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: 29,219 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 is advertised with 29,219 miles on the clock. The AskCar estimate for this car is £24,671. It is priced at £23,417, which is £1,254 below 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 52 days ago. Its asking price has since fallen by £1,015. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Audi Farnborough, based in Farnborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,254 (5%) under the AskCar estimate of £24,671.

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 52 days.

Price history

AskCar first saw this advert on 11 September 2026 at £24,432. Its asking price is now £23,417, £1,015 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 11 September 2026: £24,432
• 12 September 2026: £24,921
• 19 September 2026: £24,899
• 22 September 2026: £24,895
• 25 September 2026: £24,922
• 1 October 2026: £24,677
• 4 October 2026: £24,374
• 9 October 2026: £24,605
• 11 October 2026: £24,437
• 14 October 2026: £24,150
• 21 October 2026: £23,751
• 29 October 2026: £23,657
• 31 October 2026: £23,417

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 August 2027.

It failed its MOT on 6 August 2026 (nearside rear seat belt buckle not functioning as intended; rear fog lamp not working) and passed 4 days later, on 10 August 2026.

There were no advisories at the latest test.

Mileage at that test: 29,222 miles, which matches the advertised 29,219 miles.

Advertised mileage is about 100 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, grey. Mileage: 29,282 miles. Price: £25,790, £2,373 more than this car. Dealer: Group 1 Automotive Lowestoft Audi in Lowestoft. AskCar page: https://askcar.co.uk/car/audi-a5-2023-1ce2a22dae0b
• 2023 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 28,519 miles. Price: £24,490, £1,073 more than this car. Dealer: Group 1 Automotive Cheshire Oaks Audi in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-a5-2023-bfbb4efe3ec8
• 2023 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 28,310 miles. Price: £24,798, £1,381 more than this car. Dealer: Arnold Clark Motherwell Motorstore in Motherwell. AskCar page: https://askcar.co.uk/car/audi-a5-2023-65db5ae1bfd7

• The nearest: 2023 Audi A5 S Line, 2.0 diesel hatchback, white, 13 miles from this car. Mileage: 33,575 miles. Price: £23,698, £281 more than this car. Dealer: Arnold Clark Chertsey Motorstore / Geely in Chertsey. AskCar page: https://askcar.co.uk/car/audi-a5-2023-dfef4a32dfcf