2021 Audi A3 1.4 TFSIe S Line

Price: £15,998. Fair price: £327 (2%) over the AskCar estimate of £15,671, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,645 priced Audi A3 adverts on AskCar as of 5 November 2026.

AskCar lists 6,826 used Audi A3 from 2,317 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line
  • Version: 1.4 13kWh TFSIe 40 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (201 bhp)
  • Year: 2021
  • Mileage: 59,727 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: 29 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line is advertised with 59,727 miles, approximately 17,100 above the typical mileage for its age. Its asking price of £15,998 is £327 above the AskCar estimate of £15,671. The AskCar estimate uses UK dealer asking prices, including 6,645 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 2 days ago. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £327 (2%) over the AskCar estimate of £15,671.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2021 Audi A3 with the 1.4 plug-in hybrid engine is typically advertised at £16,000: the median of the 80 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2021 Audi A3 advertised 2 days ago. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 426 of the 756 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £15,998. 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 5 November 2026: valid until 4 July 2027.

It has had 3 MOTs. The latest, on 12 June 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 59,374 miles, which matches the advertised 59,727 miles.

Advertised mileage is about 17,100 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

43 other 2021 Audi A3 S Line 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £11,581 to £21,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, red. Mileage: 59,972 miles. Price: £14,998, £1,000 less than this car. Dealer: CarSupermarket.com Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-561a65e24122
  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 60,144 miles. Price: £14,182, £1,816 less than this car. Dealer: Greenhous Telford in Telford. AskCar page: https://askcar.co.uk/car/audi-a3-2021-43c91c032a95
  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 58,986 miles. Price: £21,995, £5,997 more than this car. Dealer: Enkae Prestige Motors in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2021-987b6c3451b5
  • The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue, under a mile from this car. Mileage: 50,117 miles. Price: £16,998, £1,000 more than this car. Dealer: Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2021-df9cf06b8b09

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 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.