2021 Audi A3 1.0 TFSI S Line

Version: 1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 4dr (108 bhp)

Price: £15,600. Fair price: £522 (3%) under the AskCar estimate of £16,122, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,600 priced Audi A3 adverts on AskCar as of 31 October 2026.

AskCar lists 6,729 used Audi A3 from 2,260 UK dealerships, as of 31 October 2026.

Overview

Make
Audi
Model
A3
Trim
S Line
Version
1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 4dr (108 bhp)
Mileage
38,054 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
1.0 L
Gearbox
Manual
Power
108 bhp
Seats
5
CO2
128 g/km
Colour
White
Doors
4
Driven wheels
Front Wheel Drive
Engine badge
TFSI
Emissions standard
Euro 6

About this car

This 2021 Audi A3 S Line is advertised with 38,054 miles, approximately 5,300 below the typical mileage for its age. Priced at £15,600, it is advertised £522 below the AskCar estimate of £16,122. The AskCar estimate uses 6,600 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 86 days ago, and its asking price has since fallen by £900. That may be worth mentioning if you discuss the price with the dealer. MOT records show an expiry date of 28 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Invicta Maidstone, based in Maidstone.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 6 August 2026, 86 days ago. Price reduced by £900 from £16,500 since AskCar first saw it. 6 price reductions recorded, the latest seen on 28 October 2026.

Recorded asking prices
Date observedAsking price
6 August 2026£16,500
13 August 2026£16,000
27 August 2026£15,990
3 September 2026£15,850
16 October 2026£15,500
24 October 2026£15,000
28 October 2026£14,800
31 October 2026£15,600

Price and mileage comparison

Fair price: £522 (3%) under the AskCar estimate of £16,122.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,600 priced Audi A3 adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 5,300 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 28 July 2027. 37,898 miles at the last test.

Other matching cars

46 other 2021 Audi A3 S Line manual petrol cars are for sale at UK dealers from £12,895 to £18,490, as of 31 October 2026.

The 5 cheapest:

The 46 matching cars have covered 17,350 to 84,920 miles, compared with 38,054 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Audi A3 cars for sale · 2021 Audi A3 price guide

More like this

Photos

29 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.