2023 Audi A5 2.0 TDI S Line

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: 23,671 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: Grey
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 23,671 miles on the clock, this 2023 Audi A5 S Line has done roughly 4,800 fewer miles than a typical 2023 Audi A5. The dealer is asking £25,790, which is £608 above the AskCar estimate of £25,182. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. We first recorded this advert 55 days ago, and its asking price has since fallen by £1,200. Its advertised mileage matches the government's MOT record. 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: £608 (2%) over the AskCar estimate of £25,182.

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 55 days.

Price history

AskCar first saw this advert on 10 September 2026 at £26,990. Its asking price is now £25,790, £1,200 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 10 September 2026: £26,990
• 3 October 2026: £26,290
• 8 October 2026: £25,990
• 27 October 2026: £25,790

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 March 2027.

It has had one MOT, on 13 March 2026, and passed.

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

Mileage at that test: 22,390 miles, which matches the advertised 23,671 miles.

Advertised mileage is about 4,800 miles lower 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: 23,139 miles. Price: £25,690, £100 less than this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a5-2023-6879be2ed945
• 2023 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 23,023 miles. Price: £25,990, £200 more than this car. Dealer: Agnew Group Portadown Audi in Portadown. AskCar page: https://askcar.co.uk/car/audi-a5-2023-e7dd95f926fc
• 2023 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 24,400 miles. Price: £24,000, £1,790 less than this car. Dealer: German Autocentre in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a5-2023-e4732dbbc10c