2021 Audi A3 1.0 TFSI S Line
Price: £15,600. Fair price: £524 (3%) under the AskCar estimate of £16,124, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.
AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 4dr (108 bhp)
- Year: 2021
- Mileage: 38,054 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.0 litres, 108 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: White
- CO2: 128 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi A3 S Line is advertised with 38,054 miles, approximately 5,500 below the typical mileage for its age. Priced at £15,600, it is advertised £524 below the AskCar estimate of £16,124. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 88 days, and its asking price is down £900. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Invicta Maidstone, based in Maidstone. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £524 (3%) under the AskCar estimate of £16,124.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.
A 2021 Audi A3 with the 1.0 petrol engine is typically advertised at £15,000: the median of the 87 for sale on AskCar, as of 2 November 2026.
Time on sale
The dealer may accept less. This 2021 Audi A3 has been on sale for at least 88 days, and its asking price has been cut by £900. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 403 of the 709 first advertised between 7 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 6 August 2026 at £16,500. Its asking price is now £15,600, £900 less. The latest price cut was seen on 28 October 2026.
Price changes recorded:
- 6 August 2026: £16,500
- 13 August 2026: £16,000
- 27 August 2026: £15,990
- 3 September 2026: £15,850
- 16 October 2026: £15,500
- 24 October 2026: £15,000
- 28 October 2026: £14,800
- 31 October 2026: £15,600
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 July 2027.
It has had 3 MOTs. The latest, on 28 July 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge 3mm 225/40/18; offside front tyre worn close to legal limit/worn on edge 3mm 225/40/18; offside rear tyre worn close to legal limit/worn on edge 3mm 225/40/18; and 7 more.
Mileage at that test: 37,898 miles, which matches the advertised 38,054 miles.
Advertised mileage is about 5,500 miles lower than the median mileage of a 2021 Audi A3 on AskCar.
Similar cars
11 other 2021 Audi A3 S Line 1.0 petrol manual saloons are for sale at UK dealers, from £13,299 to £17,990, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 36,142 miles. Price: £16,499, £899 more than this car. Dealer: Bridgend Motor Group, Ayr in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2021-ebf04dbd6eaa
- 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 35,617 miles. Price: £15,895, £295 more than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2021-f3c4cca44050
- 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 35,588 miles. Price: £16,599, £999 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a3-2021-39d3b30b70a6
- The nearest: 2021 Audi A3 S Line, 1.0 petrol saloon, white, 91 miles from this car. Mileage: 42,111 miles. Price: £14,750, £850 less than this car. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e262a5b8a44a
Browse all Audi A3 cars for sale · 2021 Audi A3 price guide
More like this
- Used Audi A3 S Line prices
- Used Audi A3 for sale under £20,000
- Used manual Audi A3 for sale
- Used petrol Audi A3 for sale
- Used Audi A3 for sale near Maidstone
Photos
29 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.