2023 Audi A3 1.5 TFSI S Line

Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)

Price: £19,500. Fair price: £408 (2%) over the AskCar estimate of £19,092, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,516 priced Audi A3 adverts on AskCar as of 1 November 2026.

AskCar lists 6,654 used Audi A3 from 2,245 UK dealerships, as of 1 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)
Mileage
46,610 miles
Year
2023
Fuel type
Petrol
Body type
Hatchback
Engine
1.5 L
Gearbox
Automatic
Power
148 bhp
Seats
5
CO2
135 g/km
Colour
Grey
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

This 2023 Audi A3 S Line has covered 46,610 miles, around 19,600 more miles than is typical for its age. The AskCar estimate for this car is £19,092. It is priced at £19,500, which is £408 above that estimate. The AskCar estimate draws on 6,516 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. Its MOT is recorded as valid until 22 May 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Sytner Group North Wales Audi in Llandudno Junction.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 1 November 2026.

Recorded asking prices
Date observedAsking price
1 November 2026£19,500

Price and mileage comparison

Fair price: £408 (2%) over the AskCar estimate of £19,092.

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 6,516 priced Audi A3 adverts across different ages and specifications, as of 1 November 2026.

Advertised mileage is about 19,600 miles higher 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 22 May 2027. 39,295 miles at the last test.

Other matching cars

368 other 2023 Audi A3 S Line automatic petrol cars are for sale at UK dealers from £14,990 to £27,898, as of 1 November 2026.

The 5 cheapest:

The 368 matching cars have covered 1,217 to 82,835 miles, compared with 46,610 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

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

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.