2023 Audi A5 2.0 TDI S Line

Price: £25,490. Fair price: £1,215 (5%) over the AskCar estimate of £24,275, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,865 priced Audi A5 adverts on AskCar as of 4 November 2026.

AskCar lists 1,911 used Audi A5 from 1,079 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A5
  • Trim: S Line
  • Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (161 bhp)
  • Year: 2023
  • Mileage: 31,839 miles
  • Fuel: Diesel, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 161 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 137 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A5 S Line has covered 31,839 miles, around 3,300 more miles than is typical for its age. The dealer is asking £25,490, which is £1,215 above the AskCar estimate of £24,275. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. We first saw this car advertised 54 days ago. Its asking price has since fallen by £300. The seller is Agnew Group Belfast Audi, based in Belfast. 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: £1,215 (5%) over the AskCar estimate of £24,275.

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 1,865 priced Audi A5 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A5 with the 2.0 diesel engine is typically advertised at £24,000: the median of the 263 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Audi A5 has been on sale for at least 54 days.

Price history

AskCar first saw this advert on 11 September 2026 at £25,790. Its asking price is now £25,490, £300 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

  • 11 September 2026: £25,790
  • 8 October 2026: £25,490

Mileage and MOT

Advertised mileage is about 3,300 miles higher than the median mileage of a 2023 Audi A5 on AskCar.

Similar cars

71 other 2023 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £15,990 to £29,900, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 31,880 miles. Price: £24,990, £500 less than this car. Dealer: Agnew Group Portadown Audi in Portadown. AskCar page: https://askcar.co.uk/car/audi-a5-2023-5700c2451db4
  • 2023 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 31,563 miles. Price: £26,076, £586 more than this car. Dealer: Lookers Audi Wearside in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a5-2023-8719319fe094
  • 2023 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 31,267 miles. Price: £23,000, £2,490 less than this car. Dealer: Grange. AskCar page: https://askcar.co.uk/car/audi-a5-2023-38fb9d6bd68d
  • The nearest: 2023 Audi A5 S Line, 2.0 diesel hatchback, grey, under a mile from this car. Mileage: 23,139 miles. Price: £25,690, £200 more than this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a5-2023-6879be2ed945

Browse all Audi A5 cars for sale · 2023 Audi A5 price guide

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Photos

35 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.