2023 Audi A3 1.5 TFSI S Line

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: 10,000 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: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 10,000 miles on the clock. The AskCar estimate for this car is £22,751, but it is priced at £16,195, a difference of £6,556. Ask the dealer to confirm the price and vehicle details. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 53 days ago, and its asking price has since fallen by £800. The advertised mileage is lower than the latest MOT reading of 59,376 miles. Ask the dealer to explain. Its MOT is recorded as valid until 24 January 2027. You can find this car at National Car Hub in Walsall. 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

Far below the going rate: £6,556 (28%) under the AskCar estimate of £22,751. Worth asking the dealer why.

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 53 days.

Price history

AskCar first saw this advert on 10 September 2026 at £16,995. Its asking price is now £16,195, £800 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 10 September 2026: £16,995
• 16 October 2026: £16,495
• 20 October 2026: £16,195

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 January 2027.

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

There were no advisories at the latest test.

Mileage at that test: 59,376 miles. The advert says 10,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 17,000 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 £16,930 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, grey. Mileage: 10,000 miles. Price: £23,495, £7,300 more than this car. Dealer: Hadwins Approved in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3f19c07ce9ca
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 10,074 miles. Price: £21,160, £4,965 more than this car. Dealer: Big Motoring World Wimbledon in Wimbledon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8ba35e3ccacd
• 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 10,439 miles. Price: £22,999, £6,804 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6fd63efeee79

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 7 miles from this car. Mileage: 22,642 miles. Price: £20,133, £3,938 more than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2023-98d74b455c16