2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

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

Mileage

33,794 miles

Year

2021

Fuel type

Petrol Hybrid

Body type

Hatchback

Engine

1.5 L

Gearbox

Automatic

Power

148 bhp

Seats

5

CO2

135 g/km

Colour

Black

Doors

5

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TFSI

Hybrid type

Mild hybrid

Emissions standard

Euro 6

About this car

This 2021 Audi A3 S Line has covered 33,794 miles, around 9,000 fewer than typical for its age. Its asking price of £18,689 is £440 below our estimate of £19,129. Our estimate draws on 6,484 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 17 days ago, and its asking price has since fallen by £123. MOT records show an expiry date of 3 September 2027, and the latest recorded mileage is consistent with the advert. The seller is Carbase Weston-super-Mare, based in Weston-Super-Mare.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £19,129. The asking price is £440 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 9,000 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.