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

At 17,350 miles, this 2021 Audi A3 S Line has covered about 26,200 fewer miles than other 2021 Audi A3 cars. Priced at £16,499, it is advertised £924 below the AskCar estimate of £17,423. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 158 days ago, the asking price has dropped by £1,800. The recorded MOT expired on 10 October 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. The seller is H.P.L. Motors - Oldham (Greater Manchester), based in Oldham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £924 (5%) under the AskCar estimate of £17,423.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 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 2 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 158 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 2 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

6 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 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 21,721 miles. Price: £16,250, £249 less than this car. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2021-c89bd1ce1f8c
• 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: 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