2020 Audi A4 Avant 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A4 Avant
• Trim: S Line
• Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2020
• Mileage: 55,570 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 167 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A4 Avant S Line is advertised with 55,570 miles, approximately 9,800 below the typical mileage for its age. The dealer is asking £17,794, which is £581 below the AskCar estimate of £18,375. To work out the AskCar estimate, we analyse UK dealer adverts for 1,251 Audi A4 Avant cars across different ages and specifications. Since we first spotted the advert 93 days ago, the asking price has dropped by £200. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Queensgate Car Sales in Burnley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £581 (3%) under the AskCar estimate of £18,375.

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 1,251 priced Audi A4 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2020 Audi A4 Avant with the 2.0 petrol engine is typically advertised at £17,000: the median of the 87 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Audi A4 Avant has been on sale for at least 93 days.

Price history

AskCar first saw this advert on 4 August 2026 at £17,994. Its asking price is now £17,794, £200 less. The latest price cut was seen on 10 September 2026.

Price changes recorded:

• 5 August 2026: £17,994
• 10 September 2026: £17,794

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 28 June 2027.

It has had 4 MOTs. The latest, on 29 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,550 miles, which matches the advertised 55,570 miles.

Advertised mileage is about 9,800 miles lower than the median mileage of a 2020 Audi A4 Avant on AskCar.

Similar cars

9 other 2020 Audi A4 Avant S Line 2.0 petrol automatic estates are for sale at UK dealers, from £14,623 to £22,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 Avant S Line, 2.0 petrol estate, grey. Mileage: 55,424 miles. Price: £17,495, £299 less than this car. Dealer: Hawco Group in Dundee. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-89903ca84a1d
• 2020 Audi A4 Avant S Line, 2.0 petrol estate, grey. Mileage: 56,000 miles. Price: £17,299, £495 less than this car. Dealer: Binks Of Beccles in Beccles. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-19ad55519e3e
• 2020 Audi A4 Avant S Line, 2.0 petrol estate, black. Mileage: 59,230 miles. Price: £15,900, £1,894 less than this car. Dealer: Anchor Cars in Reading. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-90a5d23a6793

• The nearest: 2020 Audi A4 Avant S Line, 2.0 petrol estate, black, 79 miles from this car. Mileage: 77,179 miles. Price: £14,623, £3,171 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-ee04e715f2bb