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) 5dr Sportback (148 bhp)
• Year: 2020
• Mileage: 44,558 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: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,558 miles, this 2020 Audi A3 S Line has covered about 5,500 fewer miles than other 2020 Audi A3 cars. Its asking price of £17,484 is £196 below the AskCar estimate of £17,680. The AskCar estimate draws on 6,630 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. The recorded MOT expired on 27 October 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carbase Weston-super-Mare, based in Weston-Super-Mare. 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: £196 (1%) under the AskCar estimate of £17,680.

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

AskCar first saw this 2020 Audi A3 advertised today. 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 4 November 2026 at £17,484. 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: the latest record we hold ran out on 27 October 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 18 October 2025, passed.

Advisories at the latest test: nearside rear tyre worn to 2mm tread depth; offside rear tyre worn to 2.6mm tread depth.

Mileage at that test: 40,711 miles, which matches the advertised 44,558 miles.

Advertised mileage is about 5,500 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

25 other 2020 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £13,100 to £20,750, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 44,000 miles. Price: £19,995, £2,511 more than this car. Dealer: R W Sports And Prestige in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2020-b3a560cf6848
• 2020 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 42,738 miles. Price: £17,837, £353 more than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2020-218103e452d4
• 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 42,382 miles. Price: £17,599, £115 more than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-356ac25a4955

• The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, grey, 18 miles from this car. Mileage: 52,537 miles. Price: £16,177, £1,307 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0821b03c844a