2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

1.0 30 TFSI S Line S tronic FWD Euro 6 4dr (108 bhp)

Mileage

36,400 miles

Year

2021

Fuel type

Petrol Hybrid

Body type

Saloon

Engine

1.0 L

Gearbox

Automatic

Power

108 bhp

Seats

5

CO2

120 g/km

Colour

Black

Doors

4

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TFSI

Hybrid type

Mild hybrid

Emissions standard

Euro 6

About this car

This 2021 Audi A3 S Line is advertised with 36,400 miles, approximately 6,400 below the typical mileage for its age. The dealer is asking £19,995, which is £2,155 above our market estimate of £17,840. Our estimate draws on 6,484 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 46 days ago. MOT records show an expiry date of 10 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Dorchester Collection, based in Dorchester.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £17,840. The asking price is £2,155 above 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 6,400 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.