2023 Audi A3 1.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
• Year: 2023
• Mileage: 34,806 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 34,806 miles, this 2023 Audi A3 S Line has covered about 7,800 more miles than other 2023 Audi A3 cars. The AskCar estimate for this car is £18,876. It is priced at £18,001, which is £875 below that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Quality Part X Dunstable, based in Dunstable. 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: £875 (4%) under the AskCar estimate of £18,876.

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 1.0 petrol engine is typically advertised at £18,200: the median of the 453 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised today. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 2 November 2026 at £18,001. 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 27 September 2027.

It failed its MOT on 8 September 2026 (offside rear tyre has ply or cords exposed) and passed later the same day.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 33,914 miles, which matches the advertised 34,806 miles.

Advertised mileage is about 7,800 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

174 other 2023 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,990 to £23,180, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.0 petrol hatchback, blue. Mileage: 34,477 miles. Price: £19,995, £1,994 more than this car. Dealer: R W Sports And Prestige in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-47e7c32b59e3
• 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 35,312 miles. Price: £19,498, £1,497 more than this car. Dealer: Arnold Clark Edinburgh Sighthill Motorstore / Fiat / BYD in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d8b0f83f196e
• 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 35,376 miles. Price: £19,298, £1,297 more than this car. Dealer: Arnold Clark Huddersfield Motorstore in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-49690b93bf7b

• The nearest: 2023 Audi A3 S Line, 1.0 petrol hatchback, grey, under a mile from this car. Mileage: 46,661 miles. Price: £16,500, £1,501 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0b65b16baaf8