2023 Audi A4 Avant 2.0 TFSI S Line

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: 21,189 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 21,189 miles on the clock, this 2023 Audi A4 Avant S Line has done roughly 9,400 fewer miles than a typical 2023 Audi A4 Avant. Its asking price of £21,995 is £855 below the AskCar estimate of £22,850. The AskCar estimate uses 1,202 UK dealer adverts for the Audi A4 Avant, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 8 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Fish Brothers Nissan in Swindon. 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: £855 (3%) under the AskCar estimate of £22,850.

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 petrol 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 8 days.

Price history

AskCar first saw this advert on 25 October 2026 at £21,995. 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 24 May 2027.

It has had one MOT, on 14 May 2026, and passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords side wall; under trays/covers fitted not all testable items visible.

Mileage at that test: 18,350 miles, which matches the advertised 21,189 miles.

Advertised mileage is about 9,400 miles lower than the median mileage of a 2023 Audi A4 Avant on AskCar.

Similar cars

54 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 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A4 Avant S Line, 2.0 petrol estate, white. Mileage: 20,310 miles. Price: £22,998, £1,003 more than this car. Dealer: Arnold Clark Mercedes-Benz Of Perth in Perth. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-3af0704f1d0f
• 2023 Audi A4 Avant S Line, 2.0 petrol estate, white. Mileage: 20,282 miles. Price: £21,070, £925 less than this car. Dealer: Big Motoring World Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-ca6ee4520044
• 2023 Audi A4 Avant S Line, 2.0 petrol estate, white. Mileage: 20,179 miles. Price: £21,677, £318 less than this car. Dealer: Group 1 Automotive Stockport Audi in Stockport. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-e39d1b56b6c4

• The nearest: 2023 Audi A4 Avant S Line, 2.0 petrol estate, black, 25 miles from this car. Mileage: 25,001 miles. Price: £21,295, £700 less than this car. Dealer: Sandown Group Avocado Newbury in Newbury. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-e16fcb295f70