2023 Audi A3 1.0 TFSI S Line

Version: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)

Price: £20,495. Fair price: £174 (under 1%) under the AskCar estimate of £20,669, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,475 priced Audi A3 adverts on AskCar as of 30 October 2026.

AskCar lists 6,654 used Audi A3 from 2,240 UK dealerships, as of 30 October 2026.

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)
Mileage
14,692 miles
Year
2023
Fuel type
Petrol
Body type
Hatchback
Engine
1.0 L
Gearbox
Automatic
Power
108 bhp
Seats
5
CO2
124 g/km
Colour
Blue
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

With 14,692 miles on the clock, this 2023 Audi A3 S Line has done roughly 12,200 fewer miles than a typical 2023 Audi A3. The dealer is asking £20,495, which is £174 below the AskCar estimate of £20,669. To work out the AskCar estimate, we analyse UK dealer adverts for 6,475 Audi A3 cars across different ages and specifications. We have tracked this advert today. MOT records show an expiry date of 19 October 2027, and the latest recorded mileage is consistent with the advert. The seller is Stoneacre Doncaster (Barnby Dun Road), based in Doncaster.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£20,495

Price and mileage comparison

Fair price: £174 (under 1%) under the AskCar estimate of £20,669.

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 6,475 priced Audi A3 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 12,200 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 19 October 2027. 14,900 miles at the last test.

Other matching cars

357 other 2023 Audi A3 S Line automatic petrol cars are for sale at UK dealers from £14,990 to £24,670, as of 30 October 2026.

The 5 cheapest:

The 357 matching cars have covered 1,217 to 82,835 miles, compared with 14,692 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Audi A3 cars for sale · 2023 Audi A3 price guide

More like this

Photos

21 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.