2021 Audi A3 1.5 TFSI Sport

Overview

• Make: Audi
• Model: A3
• Trim: Sport
• Version: 1.5 TFSI 35 Sport Manual FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2021
• Mileage: 31,317 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 31,317 miles on the clock, this 2021 Audi A3 Sport has done roughly 11,900 fewer miles than a typical 2021 Audi A3. Its asking price of £17,998 is £1,658 above the AskCar estimate of £16,340. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 97 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Arnold Clark Linwood SEAT / Skoda / CUPRA in Glasgow. 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

Above the going rate: £1,658 (10%) over the AskCar estimate of £16,340.

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

The dealer may accept less. This 2021 Audi A3 has been on sale for at least 97 days. About 6 in 10 of 2021 Audi A3 cars are gone from sale within a month of being advertised: 419 of the 741 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 30 July 2026 at £17,998. 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 4 November 2026: valid until 27 July 2027.

It has had 4 MOTs. The latest, on 28 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 31,324 miles, which matches the advertised 31,317 miles.

Advertised mileage is about 11,900 miles lower than the median mileage of a 2021 Audi A3 on AskCar.

Similar cars

3 other 2021 Audi A3 Sport 1.5 petrol manual saloons are for sale at UK dealers, from £14,990 to £17,998, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A3 Sport, 1.5 petrol saloon, grey. Mileage: 33,265 miles. Price: £14,990, £3,008 less than this car. Dealer: Steve Harding Cars in Cirencester. AskCar page: https://askcar.co.uk/car/audi-a3-2021-a69d217ab03f
• 2021 Audi A3 Sport, 1.5 petrol saloon, red. Mileage: 10,418 miles. Price: £17,998, the same price as this car. Dealer: Arnold Clark Kilmarnock Peugeot Jeep Leapmotor in Kilmarnock. AskCar page: https://askcar.co.uk/car/audi-a3-2021-c9c30eb3a4e8
• 2021 Audi A3 Sport, 1.5 petrol saloon, blue. Mileage: 8,266 miles. Price: £17,649, £349 less than this car. Dealer: Motorpoint Newport in Newport. AskCar page: https://askcar.co.uk/car/audi-a3-2021-dfc47af7f218