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

41,270 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

Grey

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 41,270 miles. At £17,507, it is advertised £863 below our estimated market asking price of £18,370. To estimate its market asking price, we analyse UK dealer adverts for 6,532 Audi A3 cars across different ages and specifications. Since we first spotted the advert 6 days ago, the asking price has dropped by £766. Its recorded MOT is valid until 27 February 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Cargem in Rainham.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £18,370. The asking price is £863 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 1,700 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.