2023 Audi A4 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A4 Avant
• Trim: S Line
• Version: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (201 bhp)
• Year: 2023
• Mileage: 50,021 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A4 Avant S Line has covered 50,021 miles, around 19,400 more miles than is typical for its age. Priced at £21,990, it is advertised £1,358 below the AskCar estimate of £23,348. The AskCar estimate uses UK dealer asking prices, including 1,202 Audi A4 Avant adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 4 days. Its advertised mileage matches the government's MOT record. It is for sale at Spire Cars UK in The Hyde. 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: £1,358 (5%) under the AskCar estimate of £23,348.

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

AskCar first saw this 2023 Audi A4 Avant advertised 4 days ago. About half of 2023 Audi A4 Avant cars are gone from sale within a month of being advertised: 129 of the 251 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 29 October 2026 at £21,990. 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 2 November 2026: valid until 11 May 2027.

It failed its MOT on 1 May 2026 (offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; exhaust particulate filter obviously defective) and passed 11 days later, on 12 May 2026.

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

Mileage at that test: 50,016 miles, which matches the advertised 50,021 miles.

Advertised mileage is about 19,400 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, black. Mileage: 46,730 miles. Price: £21,595, £395 less than this car. Dealer: V12 Sports & Classics Ltd - Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-00ffcf663a23
• 2023 Audi A4 Avant S Line, 2.0 diesel estate, grey. Mileage: 59,700 miles. Price: £23,950, £1,960 more than this car. Dealer: The Car Company in Belfast. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-fff0a7d219bc
• 2023 Audi A4 Avant S Line, 2.0 diesel estate, blue. Mileage: 37,000 miles. Price: £24,750, £2,760 more than this car. Dealer: Prestige Marques in Ballynahinch. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-881d461bc903

• The nearest: 2023 Audi A4 Avant S Line, 2.0 diesel estate, white, 95 miles from this car. Mileage: 30,811 miles. Price: £22,999, £1,009 more than this car. Dealer: Darren Cairns Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-9ecb8f5157aa