2021 Audi A3 1.4 TFSIe S Line

Price: £16,995. Good value: £1,572 (8%) under the AskCar estimate of £18,567, 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: 27,470 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

At 27,470 miles, this 2021 Audi A3 S Line has covered about 15,200 fewer miles than other 2021 Audi A3 cars. Priced at £16,995, it is advertised £1,572 below the AskCar estimate of £18,567. The AskCar estimate uses 6,645 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is V12 Sports & Classics Ltd - Stoke-On-Trent, based in Stoke-on-Trent. 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

Good value: £1,572 (8%) under the AskCar estimate of £18,567.

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 1 day 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 4 November 2026 at £16,995. 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 2 November 2027.

It has had 4 MOTs. The latest, on 3 November 2026, passed.

Advisories at the latest test: tyre worn close to legal limit/worn on edge both fronts on 4 mm.

Mileage at that test: 27,450 miles, which matches the advertised 27,470 miles.

Advertised mileage is about 15,200 miles lower 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, grey. Mileage: 27,471 miles. Price: £18,195, £1,200 more than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2021-05a4f7e60e48
  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue. Mileage: 26,800 miles. Price: £18,255, £1,260 more than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2021-ae1ff5c23bc1
  • 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white. Mileage: 28,832 miles. Price: £19,499, £2,504 more than this car. Dealer: Hawco Group in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a3-2021-bcc22a4d6b55
  • The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black, 14 miles from this car. Mileage: 72,000 miles. Price: £13,990, £3,005 less than this car. Dealer: Lawson Motor Company in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2021-5c812e2be478

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

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Photos

31 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.