 is £28 below the AskCar estimate of £23,627. The AskCar estimate draws on 1,202 Audi A4 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 46 days. Its advertised mileage matches the government's MOT record. The seller is Days HaverfordWest, based in Haverfordwest. 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: £28 (under 1%) under the AskCar estimate of £23,627.

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 1,202 priced Audi A4 Avant adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £22,800: the median of the 194 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A4 Avant has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 17 September 2026 at £23,599. 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 2 November 2026: valid until 20 September 2027.

It has had one MOT, on 7 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 35,979 miles, which matches the advertised 35,981 miles.

Advertised mileage is about 5,400 miles higher than the median mileage of a 2023 Audi A4 Avant on AskCar.

Similar cars

14 other 2023 Audi A4 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £14,495 to £28,684, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 36,364 miles. Price: £22,500, £1,099 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-4a1b5ffbd7de
• 2023 Audi A4 Avant S Line, 2.0 diesel estate, blue. Mileage: 37,000 miles. Price: £24,750, £1,151 more than this car. Dealer: Prestige Marques in Ballynahinch. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-881d461bc903
• 2023 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 33,063 miles. Price: £23,298, £301 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-a797ac0e63a3

• The nearest: 2023 Audi A4 Avant S Line, 2.0 diesel estate, white, 40 miles from this car. Mileage: 32,505 miles. Price: £23,999, £400 more than this car. Dealer: Forge (Aberaeron) in Aberaeron. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-32c2a7172f35