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

27,272 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

White

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

With 27,272 miles on the clock, this 2021 Audi A3 S Line has done roughly 15,500 fewer miles than a typical 2021 Audi A3. Its asking price of £18,170 is £1,602 below our estimate of £19,772. We use UK dealer asking prices, including 6,484 Audi A3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 92 days ago, the asking price has dropped by £1,830. That may be worth mentioning if you discuss the price with the dealer. Its recorded MOT is valid until 29 June 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Big Motoring World Blue Bell Hill in Chatham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £19,772. The asking price is £1,602 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 15,500 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.