2020 Audi A4 2.0 TDI S Line

Price: £16,995. Fair price: £144 (under 1%) under the AskCar estimate of £17,139, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,427 priced Audi A4 adverts on AskCar as of 4 November 2026.

AskCar lists 1,488 used Audi A4 from 972 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A4
  • Trim: S Line
  • Version: 2.0 TDI S Line S tronic FWD Euro 6 4dr (160 bhp)
  • Year: 2020
  • Mileage: 47,438 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 160 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 145 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 47,438 miles on the clock, this 2020 Audi A4 S Line has done roughly 3,900 fewer miles than a typical 2020 Audi A4. Its asking price of £16,995 is £144 below the AskCar estimate of £17,139. The AskCar estimate uses 1,427 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 15 days ago. The government's MOT record matches its advertised mileage. It is advertised by Struans Mazdasubaru in Perth. 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: £144 (under 1%) under the AskCar estimate of £17,139.

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 1,427 priced Audi A4 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi A4 with the 2.0 diesel engine is typically advertised at £17,200: the median of the 107 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Audi A4 has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 20 October 2026 at £16,995. 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: valid until 9 July 2027.

It has had 4 MOTs. The latest, on 10 July 2026, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 45,871 miles, which matches the advertised 47,438 miles.

Advertised mileage is about 3,900 miles lower than the median mileage of a 2020 Audi A4 on AskCar.

Similar cars

6 other 2020 Audi A4 S Line 2.0 diesel automatic saloons are for sale at UK dealers, from £15,295 to £17,990, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi A4 S Line, 2.0 diesel saloon, blue. Mileage: 47,000 miles. Price: £17,990, £995 more than this car. Dealer: Moyway Motors in Dungannon. AskCar page: https://askcar.co.uk/car/audi-a4-2020-d0c2d2c3e540
  • 2020 Audi A4 S Line, 2.0 diesel saloon, white. Mileage: 46,078 miles. Price: £16,492, £503 less than this car. Dealer: Hawco Group in Dundee. AskCar page: https://askcar.co.uk/car/audi-a4-2020-6cf55baf0601
  • 2020 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 45,241 miles. Price: £16,998, the same price as this car. Dealer: Arnold Clark Aberdeen Vauxhall / Peugeot in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a4-2020-46a1e9bd744c

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

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Photos

5 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.