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: 28,960 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

This 2023 Audi A4 Avant S Line has covered 28,960 miles. Its asking price of £23,990 is £234 below the AskCar estimate of £24,224. The AskCar estimate uses 1,256 UK dealer adverts for the Audi A4 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sinclair Audi Approved Neyland, based in Neyland. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £234 (under 1%) under the AskCar estimate of £24,224.

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 1,256 priced Audi A4 Avant adverts across different ages and specifications, as of 6 November 2026.

A 2023 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £22,500: the median of the 212 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2023 Audi A4 Avant advertised today. About half of 2023 Audi A4 Avant cars are gone from sale within a month of being advertised: 143 of the 285 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £23,990. 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 6 November 2026: valid until 19 August 2027.

It has had one MOT, on 20 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 24,367 miles, which matches the advertised 28,960 miles.

Advertised mileage is about 1,800 miles lower than the median mileage of a 2023 Audi A4 Avant on AskCar.

Similar cars

16 other 2023 Audi A4 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £12,900 to £27,500, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 30,246 miles. Price: £22,950, £1,040 less than this car. Dealer: Mon Motors Bristol Audi in Bristol. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-1e6a67ff0b71
• 2023 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 30,811 miles. Price: £22,999, £991 less than this car. Dealer: Darren Cairns Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-9ecb8f5157aa
• 2023 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 32,505 miles. Price: £23,999, the same price as this car. Dealer: Forge (Aberaeron) in Aberaeron. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-32c2a7172f35

• The nearest: 2023 Audi A4 Avant S Line, 2.0 diesel estate, white, 7 miles from this car. Mileage: 35,981 miles. Price: £23,599, £391 less than this car. Dealer: Days HaverfordWest in Haverfordwest. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-d68f3fe39a7d