2020 Audi A4 Avant 2.0 TFSI S Line

Price: £19,498. Fair price: £484 (2%) under the AskCar estimate of £19,982, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,251 priced Audi A4 Avant adverts on AskCar as of 5 November 2026.

AskCar lists 1,308 used Audi A4 Avant from 859 UK dealerships, as of 5 November 2026.

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: 40,922 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 167 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 40,922 miles on the clock, this 2020 Audi A4 Avant S Line has done roughly 24,400 fewer miles than a typical 2020 Audi A4 Avant. The AskCar estimate for this car is £19,982. It is priced at £19,498, which is £484 below that estimate. The AskCar estimate draws on 1,251 Audi A4 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 14 days ago, the asking price has dropped by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Linwood Volkswagen, based in Linwood. 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: £484 (2%) under the AskCar estimate of £19,982.

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 14 days.

Price history

AskCar first saw this advert on 22 October 2026 at £19,998. Its asking price is now £19,498, £500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 22 October 2026: £19,998
  • 3 November 2026: £19,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 October 2027.

It has had 5 MOTs. The latest, on 21 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,931 miles, which matches the advertised 40,922 miles.

Advertised mileage is about 24,400 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, £2,003 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, black. Mileage: 55,570 miles. Price: £17,794, £1,704 less than this car. Dealer: Queensgate Car Sales in Burnley. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-73e62c2e4dce
  • 2020 Audi A4 Avant S Line, 2.0 petrol estate, grey. Mileage: 56,000 miles. Price: £17,299, £2,199 less than this car. Dealer: Binks Of Beccles in Beccles. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-19ad55519e3e

Browse all Audi A4 Avant cars for sale · 2020 Audi A4 Avant price guide

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Photos

20 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.