2021 Audi A3

1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)

£18,998

Fair price: within 8% of the typical £19,527 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
1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
Mileage
29,555 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
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 is advertised with 29,555 miles, approximately 13,300 below the typical mileage for its age. Its asking price of £18,998 is £529 below our estimate of £19,527. We use UK dealer asking prices, including 6,542 Audi A3 listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 42 days ago. MOT records show an expiry date of 5 June 2027, and the latest recorded mileage is consistent with the advert. The seller is Arnold Clark Aberdeen Hyundai / OMODA / JAECOO, based in Aberdeen.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 11 September 2026, 42 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
11 September 2026£18,998
19 September 2026£19,298
22 September 2026£19,498
20 October 2026£18,998
22 October 2026£18,998

Price and mileage comparison

Estimated market asking price: £19,527. The asking price is £529 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 13,300 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 5 June 2027. 28,036 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 29,555 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