2023 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 23,201 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 23,201 miles on the clock, this 2023 Audi A3 S Line has done roughly 3,700 fewer miles than a typical 2023 Audi A3. Priced at £20,250, it is advertised £754 above the AskCar estimate of £19,496. The AskCar estimate uses 6,691 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 3 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Leicester Audi, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £754 (3%) over the AskCar estimate of £19,496.

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 6,691 priced Audi A3 adverts across different ages and specifications, as of 7 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 512 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised 3 days ago. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,073 of the 2,115 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £20,250. 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 7 November 2026: valid until 15 March 2027.

It has had one MOT, on 17 February 2026, and passed.

Advisories at the latest test: offside rear tyre has a cut but not deep enough to reach the ply or cords; nearside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 20,339 miles, which matches the advertised 23,201 miles.

Advertised mileage is about 3,700 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

92 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £14,700 to £22,498, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 23,396 miles. Price: £19,895, £355 less than this car. Dealer: Group 1 Automotive Norwich Audi in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bf480acf73d8
• 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 22,734 miles. Price: £20,400, £150 more than this car. Dealer: Marshall Motor Group Taunton Audi in Taunton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-65b5cb18482b
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 23,882 miles. Price: £19,995, £255 less than this car. Dealer: Group 1 Automotive Audi Harold Wood in Harold Wood. AskCar page: https://askcar.co.uk/car/audi-a3-2023-8d08334aa044

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, black, 18 miles from this car. Mileage: 15,106 miles. Price: £20,499, £249 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/audi-a3-2023-64f398b656df