2021 Audi A3 1.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
• Year: 2021
• Mileage: 17,350 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 132 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line is advertised with 17,350 miles, approximately 26,200 below the typical mileage for its age. Its asking price of £16,499 is £1,040 below the AskCar estimate of £17,539. The AskCar estimate draws on 6,629 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 166 days ago, and its asking price has since fallen by £1,800. Our latest MOT record expired on 10 October 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is HPL Preston, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,040 (5%) under the AskCar estimate of £17,539.

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 6,629 priced Audi A3 adverts across different ages and specifications, as of 10 November 2026.

A 2021 Audi A3 with the 1.0 petrol engine is typically advertised at £15,000: the median of the 87 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 166 days.

Price history

AskCar first saw this advert on 28 May 2026 at £18,299. Its asking price is now £16,499, £1,800 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 28 May 2026: £18,299
• 3 June 2026: £17,999
• 8 July 2026: £17,599
• 6 August 2026: £17,199
• 7 October 2026: £16,999
• 28 October 2026: £16,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: the latest record we hold ran out on 10 October 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 11 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 16,278 miles, which matches the advertised 17,350 miles.

Advertised mileage is about 26,200 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

8 other 2021 Audi A3 S Line 1.0 petrol manual hatchbacks are for sale at UK dealers, from £14,200 to £16,995, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 32,500 miles. Price: £16,495, the same price as this car. Dealer: Leeds Motor Company in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2021-0855f216f468
• 2021 Audi A3 S Line, 1.0 petrol hatchback, blue. Mileage: 33,032 miles. Price: £16,995, £496 more than this car. Dealer: Auto Station in Elgin. AskCar page: https://askcar.co.uk/car/audi-a3-2021-8e516fb74b1d
• 2021 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 33,824 miles. Price: £16,699, £200 more than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/audi-a3-2021-761e1a2d7a5f

• The nearest: 2021 Audi A3 S Line, 1.0 petrol hatchback, white, 28 miles from this car. Mileage: 36,749 miles. Price: £15,199, £1,300 less than this car. Dealer: H.P.L. Motors - Oldham (Greater Manchester) in Oldham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-f989444ffadf