2023 Audi A3 1.5 TFSI S Line
Price: £19,891. Fair price: £29 (under 1%) under the AskCar estimate of £19,920, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.
AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Year: 2023
- Mileage: 38,672 miles
- Fuel: Petrol, mild hybrid
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 135 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 38,672 miles on the clock, this 2023 Audi A3 S Line has done roughly 11,700 more miles than a typical 2023 Audi A3. The AskCar estimate for this car is £19,920. It is priced at £19,891, which is £29 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 first saw this car advertised 33 days ago. Its asking price has since fallen by £106. The government's MOT record matches its advertised mileage. It is for sale at Lookers Audi Newcastle in Newcastle Upon Tyne. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £29 (under 1%) under the AskCar estimate of £19,920.
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 1.5 petrol engine is typically advertised at £20,600: the median of the 493 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2023 Audi A3 has been on sale for at least 33 days.
Price history
AskCar first saw this advert on 30 September 2026 at £19,997. Its asking price is now £19,891, £106 less. The latest price cut was seen on 2 November 2026.
Price changes recorded:
- 30 September 2026: £19,997
- 20 October 2026: £19,991
- 23 October 2026: £19,997
- 2 November 2026: £19,891
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 July 2027.
It has had one MOT, on 18 June 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 34,735 miles, which matches the advertised 38,672 miles.
Advertised mileage is about 11,700 miles higher than the median mileage of a 2023 Audi A3 on AskCar.
Similar cars
128 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 37,861 miles. Price: £20,000, £109 more than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a3-2023-03b2df81bcbd
- 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 39,551 miles. Price: £20,000, £109 more than this car. Dealer: Cotswold Group Select in Tewkesbury. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2c053e336166
- 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 40,000 miles. Price: £19,995, £104 more than this car. Dealer: Gerald Hallett Landrover in Yeovil. AskCar page: https://askcar.co.uk/car/audi-a3-2023-da8a83b7808c
- The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 6 miles from this car. Mileage: 16,335 miles. Price: £21,799, £1,908 more than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-22ab35dda6ed
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
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Photos
34 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.