2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

2.0 TDI S Line S tronic FWD Euro 6 4dr

Mileage

71,923 miles

Year

2021

Fuel type

Diesel

Body type

Saloon

Engine

2.0 L

Gearbox

Automatic

Seats

5

CO2

124 g/km

Colour

Grey

Doors

4

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 71,923 miles, around 29,100 more than typical for its age. At £16,495, it is advertised £92 below our estimated market asking price of £16,587. To estimate its market asking price, we analyse UK dealer adverts for 6,484 Audi A3 cars across different ages and specifications. Since we first spotted the advert 95 days ago, the asking price has dropped by £1,500. That history is worth bearing in mind when speaking to the dealer. Its MOT is recorded as valid until 24 January 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by S & R Motors in Swindon.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £16,587. The asking price is £92 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 29,100 miles higher than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.