2021 Audi A3 1.5 TFSI Technik
Price: £13,990. Good value: £3,377 (19%) under the AskCar estimate of £17,367, 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: Technik
- Version: 1.5 TFSI 35 Technik S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Year: 2021
- Mileage: 35,397 miles
- Fuel: Petrol, mild hybrid
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 127 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi A3 Technik is advertised with 35,397 miles, approximately 8,200 below the typical mileage for its age. Its asking price of £13,990 is £3,377 below the AskCar estimate of £17,367. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 38 days ago. Its asking price has since fallen by £200. The government's MOT record matches its advertised mileage. You can find this car at Xenon Automotive in Welwyn Garden City. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £3,377 (19%) under the AskCar estimate of £17,367.
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 1.5 petrol engine is typically advertised at £18,000: the median of the 191 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2021 Audi A3 has been on sale for at least 38 days.
Price history
AskCar first saw this advert on 25 September 2026 at £14,190. Its asking price is now £13,990, £200 less. The latest price cut was seen on 7 October 2026.
Price changes recorded:
- 25 September 2026: £14,190
- 7 October 2026: £13,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 3 March 2027.
It has had 3 MOTs. The latest, on 4 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 27,846 miles, which matches the advertised 35,397 miles.
Advertised mileage is about 8,200 miles lower than the median mileage of a 2021 Audi A3 on AskCar.
Similar cars
6 other 2021 Audi A3 Technik 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £11,989 to £18,230, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A3 Technik, 1.5 petrol hatchback, blue. Mileage: 30,000 miles. Price: £16,995, £3,005 more than this car. Dealer: TSP Cars and Commercial in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2021-58cc94f49ab8
- 2021 Audi A3 Technik, 1.5 petrol hatchback, red. Mileage: 45,880 miles. Price: £15,999, £2,009 more than this car. Dealer: Anthony Betts Hemel Hempstead in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/audi-a3-2021-63332274d5f7
- 2021 Audi A3 Technik, 1.5 petrol hatchback, black. Mileage: 22,636 miles. Price: £18,230, £4,240 more than this car. Dealer: LSH Auto Mercedes-Benz of Stockport in Stockport. AskCar page: https://askcar.co.uk/car/audi-a3-2021-b62259bda2cc
Browse all Audi A3 cars for sale · 2021 Audi A3 price guide
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Photos
75 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.