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: 15,862 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: White
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 15,862 miles, approximately 11,100 below the typical mileage for its age. The AskCar estimate for this car is £20,588. It is priced at £20,495, which is £93 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We have tracked this advert for 2 days. Its advertised mileage matches the government's MOT record. The seller is Group 1 Automotive Watford Audi, based in Watford. 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: £93 (under 1%) under the AskCar estimate of £20,588.

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 2 days ago. 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 31 October 2026 at £20,495. 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 5 March 2027.

It has had one MOT, on 20 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 13,834 miles, which matches the advertised 15,862 miles.

Advertised mileage is about 11,100 miles lower 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, grey. Mileage: 16,057 miles. Price: £20,790, £295 more than this car. Dealer: Direct Cars in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-4715788023a5
• 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 16,400 miles. Price: £19,980, £515 less than this car. Dealer: Evans Halshaw Citroen Hull in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1af93c4f942b
• 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 15,000 miles. Price: £19,750, £745 less than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-46262fc5d395

• The nearest: 2023 Audi A3 S Line, 1.0 petrol hatchback, black, 4 miles from this car. Mileage: 21,641 miles. Price: £19,990, £505 less than this car. Dealer: Grimsdyke Sales in Harrow. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d5882858c157