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: 37,000 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: Blue
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 37,000 miles on the clock, this 2023 Audi A4 Avant S Line has done roughly 6,400 more miles than a typical 2023 Audi A4 Avant. Priced at £24,750, it is advertised £1,253 above the AskCar estimate of £23,497. To work out the AskCar estimate, we analyse UK dealer adverts for 1,232 Audi A4 Avant cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 141 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Prestige Marques in Ballynahinch. 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: £1,253 (5%) over the AskCar estimate of £23,497.

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 1,232 priced Audi A4 Avant adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £22,800: the median of the 205 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2023 Audi A4 Avant has been on sale for at least 141 days. About half of 2023 Audi A4 Avant cars are gone from sale within a month of being advertised: 140 of the 272 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 16 June 2026 at £24,750. 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 6 April 2027.

It failed its MOT on 31 March 2026 (front brake pad(s) less than 1.5 mm thick; nearside rear brake pad(s) less than 1.5 mm thick) and passed 7 days later, on 7 April 2026.

Advisories at the latest test: this is a low emitter on the emissions; nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge on the inner edge.

Mileage at that test: 37,431 miles, which matches the advertised 37,000 miles.

Advertised mileage is about 6,400 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 4 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, £2,250 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, white. Mileage: 35,981 miles. Price: £23,599, £1,151 less than this car. Dealer: Days HaverfordWest in Haverfordwest. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-d68f3fe39a7d
• 2023 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 33,063 miles. Price: £23,298, £1,452 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, grey, 14 miles from this car. Mileage: 59,700 miles. Price: £23,950, £800 less than this car. Dealer: The Car Company in Belfast. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-fff0a7d219bc