2020 Audi A4 2.0 TFSI S Line

Price: £16,880. Fair price: £74 (under 1%) under the AskCar estimate of £16,954, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,428 priced Audi A4 adverts on AskCar as of 2 November 2026.

AskCar lists 1,493 used Audi A4 from 984 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A4
  • Trim: S Line
  • Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 4dr
  • Year: 2020
  • Mileage: 54,010 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 155 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A4 S Line is advertised with 54,010 miles on the clock. Priced at £16,880, it is advertised £74 below the AskCar estimate of £16,954. The AskCar estimate uses 1,428 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 158 days ago, and its asking price has since fallen by £1,319. Our records show an MOT expiry date of 11 August 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at Bridgend Motor Group, Ayr in Heathfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £74 (under 1%) under the AskCar estimate of £16,954.

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 1,428 priced Audi A4 adverts across different ages and specifications, as of 2 November 2026.

A 2020 Audi A4 with the 2.0 petrol engine is typically advertised at £17,300: the median of the 103 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 Audi A4 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £18,199. Its asking price is now £16,880, £1,319 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

  • 28 May 2026: £18,199
  • 6 August 2026: £17,999
  • 4 September 2026: £17,499
  • 16 October 2026: £16,880

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 11 August 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 12 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 51,020 miles, which matches the advertised 54,010 miles.

Advertised mileage is about 1,000 miles higher than the median mileage of a 2020 Audi A4 on AskCar.

Similar cars

6 other 2020 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £14,988 to £19,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 49,000 miles. Price: £17,495, £615 more than this car. Dealer: SSS Car Sales in London. AskCar page: https://askcar.co.uk/car/audi-a4-2020-5156ef720f6d
  • 2020 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 37,750 miles. Price: £17,499, £619 more than this car. Dealer: Gates Of Woodford in Woodford. AskCar page: https://askcar.co.uk/car/audi-a4-2020-6afc35dac6ba
  • 2020 Audi A4 S Line, 2.0 petrol saloon, black. Mileage: 33,600 miles. Price: £17,990, £1,110 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/audi-a4-2020-d447160ff9fa
  • The nearest: 2020 Audi A4 S Line, 2.0 petrol saloon, blue, 184 miles from this car. Mileage: 14,724 miles. Price: £19,995, £3,115 more than this car. Dealer: Group 1 Automotive Macclesfield Audi in Macclesfield. AskCar page: https://askcar.co.uk/car/audi-a4-2020-dbd0d8081429

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

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Photos

23 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.