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: 19,158 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

This 2023 Audi A5 S Line has covered 19,158 miles, around 9,400 fewer miles than is typical for its age. Priced at £26,490, it is advertised £821 above the AskCar estimate of £25,669. 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 19 days ago, and its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Agnew Group Portadown Audi, based in Portadown. 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: £821 (3%) over the AskCar estimate of £25,669.

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 19 days.

Price history

AskCar first saw this advert on 16 October 2026 at £26,990. Its asking price is now £26,490, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 16 October 2026: £26,990
• 4 November 2026: £26,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 31 August 2027.

It failed its MOT on 20 August 2026 (engine MIL inoperative or indicates a malfunction; nearside front shock absorbers has a serious fluid leak) and passed 12 days later, on 1 September 2026.

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

Mileage at that test: 19,089 miles, which matches the advertised 19,158 miles.

Advertised mileage is about 9,400 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: 18,993 miles. Price: £26,490, the same price as this car. Dealer: Agnew Group Portadown Audi in Portadown. AskCar page: https://askcar.co.uk/car/audi-a5-2023-858ca42e5fb9
• 2023 Audi A5 S Line, 2.0 diesel hatchback, blue. Mileage: 18,600 miles. Price: £24,995, £1,495 less than this car. Dealer: Hadwins Approved in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/audi-a5-2023-c262f208fb4d
• 2023 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 18,423 miles. Price: £23,870, £2,620 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a5-2023-737a1eb11b9b

• The nearest: 2023 Audi A5 S Line, 2.0 diesel hatchback, grey, under a mile from this car. Mileage: 31,880 miles. Price: £24,990, £1,500 less than this car. Dealer: Agnew Group Portadown Audi in Portadown. AskCar page: https://askcar.co.uk/car/audi-a5-2023-5700c2451db4