2021 Audi A3 1.4 TFSIe S Line

Price: £19,998. Fair price: £270 (1%) over the AskCar estimate of £19,728, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,763 priced Audi A3 adverts on AskCar as of 14 November 2026.

AskCar lists 6,922 used Audi A3 from 2,322 UK dealerships, as of 14 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line
  • Version: 1.4 40 TFSI e S Line S tronic FWD Euro 6 5dr (201 bhp)
  • Year: 2021
  • Mileage: 11,822 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.4 litres, 201 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 26 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 11,822 miles on the clock, this 2021 Audi A3 S Line has done roughly 31,800 fewer miles than a typical 2021 Audi A3. Its asking price of £19,998 is £270 above the AskCar estimate of £19,728. The AskCar estimate uses UK dealer asking prices, including 6,763 Audi A3 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Warrington Motorstore / Vanstore (Westbrook), based in Warrington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Arnold Clark Warrington Motorstore / Vanstore (Westbrook) is rated 4.7 out of 5 on Google.

Price

Fair price: £270 (1%) over the AskCar estimate of £19,728.

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 6,763 priced Audi A3 adverts across different ages and specifications, as of 14 November 2026.

A 2021 Audi A3 with the 1.4 plug-in hybrid engine is typically advertised at £15,900: the median of the 81 for sale on AskCar, as of 14 November 2026.

Time on sale

AskCar first saw this 2021 Audi A3 advertised today. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 470 of the 834 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 14 November 2026 at £19,998. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 14 November 2026: valid until 5 July 2027.

It has had 4 MOTs. The latest, on 12 June 2026, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords; offside front tyre has a cut but not deep enough to reach the ply or cords; offside rear tyre has a cut but not deep enough to reach the ply or cords; and 1 more.

Mileage at that test: 11,078 miles, which matches the advertised 11,822 miles.

Advertised mileage is about 31,800 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

42 other 2021 Audi A3 S Line 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £11,400 to £21,995, as of 14 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white. Mileage: 19,757 miles. Price: £17,515, £2,483 less than this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e2ffd8a67985
  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white. Mileage: 21,000 miles. Price: £20,990, £992 more than this car. Dealer: Car Sales in New Malden. AskCar page: https://askcar.co.uk/car/audi-a3-2021-8254f3fd95df
  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue. Mileage: 21,341 miles. Price: £17,363, £2,635 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e48aecdc86db
  • The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue, 6 miles from this car. Mileage: 44,209 miles. Price: £16,995, £3,003 less than this car. Dealer: NEO Motor Company in Warrington. AskCar page: https://askcar.co.uk/car/audi-a3-2021-07f3c2be3e11

Browse all Audi A3 cars for sale · 2021 Audi A3 price guide

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Photos

20 photos of this car are on its AskCar page.

As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.