2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

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

Mileage

22,451 miles

Year

2021

Fuel type

Petrol

Body type

Hatchback

Engine

1.5 L

Gearbox

Manual

Power

148 bhp

Seats

5

CO2

136 g/km

Colour

Black

Doors

5

Driven wheels

Front Wheel Drive

Engine badge

TFSI

Emissions standard

Euro 6

About this car

At 22,451 miles, this 2021 Audi A3 S Line has covered about 20,300 fewer miles than other 2021 Audi A3 cars. The dealer is asking £18,399, which is £143 below our market estimate of £18,542. To estimate its market asking price, we analyse UK dealer adverts for 6,484 Audi A3 cars across different ages and specifications. We first recorded this advert 46 days ago, and its asking price has since fallen by £600. Its recorded MOT is valid until 18 August 2027, and its advertised mileage is consistent with the latest MOT reading. It is for sale at cinch Corby in North Northamptonshire.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £18,542. The asking price is £143 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 20,300 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.