2021 Audi A3 1.4 TFSIe S Line

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: 110,268 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 110,268 miles, this 2021 Audi A3 S Line has covered about 66,800 more miles than other 2021 Audi A3 cars. Its asking price of £12,450 is £1,401 above the AskCar estimate of £11,049. To work out the AskCar estimate, we analyse UK dealer adverts for 6,702 Audi A3 cars across different ages and specifications. This car was first seen in our listings data today. Its advertised mileage matches the government's MOT record. You can find this car at East Midlands Vans in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,401 (12%) over the AskCar estimate of £11,049.

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 6,702 priced Audi A3 adverts across different ages and specifications, as of 11 November 2026.

A 2021 Audi A3 with the 1.4 plug-in hybrid engine is typically advertised at £15,900: the median of the 81 for sale on AskCar, as of 11 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: 465 of the 821 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £12,450. 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 11 November 2026: valid until 7 May 2027.

It has had 3 MOTs. The latest, on 8 May 2026, passed.

Advisories at the latest test: rear shock absorbers has light misting of oil both sides.

Mileage at that test: 105,451 miles, which matches the advertised 110,268 miles.

Advertised mileage is about 66,800 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 11 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white. Mileage: 110,234 miles. Price: £11,590, £860 less than this car. Dealer: Days Motorpark Cardiff in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2021-f841c8113916
• 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, grey. Mileage: 110,158 miles. Price: £11,699, £751 less 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, £1,050 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2021-13ba22faa758

• The nearest: 2021 Audi A3 S Line, 1.4 plug-in hybrid hatchback, white, 13 miles from this car. Mileage: 39,708 miles. Price: £16,150, £3,700 more than this car. Dealer: Nuneaton Car Sales in Nuneaton. AskCar page: https://askcar.co.uk/car/audi-a3-2021-cf03b96c169e