2021 Audi A3
1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
£17,699
Fair price: within 8% of the typical £18,024 for this model, age and mileage, drawing on 6,520 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
- 44,821 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
- Black
- 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
The advertised mileage for this 2021 Audi A3 S Line is 44,821 miles. Our estimated market asking price is £18,024. This car is advertised at £17,699, which is £325 below that figure. We use UK dealer asking prices, including 6,520 Audi A3 listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 1 day ago. It is for sale at Carherts in Aylesbury.
Stock data from 27 October 2026.
Price history
First seen on 27 October 2026, 1 days ago. Advert duration calculated on 28 October 2026.
| Date observed | Asking price |
|---|---|
| 27 October 2026 | £17,699 |
Price and mileage comparison
Estimated market asking price: £18,024. The asking price is £325 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 6,520 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 1,100 miles higher than typical for a 2021 Audi A3.
104 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 44,821 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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