2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 4dr (108 bhp)

Mileage

24,833 miles

Year

2021

Fuel type

Petrol

Body type

Saloon

Engine

1.0 L

Gearbox

Manual

Power

108 bhp

Seats

5

CO2

128 g/km

Colour

Black

Doors

4

Driven wheels

Front Wheel Drive

Engine badge

TFSI

Emissions standard

Euro 6

About this car

This 2021 Audi A3 S Line has covered 24,833 miles, around 18,200 fewer than typical for its age. The dealer is asking £17,990, which is £618 above our market estimate of £17,372. To estimate its market asking price, we analyse UK dealer adverts for 6,532 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 11 days ago. Its recorded MOT is valid until 23 May 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Agnew Group Belfast Audi, based in Belfast.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £17,372. The asking price is £618 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 6,532 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 18,200 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.