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) 5dr Sportback (148 bhp)

Mileage

44,495 miles

Year

2021

Fuel type

Diesel

Body type

Hatchback

Engine

2.0 L

Gearbox

Automatic

Power

148 bhp

Seats

5

CO2

127 g/km

Colour

Black

Doors

5

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 is advertised with 44,495 miles on the clock. Its asking price of £17,990 is £1,016 below our estimate of £19,006. The estimate uses 6,484 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 100 days ago, and its asking price has since fallen by £410. The recorded MOT expired on 3 June 2026, so ask the dealer whether it has been renewed. Its advertised mileage is consistent with the latest recorded MOT reading. The seller is Barlow Motors Crewe Skoda, based in Crewe.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £19,006. The asking price is £1,016 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 1,700 miles higher than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.