2021 Audi A3 1.5 TFSI

Overview

• Make: Audi
• Model: A3
• Version: 1.5 TFSI 35 S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 36,569 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: White
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 has covered 36,569 miles, around 6,700 fewer miles than is typical for its age. The dealer is asking £20,999, which is £474 below the AskCar estimate of £21,473. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. The asking price is now £300 lower than when we first recorded the advert 48 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Sandles Cars in Kings Lynn. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £474 (2%) under the AskCar estimate of £21,473.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Audi A3 with the 1.5 petrol engine is typically advertised at £18,000: the median of the 194 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 17 September 2026 at £21,299. Its asking price is now £20,999, £300 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 17 September 2026: £21,299
• 21 October 2026: £20,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 3 June 2027.

It has had 4 MOTs. The latest, on 23 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,697 miles, which matches the advertised 36,569 miles.

Advertised mileage is about 6,700 miles lower than the median mileage of a 2021 Audi A3 on AskCar.