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: 46,078 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 160 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 145 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A4 S Line has covered 46,078 miles, around 6,900 fewer miles than is typical for its age. Its asking price of £16,492 is £906 below the AskCar estimate of £17,398. The AskCar estimate uses UK dealer asking prices, including 1,428 Audi A4 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 60 days ago. Its asking price has since fallen by £503. The latest recorded MOT expiry date is 12 September 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. The seller is Hawco Group, based in Dundee. 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: £906 (5%) under the AskCar estimate of £17,398.

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 60 days.

Price history

AskCar first saw this advert on 3 September 2026 at £16,995. Its asking price is now £16,492, £503 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 3 September 2026: £16,995
• 19 September 2026: £17,495
• 9 October 2026: £16,994
• 17 October 2026: £16,793
• 31 October 2026: £16,492

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 12 September 2026; ask the dealer for the current MOT.

It has had 4 MOTs. The latest, on 26 August 2025, passed.

Advisories at the latest test: nearside rear lower coil spring mounting corroded but not seriously weakened spring seat; offside rear lower coil spring mounting corroded but not seriously weakened spring seat.

Mileage at that test: 37,974 miles, which matches the advertised 46,078 miles.

Advertised mileage is about 6,900 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 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 S Line, 2.0 diesel saloon, grey. Mileage: 45,241 miles. Price: £17,498, £1,006 more than this car. Dealer: Arnold Clark Aberdeen Vauxhall / Peugeot in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a4-2020-46a1e9bd744c
• 2020 Audi A4 S Line, 2.0 diesel saloon, blue. Mileage: 47,000 miles. Price: £17,990, £1,498 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 more than this car. Dealer: Struans Mazdasubaru in Perth. AskCar page: https://askcar.co.uk/car/audi-a4-2020-cfa318995541