2023 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 58,100 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 58,100 miles, around 31,100 more miles than is typical for its age. The dealer is asking £18,750, which is £109 below the AskCar estimate of £18,859. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. It first appeared in our advert records 30 days ago. Its advertised mileage matches the government's MOT record. The seller is S Mckeever Cars, based in Portglenone. 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: £109 (under 1%) under the AskCar estimate of £18,859.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A3 with the 2.0 diesel engine is typically advertised at £21,500: the median of the 113 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £18,750. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 August 2027.

It has had one MOT, on 18 August 2026, and passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 58,093 miles, which matches the advertised 58,100 miles.

Advertised mileage is about 31,100 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

40 other 2023 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £16,203 to £24,699, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 57,767 miles. Price: £18,946, £196 more than this car. Dealer: Group 1 Automotive Chingford Audi in Chingford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-56f9d1600591
• 2023 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 56,218 miles. Price: £19,495, £745 more than this car. Dealer: John Clark Motor Group in Inverness. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3d32fff3cf5b
• 2023 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 61,059 miles. Price: £19,985, £1,235 more than this car. Dealer: Donnelly Motorstore Dungannon in Dungannon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-138832e9a92c

• The nearest: 2023 Audi A3 S Line, 2.0 diesel hatchback, grey, 9 miles from this car. Mileage: 54,000 miles. Price: £18,950, £200 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a3-2023-354fa7fabd84