2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

2.0 TDI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (114 bhp)

Mileage

25,000 miles

Year

2021

Fuel type

Diesel

Body type

Hatchback

Engine

2.0 L

Gearbox

Automatic

Power

114 bhp

Seats

5

CO2

128 g/km

Colour

Black

Doors

5

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TDI

Emissions standard

Euro 6

About this car

This 2021 Audi A3 S Line has covered 25,000 miles, around 17,800 fewer than typical for its age. Its asking price of £18,500 is £1,250 below our estimate of £19,750. Our estimate draws on 6,484 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £2,500 lower than when we first recorded the advert 145 days ago. It may give you a starting point for a conversation about price. MOT records show an expiry date of 12 April 2027, and the latest recorded mileage is consistent with the advert. You can find this car at George Rhodes And Sons in Stoke-on-Trent.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £19,750. The asking price is £1,250 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 6,484 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 17,800 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.