2021 Audi A3

1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)

£18,795

Fair price: within 8% of the typical £19,472 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) 4dr (148 bhp)
Mileage
32,077 miles
Year
2021
Fuel type
Petrol Hybrid
Body type
Saloon
Engine
1.5 L
Gearbox
Automatic
Power
148 bhp
Seats
5
CO2
131 g/km
Colour
White
Doors
4
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 32,077 miles, approximately 10,800 below the typical mileage for its age. Our estimated market asking price is £19,472. This car is advertised at £18,795, which is £677 below that figure. Our estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 3 days ago. MOT records show an expiry date of 24 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Car Brothers NI, based in Newtownabbey.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 October 2026, 3 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
20 October 2026£18,795
22 October 2026£18,795

Price and mileage comparison

Estimated market asking price: £19,472. The asking price is £677 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 10,800 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 24 April 2027. 26,118 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 32,077 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

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Vehicle photos

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