2021 Audi A3
1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
£17,790
Fair price: within 8% of the typical £17,930 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
- 31,300 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
- Blue
- 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 31,300 miles, approximately 11,700 below the typical mileage for its age. The dealer is asking £17,790, which is £140 below our market estimate of £17,930. We use UK dealer asking prices, including 6,532 Audi A3 listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 19 days ago. Its recorded MOT is valid until 22 March 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Williams Select, based in Manchester.
Stock data from 20 October 2026.
Price history
First seen on 2 October 2026, 19 days ago. Advert duration calculated on 21 October 2026.
| Date observed | Asking price |
|---|---|
| 2 October 2026 | £17,790 |
| 20 October 2026 | £17,790 |
Price and mileage comparison
Estimated market asking price: £17,930. The asking price is £140 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 11,700 miles lower than typical for a 2021 Audi A3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 22 March 2027. 29,461 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.
| 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 31,300 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
Similar cars for less
- 2024 Audi A3, 26,200 miles, £14,489, £4,455 under typical, Bradford
- 2023 Audi A3, 7,500 miles, £16,989, £5,148 under typical, Keighley
- 2024 Audi A3, 14,730 miles, £15,499, £4,471 under typical, Halifax
Dealer
Williams Select, Manchester. Across the dealer network: 14 branches, 1,307 cars for sale.
Dealer postcode: M16 9EZ.
