2021 Audi A3

1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)

£18,520

Fair price: within 8% of the typical £18,650 for this model, age and mileage, drawing on 6,542 adverts of this make and model.

Overview

Make
Audi
Model
A3
Trim
S LINE
Version
1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
Mileage
23,955 miles
Year
2021
Fuel type
Petrol Hybrid
Body type
Hatchback
Engine
1.0 L
Gearbox
Automatic
Power
108 bhp
Seats
5
CO2
124 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

This 2021 Audi A3 S Line has covered 23,955 miles, around 19,100 fewer than typical for its age. At £18,520, it is advertised £130 below our estimated market asking price of £18,650. The estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 14 days ago. Its asking price has since fallen by £120. Our records show an MOT expiry date of 28 April 2026, which has passed. Ask the dealer for an update. Its advertised mileage is consistent with the latest recorded MOT reading. The seller is Big Motoring World Cannock, based in Cannock.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 October 2026, 14 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £120 from the first recorded £18,640. 4 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
9 October 2026£18,640
10 October 2026£18,630
13 October 2026£18,620
14 October 2026£18,600
16 October 2026£18,510
21 October 2026£18,520

Price and mileage comparison

Estimated market asking price: £18,650. The asking price is £130 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 6,542 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 19,100 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.

MOT

MOT not valid until 28 April 2026. 18,954 miles at the last test.

100 other cars with the same year, trim, gearbox and fuel are for sale from £11,995 to £21,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£11,995120,530 miles
£12,490111,668 miles
£12,995108,000 miles
£12,99957,000 miles
£13,290108,000 miles

These cars have covered 11,900–120,530 miles, compared with 23,955 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos