2021 Audi A3
1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
£17,698
Fair price: within 8% of the typical £17,759 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
- 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Mileage
- 31,127 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
- Black
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
At 31,127 miles, this 2021 Audi A3 S Line has covered about 11,900 fewer miles than other 2021 Audi A3 cars. Its asking price of £17,698 is £61 below our estimate of £17,759. The estimate uses 6,439 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 23 days ago, the asking price has dropped by £300. MOT records show an expiry date of 6 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Arnold Clark Ayr BYD, based in AYR.
Stock data from 23 October 2026.
Price history
First seen on 2 October 2026, 23 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £300 from the first recorded £17,998. 1 price reduction recorded, the latest observed on 20 October 2026.
| Date observed | Asking price |
|---|---|
| 2 October 2026 | £17,998 |
| 20 October 2026 | £17,698 |
| 23 October 2026 | £17,698 |
Price and mileage comparison
Estimated market asking price: £17,759. The asking price is £61 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 6,439 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 11,900 miles lower than typical for a 2021 Audi A3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 6 July 2027. 30,708 miles at the last test.
49 other cars with the same year, trim, gearbox and fuel are for sale from £12,995 to £20,402.
| Asking price | Mileage |
|---|---|
| £12,995 | 84,920 miles |
| £13,799 | 78,694 miles |
| £14,200 | 52,604 miles |
| £14,495 | 71,881 miles |
| £14,788 | 55,392 miles |
These cars have covered 7,596–84,920 miles, compared with 31,127 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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How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.
Vehicle photos
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