2021 Audi A3
1.0 30 TFSI S Line S tronic FWD Euro 6 4dr (108 bhp)
£18,698
Fair price: within 8% of the typical £18,769 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 30 TFSI S Line S tronic FWD Euro 6 4dr (108 bhp)
- Mileage
- 27,468 miles
- Year
- 2021
- Fuel type
- Petrol Hybrid
- Body type
- Saloon
- Engine
- 1.0 L
- Gearbox
- Automatic
- Power
- 108 bhp
- Seats
- 5
- CO2
- 120 g/km
- Colour
- Black
- Doors
- 4
- 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 27,468 miles, approximately 15,500 below the typical mileage for its age. At £18,698, it is advertised £71 below our estimated market asking price of £18,769. Our estimate draws on 6,439 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £300 lower than when we first recorded the advert 19 days ago. Its recorded MOT is valid until 8 September 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Arnold Clark Glasgow Kia / OMODA / JAECOO, based in Glasgow.
Stock data from 23 October 2026.
Price history
First seen on 6 October 2026, 19 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £300 from the first recorded £18,998. 1 price reduction recorded, the latest observed on 23 October 2026.
| Date observed | Asking price |
|---|---|
| 6 October 2026 | £18,998 |
| 23 October 2026 | £18,698 |
Price and mileage comparison
Estimated market asking price: £18,769. The asking price is £71 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 15,500 miles lower than typical for a 2021 Audi A3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 8 September 2027. 27,468 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.
| Asking price | Mileage |
|---|---|
| £11,995 | 120,530 miles |
| £12,490 | 111,668 miles |
| £12,995 | 108,000 miles |
| £12,999 | 57,000 miles |
| £13,290 | 108,000 miles |
These cars have covered 11,900–120,530 miles, compared with 27,468 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
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