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

39,784 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

Blue

Doors

5

Driven wheels

Front Wheel Drive

Engine badge

TFSI

Emissions standard

Euro 6

About this car

At 39,784 miles, this 2021 Audi A3 S Line has covered about 3,200 fewer miles than other 2021 Audi A3 cars. Our estimated market asking price is £17,045. This car is advertised at £16,990, which is £55 below that figure. The estimate uses 6,532 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 19 days ago. MOT records show an expiry date of 3 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Swansway Garages Crewe Audi, based in Crewe.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £17,045. The asking price is £55 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 6,532 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,200 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.