2020 Audi A4 2.0 TDI S Line

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: 47,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 160 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 145 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 47,000 miles, this 2020 Audi A4 S Line has covered about 6,000 fewer miles than other 2020 Audi A4 cars. Its asking price of £17,990 is £680 above the AskCar estimate of £17,310. To work out the AskCar estimate, we analyse UK dealer adverts for 1,428 Audi A4 cars across different ages and specifications. It first appeared in our advert records 20 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Moyway Motors in Dungannon. 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: £680 (3%) over the AskCar estimate of £17,310.

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 diesel 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 20 days.

Price history

AskCar first saw this advert on 13 October 2026 at £17,990. 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 2 November 2026: valid until 31 July 2027.

It has had 2 MOTs. The latest, on 19 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 46,186 miles, which matches the advertised 47,000 miles.

Advertised mileage is about 6,000 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 £17,498, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 47,438 miles. Price: £16,995, £995 less than this car. Dealer: Struans Mazdasubaru in Perth. AskCar page: https://askcar.co.uk/car/audi-a4-2020-cfa318995541
• 2020 Audi A4 S Line, 2.0 diesel saloon, white. Mileage: 46,078 miles. Price: £16,492, £1,498 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: £17,498, £492 less than this car. Dealer: Arnold Clark Aberdeen Vauxhall / Peugeot in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a4-2020-46a1e9bd744c

• The nearest: 2020 Audi A4 S Line, 2.0 diesel saloon, white, 34 miles from this car. Mileage: 60,659 miles. Price: £17,450, £540 less than this car. Dealer: Brian Mc Manus Car Sales in Derry. AskCar page: https://askcar.co.uk/car/audi-a4-2020-4f3b552c818e