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: 45,241 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

This 2020 Audi A4 S Line is advertised with 45,241 miles, approximately 7,800 below the typical mileage for its age. The AskCar estimate for this car is £17,479. It is priced at £17,498, which is £19 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,428 Audi A4 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 6 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Aberdeen Vauxhall / Peugeot, based in Aberdeen. 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: £19 (under 1%) over the AskCar estimate of £17,479.

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

AskCar first saw this 2020 Audi A4 advertised 6 days ago. About 4 in 10 of 2020 Audi A4 cars are gone from sale within a month of being advertised: 75 of the 167 first advertised between 14 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 27 October 2026 at £17,498. 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 21 October 2027.

It has had 6 MOTs. The latest, on 22 October 2026, passed.

Advisories at the latest test: nearside rear nail in tyre.

Mileage at that test: 45,242 miles, which matches the advertised 45,241 miles.

Advertised mileage is about 7,800 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 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 S Line, 2.0 diesel saloon, white. Mileage: 46,078 miles. Price: £16,492, £1,006 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, blue. Mileage: 47,000 miles. Price: £17,990, £492 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, grey. Mileage: 47,438 miles. Price: £16,995, £503 less than this car. Dealer: Struans Mazdasubaru in Perth. AskCar page: https://askcar.co.uk/car/audi-a4-2020-cfa318995541