2021 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 38,000 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 S Line is advertised with 38,000 miles, approximately 4,600 below the typical mileage for its age. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is David Hayton Autostore Penrith, based in Penrith. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

A 2021 Audi A3 with the 1.5 petrol engine is typically advertised at £18,000: the median of the 200 for sale on AskCar, as of 5 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: 426 of the 756 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 3 August 2027.

It has had 4 MOTs. The latest, on 4 August 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 37,559 miles, which matches the advertised 38,000 miles.

Advertised mileage is about 4,600 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

56 other 2021 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £11,990 to £21,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 36,386 miles. Dealer: Eastern Western Motor Group Car Deal Warehouse Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/audi-a3-2021-02d0627ca7cb
• 2021 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 36,385 miles. Dealer: Big Motoring World Camberley in Camberley. AskCar page: https://askcar.co.uk/car/audi-a3-2021-34419e266718
• 2021 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 36,118 miles. Dealer: Motorpoint Derby in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2021-255bdf7c947d

• The nearest: 2021 Audi A3 S Line, 1.5 petrol hatchback, red, 56 miles from this car. Mileage: 28,344 miles. Dealer: Lookers Audi Tyneside in Tynemouth. AskCar page: https://askcar.co.uk/car/audi-a3-2021-ce1fdd996dd2