2021 Audi A3

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

£17,490

Fair price: within 8% of the typical £17,475 for this model, age and mileage, drawing on 6,439 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
35,721 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

At 35,721 miles, this 2021 Audi A3 S Line has covered about 7,300 fewer miles than other 2021 Audi A3 cars. Our estimated market asking price is £17,475. This car is advertised at £17,490, which is £15 above that figure. Our estimate draws on 6,439 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 10 days ago, the asking price has dropped by £300. Its MOT is recorded as valid until 25 May 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Winchmore Hill Car Sales in Waltham Abbey.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 October 2026, 10 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £300 from the first recorded £17,790. 1 price reduction recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
16 October 2026£17,790
20 October 2026£17,490
23 October 2026£17,490

Price and mileage comparison

Estimated market asking price: £17,475. The asking price is £15 above 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 6,439 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 7,300 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 25 May 2027. 34,131 miles at the last test.

104 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 35,721 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

More like this

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