2021 Audi A3

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

£17,799

Fair price: within 8% of the typical £17,868 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
1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
Mileage
31,955 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
Grey
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 31,955 miles, approximately 11,000 below the typical mileage for its age. At £17,799, it is advertised £69 below our estimated market asking price of £17,868. Our estimate draws on 6,532 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 76 days ago, and its asking price has since fallen by £200. That history is worth bearing in mind when speaking to the dealer. Its MOT is recorded as valid until 31 July 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at cinch Corby in North Northamptonshire.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 6 August 2026, 76 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £200 from the first recorded £17,999. 3 price reductions recorded, the latest observed on 19 September 2026.

Recorded asking prices
Date observedAsking price
6 August 2026£17,999
8 August 2026£17,999
14 August 2026£18,178
29 August 2026£18,177
4 September 2026£17,999
19 September 2026£17,798
23 September 2026£17,799
20 October 2026£17,799

Price and mileage comparison

Estimated market asking price: £17,868. The asking price is £69 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 11,000 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 31 July 2027. 31,953 miles at the last test.

98 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 31,955 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 Corby, North Northamptonshire. Across the dealer network: 134 branches, 10,656 cars for sale.

Dealer postcode: NN18 8AA.

Dealer opening hours

Monday
00:00-24:00
Tuesday
00:00-24:00
Wednesday
00:00-24:00
Thursday
00:00-24:00
Friday
00:00-24:00
Saturday
00:00-24:00
Sunday
00:00-24:00

Vehicle photos