2021 Audi A3
1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 4dr (108 bhp)
£15,650
Fair price: within 8% of the typical £15,924 for this model, age and mileage, drawing on 6,542 adverts of this make and model.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S LINE
- Version
- 1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 4dr (108 bhp)
- Mileage
- 42,111 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 1.0 L
- Gearbox
- Manual
- Power
- 108 bhp
- Seats
- 5
- CO2
- 128 g/km
- Colour
- White
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
This 2021 Audi A3 S Line is advertised with 42,111 miles on the clock. Our estimated market asking price is £15,924. This car is advertised at £15,650, which is £274 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 49 days ago. Its asking price has since fallen by £250. MOT records show an expiry date of 24 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Select Northampton, based in Northampton.
Stock data from 21 October 2026.
Price history
First seen on 3 September 2026, 49 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £250 from the first recorded £15,900. 1 price reduction recorded, the latest observed on 9 October 2026.
| Date observed | Asking price |
|---|---|
| 3 September 2026 | £15,900 |
| 9 October 2026 | £15,650 |
| 21 October 2026 | £15,650 |
Price and mileage comparison
Estimated market asking price: £15,924. The asking price is £274 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 6,542 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 900 miles lower than typical for a 2021 Audi A3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 24 March 2027. 38,330 miles at the last test.
52 other cars with the same year, trim, gearbox and fuel are for sale from £12,936 to £20,402.
| Asking price | Mileage |
|---|---|
| £12,936 | 83,041 miles |
| £12,995 | 84,920 miles |
| £13,799 | 78,694 miles |
| £14,427 | 52,604 miles |
| £14,495 | 71,881 miles |
These cars have covered 7,596–84,920 miles, compared with 42,111 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
- 2023 Audi A3, 35,650 miles, £14,995, £4,869 under typical, Barnet
- 2024 Audi A3, 26,200 miles, £14,489, £4,349 under typical, Bradford
- 2024 Audi A3, 14,730 miles, £15,499, £4,362 under typical, Halifax
Dealer
Sytner Select Northampton, Northampton. Across the dealer network: 140 branches, 10,343 cars for sale.
Dealer postcode: NN3 9UD.
Dealer opening hours
- Monday
- 09:00-20:00
- Tuesday
- 09:00-20:00
- Wednesday
- 09:00-20:00
- Thursday
- 09:00-20:00
- Friday
- 09:00-20:00
- Saturday
- 09:00-18:30
- Sunday
- 11:00-17:00