2021 Audi A3
1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
£20,750
Fair price: within 8% of the typical £19,248 for this model, age and mileage, drawing on 6,419 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
- 31,894 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
- 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
With 31,894 miles on the clock, this 2021 Audi A3 S Line has done roughly 11,700 fewer miles than a typical 2021 Audi A3. Our estimated market asking price is £19,248. This car is advertised at £20,750, which is £1,502 above that figure. We use UK dealer asking prices, including 6,419 Audi A3 listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 3 days ago. Its recorded MOT is valid until 18 May 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Sytner Group Leicester Audi, based in Leicester.
Stock data from 26 October 2026.
Price history
First seen on 24 October 2026, 3 days ago. Advert duration calculated on 27 October 2026.
| Date observed | Asking price |
|---|---|
| 24 October 2026 | £20,750 |
| 26 October 2026 | £20,750 |
Price and mileage comparison
Estimated market asking price: £19,248. The asking price is £1,502 above 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 6,419 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 11,700 miles lower than typical for a 2021 Audi A3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 18 May 2027. 29,448 miles at the last test.
100 other cars with the same year, trim, gearbox and fuel are for sale from £11,990 to £21,995.
| Asking price | Mileage |
|---|---|
| £11,990 | 111,668 miles |
| £11,995 | 120,530 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 31,894 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
More like this
How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.
AskCar lists 579,238 cars from 12,980 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.