2021 Audi A3 1.4 TFSIe S Line
Price: £11,590. Fair price: £594 (5%) over the AskCar estimate of £10,996, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,729 priced Audi A3 adverts on AskCar as of 6 November 2026.
AskCar lists 6,900 used Audi A3 from 2,320 UK dealerships, as of 6 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: 110,234 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: White
- CO2: 29 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi A3 S Line has covered 110,234 miles, around 67,900 more miles than is typical for its age. Its asking price of £11,590 is £594 above the AskCar estimate of £10,996. The AskCar estimate uses UK dealer asking prices, including 6,729 Audi A3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. The recorded MOT expired on 30 April 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. The seller is Days Motorpark Cardiff, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £594 (5%) over the AskCar estimate of £10,996.
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 6,729 priced Audi A3 adverts across different ages and specifications, as of 6 November 2026.
A 2021 Audi A3 with the 1.4 plug-in hybrid engine is typically advertised at £16,000: the median of the 82 for sale on AskCar, as of 6 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: 433 of the 772 first advertised between 7 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 6 November 2026 at £11,590. 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 6 November 2026: the latest record we hold ran out on 30 April 2026; ask the dealer for the current MOT.
It has had 2 MOTs. The latest, on 1 May 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 101,977 miles, which matches the advertised 110,234 miles.
Advertised mileage is about 67,900 miles higher than the median mileage of a 2021 Audi A3 on AskCar.
Similar cars
45 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 6 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 110,158 miles. Price: £11,699, £109 more than this car. Dealer: Automania Specialist Cars in West Bromwich. AskCar page: https://askcar.co.uk/car/audi-a3-2021-1e72a8dbddea
- 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue. Mileage: 111,314 miles. Price: £11,400, £190 less than 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: £11,581, the same price as this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-a3-2021-05918e73ba53
- The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, blue, 28 miles from this car. Mileage: 21,341 miles. Price: £17,693, £6,103 more than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e48aecdc86db
Browse all Audi A3 cars for sale · 2021 Audi A3 price guide
More like this
- Used Audi A3 S Line prices
- Used Audi A3 for sale under £15,000
- Used automatic Audi A3 for sale
- Used plug-in hybrid Audi A3 for sale
- Used Audi A3 for sale near Cardiff
Photos
45 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.