2023 Audi A3 1.5 TFSI S Line
Price: £20,970. Fair price: £1,266 (5%) under the AskCar estimate of £22,236, 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: 15,303 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: White
- CO2: 135 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 15,303 miles, this 2023 Audi A3 S Line has covered about 11,700 fewer miles than other 2023 Audi A3 cars. The dealer is asking £20,970, which is £1,266 below the AskCar estimate of £22,236. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 18 days ago. Its asking price has since fallen by £310. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw Ford Burnley, based in Burnley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,266 (5%) under the AskCar estimate of £22,236.
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 18 days.
Price history
AskCar first saw this advert on 15 October 2026 at £21,280. Its asking price is now £20,970, £310 less. The latest price cut was seen on 27 October 2026.
Price changes recorded:
- 15 October 2026: £21,280
- 20 October 2026: £21,210
- 27 October 2026: £20,970
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 September 2027.
It has had one MOT, on 23 September 2026, and passed.
Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened.
Mileage at that test: 15,107 miles, which matches the advertised 15,303 miles.
Advertised mileage is about 11,700 miles lower 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: 15,290 miles. Price: £22,979, £2,009 more than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8ac4ca4585c3
- 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 15,331 miles. Price: £22,605, £1,635 more than this car. Dealer: Lookers Audi Wearside in Sunderland. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1bbeb784fa26
- 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 15,150 miles. Price: £22,898, £1,928 more than this car. Dealer: Group 1 Automotive Audi Approved Colchester in Colchester. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cdb3e0dd0acc
- The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 13 miles from this car. Mileage: 37,000 miles. Price: £19,690, £1,280 less than this car. Dealer: GTS Automotive in Osbaldeston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-7420a0b5019f
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
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Photos
24 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.