2020 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) 4dr (148 bhp)
• Year: 2020
• Mileage: 54,262 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: 131 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 54,262 miles, this 2020 Audi A3 S Line has covered about 4,200 more miles than other 2020 Audi A3 cars. Priced at £16,700, it is advertised £280 below the AskCar estimate of £16,980. 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 99 days, and its asking price is down £294. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Pentagon Lincoln Used Car Centre, based in Lincoln. 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: £280 (1%) under the AskCar estimate of £16,980.

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 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 142 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2020 Audi A3 has been on sale for at least 99 days, and its asking price has been cut by £294. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 248 of the 473 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 28 July 2026 at £16,994. Its asking price is now £16,700, £294 less. The latest price cut was seen on 21 August 2026.

Price changes recorded:

• 29 July 2026: £16,994
• 4 August 2026: £16,900
• 21 August 2026: £16,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 1 January 2027.

It has had 3 MOTs. The latest, on 19 December 2025, passed.

Advisories at the latest test: central front items removed from driver's view prior to test.

Mileage at that test: 48,024 miles, which matches the advertised 54,262 miles.

Advertised mileage is about 4,200 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

12 other 2020 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £13,990 to £18,900, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 54,806 miles. Price: £16,030, £670 less than this car. Dealer: Evans Halshaw MG Banbury in Banbury. AskCar page: https://askcar.co.uk/car/audi-a3-2020-d973fb48c7f9
• 2020 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 51,334 miles. Price: £14,450, £2,250 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2020-edda87edf116
• 2020 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 44,534 miles. Price: £16,785, £85 more than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2020-abb83743ad6a

• The nearest: 2020 Audi A3 S Line, 1.5 petrol saloon, blue, 23 miles from this car. Mileage: 35,520 miles. Price: £16,195, £505 less than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/audi-a3-2020-1fac43c63c98