2021 Audi A3

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

£16,594

Fair price: within 8% of the typical £17,092 for this model, age and mileage, drawing on 6,532 adverts of this make and model.

Overview

Make
Audi
Model
A3
Trim
S LINE
Version
1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
Mileage
39,260 miles
Year
2021
Fuel type
Petrol
Body type
Hatchback
Engine
1.5 L
Gearbox
Manual
Power
148 bhp
Seats
5
CO2
136 g/km
Colour
Red
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
TFSI
Emissions standard
Euro 6

About this car

This 2021 Audi A3 S Line is advertised with 39,260 miles, approximately 3,700 below the typical mileage for its age. Its asking price of £16,594 is £498 below our estimate of £17,092. Our estimate draws on 6,532 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 74 days ago. Its asking price has since fallen by £1,605. It may give you a starting point for a conversation about price. MOT records show an expiry date of 27 June 2027, and the latest recorded mileage is consistent with the advert. You can find this car at cinch in Bexley.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 8 August 2026, 74 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,605 from the first recorded £18,199. 9 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
8 August 2026£18,199
9 August 2026£18,199
21 August 2026£17,999
28 August 2026£18,099
4 September 2026£17,999
15 September 2026£17,694
24 September 2026£17,599
4 October 2026£17,094
9 October 2026£16,994
14 October 2026£16,894
18 October 2026£16,694
20 October 2026£16,594

Price and mileage comparison

Estimated market asking price: £17,092. The asking price is £498 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 6,532 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,700 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 27 June 2027. 38,574 miles at the last test.

53 other cars with the same year, trim, gearbox and fuel are for sale from £12,936 to £20,402.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£12,93683,041 miles
£12,99584,920 miles
£13,79978,694 miles
£14,42752,604 miles
£14,49571,881 miles

These cars have covered 7,591–84,920 miles, compared with 39,260 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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Dealer

cinch, Bexley. Across the dealer network: 134 branches, 10,656 cars for sale.

Dealer postcode: DA5 1BZ.

Dealer opening hours

Monday
08:00-18:00
Tuesday
08:00-18:00
Wednesday
08:00-18:00
Thursday
08:00-18:00
Friday
08:00-18:00
Saturday
08:30-13:00
Sunday
Closed

Vehicle photos