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) 4dr (108 bhp)
• Year: 2021
• Mileage: 45,455 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.0 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line has covered 45,455 miles. Priced at £16,998, it is advertised £1,502 above the AskCar estimate of £15,496. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 3 days ago. The government's MOT record matches its advertised mileage. You can find this car at Arnold Clark Newcastle OMODA / JAECOO in Newcastle Upon Tyne. 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

Above the going rate: £1,502 (9%) over the AskCar estimate of £15,496.

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

AskCar first saw this 2021 Audi A3 advertised 3 days ago. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 403 of the 709 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £16,998. 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 2 November 2026: valid until 12 August 2027.

It has had 5 MOTs. The latest, on 5 August 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside rear tyre slightly damaged.

Mileage at that test: 43,593 miles, which matches the advertised 45,455 miles.

Advertised mileage is about 1,900 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

11 other 2021 Audi A3 S Line 1.0 petrol manual saloons are for sale at UK dealers, from £13,299 to £17,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 42,111 miles. Price: £14,750, £2,248 less than this car. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e262a5b8a44a
• 2021 Audi A3 S Line, 1.0 petrol saloon, white. Mileage: 38,054 miles. Price: £15,600, £1,398 less than this car. Dealer: Invicta Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/audi-a3-2021-e5b9c03e3092
• 2021 Audi A3 S Line, 1.0 petrol saloon, grey. Mileage: 53,000 miles. Price: £15,290, £1,708 less than this car. Dealer: Auto Unit in Newport. AskCar page: https://askcar.co.uk/car/audi-a3-2021-d9c459b21f3c

• The nearest: 2021 Audi A3 S Line, 1.0 petrol saloon, white, 104 miles from this car. Mileage: 35,617 miles. Price: £15,895, £1,103 less than this car. Dealer: Motor Range Manchester in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2021-f3c4cca44050