2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)

Mileage

40,479 miles

Year

2021

Fuel type

Diesel

Body type

Saloon

Engine

2.0 L

Gearbox

Automatic

Power

148 bhp

Seats

5

CO2

124 g/km

Colour

White

Doors

4

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TDI

Emissions standard

Euro 6

About this car

With 40,479 miles on the clock, this 2021 Audi A3 S Line has done roughly 2,300 fewer miles than a typical 2021 Audi A3. At £18,795, it is advertised £199 below our estimated market asking price of £18,994. To estimate its market asking price, we analyse UK dealer adverts for 6,484 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 11 days ago. MOT records show an expiry date of 26 October 2027, and the latest recorded mileage is consistent with the advert. The seller is Group 1 Automotive Southend Audi, based in Southend.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £18,994. The asking price is £199 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 2,300 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.