2021 Audi A3 1.5 TFSI

Price: £19,990. Fair price: £535 (2%) under the AskCar estimate of £20,525, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.

AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Version: 1.5 35 TFSI S tronic FWD Euro 6 4dr (148 bhp)
  • Year: 2021
  • Mileage: 44,000 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 133 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A3 has covered 44,000 miles. The dealer is asking £19,990, which is £535 below the AskCar estimate of £20,525. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 30 days ago. Its advertised mileage matches the government's MOT record. It is for sale at LVMC in Ongar. 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: £535 (2%) under the AskCar estimate of £20,525.

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 1.5 petrol engine is typically advertised at £18,000: the median of the 191 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Audi A3 has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £19,990. 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 11 April 2027.

It has had 3 MOTs. The latest, on 12 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,647 miles, which matches the advertised 44,000 miles.

Advertised mileage is about 400 miles higher than the median mileage of a 2021 Audi A3 on AskCar.

Browse all Audi A3 cars for sale · 2021 Audi A3 price guide

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Photos

95 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.