2023 Audi A3 1.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 4dr (108 bhp)
• Year: 2023
• Mileage: 20,500 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 20,500 miles on the clock. Priced at £18,803, it is advertised £246 below the AskCar estimate of £19,049. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 12 days ago. The advertised mileage is lower than the latest MOT reading of 21,087 miles. Ask the dealer to explain. Its MOT is recorded as valid until 18 October 2027. The seller is Vertu MINI Durham, based in Durham. 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: £246 (1%) under the AskCar estimate of £19,049.

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

This 2023 Audi A3 has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 21 October 2026 at £18,688. Its asking price is now £18,803, £115 more.

Price changes recorded:

• 21 October 2026: £18,688
• 23 October 2026: £18,818
• 24 October 2026: £18,803

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 October 2027.

It has had 2 MOTs. The latest, on 19 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 21,087 miles. The advert says 20,500 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 6,500 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

19 other 2023 Audi A3 S Line 1.0 petrol manual saloons are for sale at UK dealers, from £12,800 to £20,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 20,000 miles. Price: £18,790, the same price as this car. Dealer: KCS of Surrey in Addlestone. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b417aaf6237c
• 2023 Audi A3 S Line, 1.0 petrol saloon, black. Mileage: 20,000 miles. Price: £18,850, the same price as this car. Dealer: Mon Motors Cheltenham Audi in Cheltenham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-887b3cf0efdb
• 2023 Audi A3 S Line, 1.0 petrol saloon, red. Mileage: 18,734 miles. Price: £19,059, £256 more than this car. Dealer: Drayton Motors Bolton in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9816a6f4f162

• The nearest: 2023 Audi A3 S Line, 1.0 petrol saloon, grey, 7 miles from this car. Mileage: 26,773 miles. Price: £19,498, £695 more than this car. Dealer: Arnold Clark Birtley Motorstore / MG / Vanstore in Birtley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-10c8353b1a7c