2021 Audi A3
1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
£18,150
Fair price: within 8% of the typical £17,757 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) 4dr (148 bhp)
- Mileage
- 50,342 miles
- Year
- 2021
- Fuel type
- Petrol Hybrid
- Body type
- Saloon
- Engine
- 1.5 L
- Gearbox
- Automatic
- Power
- 148 bhp
- Seats
- 5
- CO2
- 131 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 has covered 50,342 miles, around 6,600 more than typical for its age. Our estimated market asking price is £17,757. This car is advertised at £18,150, which is £393 above that figure. Our estimate draws on 6,520 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. The seller is Group 1 Automotive Southend Audi, based in Southend.
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 | £18,150 |
Price and mileage comparison
Estimated market asking price: £17,757. The asking price is £393 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 6,520 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 6,600 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 50,342 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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