2023 Audi A4 2.0 TFSI S Line
Price: £20,799. Fair price: £828 (3%) under the AskCar estimate of £21,627, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,428 priced Audi A4 adverts on AskCar as of 2 November 2026.
AskCar lists 1,493 used Audi A4 from 984 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A4
- Trim: S Line
- Version: 2.0 TFSI S Line Auto FWD Euro 6 4dr (147 bhp)
- Year: 2023
- Mileage: 25,329 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 147 bhp
- Gearbox: Automatic
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 154 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Audi A4 S Line has covered 25,329 miles, around 3,400 fewer miles than is typical for its age. The dealer is asking £20,799, which is £828 below the AskCar estimate of £21,627. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 60 days. It is advertised by John Peat Motors in Sleaford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £828 (3%) under the AskCar estimate of £21,627.
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 1,428 priced Audi A4 adverts across different ages and specifications, as of 2 November 2026.
A 2023 Audi A4 with the 2.0 petrol engine is typically advertised at £20,900: the median of the 206 for sale on AskCar, as of 2 November 2026.
Time on sale
The dealer may accept less. This 2023 Audi A4 has been on sale for at least 60 days. About half of 2023 Audi A4 cars are gone from sale within a month of being advertised: 123 of the 240 first advertised between 8 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 3 September 2026 at £20,799. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 3,400 miles lower than the median mileage of a 2023 Audi A4 on AskCar.
Similar cars
82 other 2023 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £14,300 to £22,999, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A4 S Line, 2.0 petrol saloon, white. Mileage: 25,611 miles. Price: £21,495, £696 more than this car. Dealer: Anchor Cars in Reading. AskCar page: https://askcar.co.uk/car/audi-a4-2023-a842b0b6cd67
- 2023 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 24,911 miles. Price: £21,998, £1,199 more than this car. Dealer: Arnold Clark Nottingham Motorstore in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a4-2023-1c062717c762
- 2023 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 24,750 miles. Price: £22,485, £1,686 more than this car. Dealer: Listers Birmingham Audi in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a4-2023-2705ce2484ce
- The nearest: 2023 Audi A4 S Line, 2.0 petrol saloon, grey, 30 miles from this car. Mileage: 14,182 miles. Price: £20,599, £200 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a4-2023-8acf39c5d958
Browse all Audi A4 cars for sale · 2023 Audi A4 price guide
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Photos
26 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.