2021 Audi A3

Overview

Make

Audi

Model

A3

Trim

S LINE

Version

1.4 13kWh TFSIe 40 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (201 bhp)

Mileage

36,700 miles

Year

2021

Fuel type

Petrol Plug-in Hybrid

Body type

Hatchback

Engine

1.4 L

Gearbox

Automatic

Power

201 bhp

Seats

5

CO2

29 g/km

Colour

Black

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

This 2021 Audi A3 S Line is advertised with 36,700 miles, approximately 6,100 below the typical mileage for its age. Its asking price of £16,490 is £1,642 below our estimate of £18,132. The estimate uses 6,484 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 10 days ago. Our latest MOT record expired on 16 May 2026. Check the current position with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. You can find this car at BSB Automotive in Dartford.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price and mileage comparison

Estimated market asking price: £18,132. The asking price is £1,642 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 6,100 miles lower 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.