2023 Audi A5 2.0 TDI S Line
Price: £21,790. Fair price: £412 (1%) over the AskCar estimate of £21,378, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,830 priced Audi A5 adverts on AskCar as of 2 November 2026.
AskCar lists 1,887 used Audi A5 from 1,070 UK dealerships, as of 2 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: 56,338 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
At 56,338 miles, this 2023 Audi A5 S Line has covered about 27,200 more miles than other 2023 Audi A5 cars. The AskCar estimate for this car is £21,378. It is priced at £21,790, which is £412 above that estimate. The AskCar estimate uses 1,830 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 13 days ago. Its asking price has since fallen by £1,200. 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 2 November 2026.
Price
Fair price: £412 (1%) over the AskCar estimate of £21,378.
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 1,830 priced Audi A5 adverts across different ages and specifications, as of 2 November 2026.
A 2023 Audi A5 with the 2.0 diesel engine is typically advertised at £24,000: the median of the 268 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2023 Audi A5 has been on sale for at least 13 days.
Price history
AskCar first saw this advert on 20 October 2026 at £22,990. Its asking price is now £21,790, £1,200 less. The latest price cut was seen on 23 October 2026.
Price changes recorded:
- 20 October 2026: £22,990
- 23 October 2026: £21,790
Mileage and MOT
Advertised mileage is about 27,200 miles higher than the median mileage of a 2023 Audi A5 on AskCar.
Similar cars
74 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 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 55,343 miles. Price: £20,400, £1,390 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a5-2023-49bb8c9a1b54
- 2023 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 54,720 miles. Price: £20,990, £800 less than this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/audi-a5-2023-dbd00982b11b
- 2023 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 58,337 miles. Price: £20,450, £1,340 less than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/audi-a5-2023-3a4db456262a
- 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, £3,900 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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- Used Audi A5 S Line prices
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- Used Audi A5 for sale near Belfast
Photos
36 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.