2021 Audi A3 1.4 TFSIe S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.4 S Line S tronic FWD Euro 6 5dr
• Year: 2021
• Mileage: 69,861 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.4 litres
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 30 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 69,861 miles, around 27,400 more miles than is typical for its age. The AskCar estimate for this car is £15,169. It is priced at £14,699, which is £470 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,620 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. The government's MOT record matches its advertised mileage. It is advertised by S & M Prestige Motors in Ingatestone. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £470 (3%) under the AskCar estimate of £15,169.

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 6,620 priced Audi A3 adverts across different ages and specifications, as of 8 November 2026.

A 2021 Audi A3 with the 1.4 plug-in hybrid engine is typically advertised at £16,000: the median of the 79 for sale on AskCar, as of 8 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: 440 of the 782 first advertised between 8 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £14,699. 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 8 November 2026: valid until 29 March 2027.

It has had 4 MOTs. The latest, on 30 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,670 miles, which matches the advertised 69,861 miles.

Advertised mileage is about 27,400 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 £11,400 to £21,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 72,000 miles. Price: £13,990, £709 less than this car. Dealer: Lawson Motor Company in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2021-5c812e2be478
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 72,284 miles. Price: £14,899, £200 more than this car. Dealer: cinch in Harrogate. AskCar page: https://askcar.co.uk/car/audi-a3-2021-18db6b04599a
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, black. Mileage: 66,689 miles. Price: £15,498, £799 more than this car. Dealer: Arnold Clark Wigan Motorstore in Wigan. AskCar page: https://askcar.co.uk/car/audi-a3-2021-574c275d114b

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue, 16 miles from this car. Mileage: 91,000 miles. Price: £12,700, £1,999 less than this car. Dealer: Browns Car Company in Maldon. AskCar page: https://askcar.co.uk/car/audi-a3-2021-907a9251543d