2021 Audi A3

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

£18,995

Fair price: within 8% of the typical £19,244 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
32,600 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
Blue
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 32,600 miles, approximately 10,400 below the typical mileage for its age. Its asking price of £18,995 is £249 below our estimate of £19,244. The estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 129 days ago, the asking price has dropped by £500. The time on sale and price change could be useful context when negotiating. Its MOT is recorded as valid until 28 April 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at ZG Prestige in Bolton.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 June 2026, 129 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £500 from the first recorded £19,495. 2 price reductions recorded, the latest observed on 28 September 2026.

Recorded asking prices
Date observedAsking price
17 June 2026£19,495
10 July 2026£19,495
15 September 2026£19,250
28 September 2026£18,995
21 October 2026£18,995

Price and mileage comparison

Estimated market asking price: £19,244. The asking price is £249 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 10,400 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 28 April 2027. 32,030 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 32,600 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