2021 Audi A3 1.4 TFSIe S Line

Price: £11,699. Fair price: £595 (5%) over the AskCar estimate of £11,104, 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: 1.4 13kWh TFSIe 40 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (201 bhp)
  • Year: 2021
  • Mileage: 110,158 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

With 110,158 miles on the clock, this 2021 Audi A3 S Line has done roughly 66,600 more miles than a typical 2021 Audi A3. Priced at £11,699, it is advertised £595 above the AskCar estimate of £11,104. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 26 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at Automania Specialist Cars in West Bromwich. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £595 (5%) over the AskCar estimate of £11,104.

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 1.4 plug-in hybrid engine is typically advertised at £15,900: the median of the 77 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 7 October 2026 at £12,199. Its asking price is now £11,699, £500 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

  • 7 October 2026: £12,199
  • 22 October 2026: £11,999
  • 24 October 2026: £11,799
  • 1 November 2026: £11,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 4 August 2027.

It has had 4 MOTs. The latest, on 5 August 2026, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; rear brake disc worn, pitted or scored, but not seriously weakened; nearside front shock absorbers has light misting of oil; and 1 more.

Mileage at that test: 110,061 miles, which matches the advertised 110,158 miles.

Advertised mileage is about 66,600 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

41 other 2021 Audi A3 S Line 1.4 plug-in hybrid automatic hatchbacks are for sale at UK dealers, from £11,600 to £20,990, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue. Mileage: 111,314 miles. Price: £11,700, the same price as this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2021-13ba22faa758
  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white. Mileage: 99,572 miles. Price: £11,600, £99 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-a3-2021-05918e73ba53
  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue. Mileage: 91,000 miles. Price: £12,700, £1,001 more than this car. Dealer: Browns Car Company in Maldon. AskCar page: https://askcar.co.uk/car/audi-a3-2021-907a9251543d
  • The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black, 23 miles from this car. Mileage: 60,144 miles. Price: £14,182, £2,483 more than this car. Dealer: Greenhous Telford in Telford. AskCar page: https://askcar.co.uk/car/audi-a3-2021-43c91c032a95

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

More like this

Photos

28 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.