2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE COMPETITION

Version

1.4 13kWh TFSIe 45 S Line Competition S tronic FWD Euro 6 (s/s) 5dr Sportback (242 bhp)

Mileage

36,000 miles

Year

2021

Fuel type

Petrol Plug-in Hybrid

Body type

Hatchback

Engine

1.4 L

Gearbox

Automatic

Power

242 bhp

Seats

5

CO2

30 g/km

Colour

Blue

Doors

5

Driven wheels

Front Wheel Drive

Gearbox version

S tronic

Engine badge

TFSIe

Hybrid type

Plug-in hybrid

Emissions standard

Euro 6

About this car

With 36,000 miles on the clock, this 2021 Audi A3 S Line Competition has done roughly 6,800 fewer miles than a typical 2021 Audi A3. At £18,750, it is advertised £1,146 below our estimated market asking price of £19,896. Our estimate draws on 6,484 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 145 days ago. The latest MOT record shows an expiry date of 16 November 2026, with the advertised mileage consistent with the recorded reading. It is for sale at Kneeton Hill in Melton Mowbray.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £19,896. The asking price is £1,146 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 6,800 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.