2020 Audi A4 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A4 Avant
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 5dr (160 bhp)
• Year: 2020
• Mileage: 70,185 miles
• Fuel: Diesel, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 160 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 149 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A4 Avant S Line is advertised with 70,185 miles, approximately 4,800 above the typical mileage for its age. Its asking price of £16,995 is £224 above the AskCar estimate of £16,771. The AskCar estimate uses 1,251 UK dealer adverts for the Audi A4 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 27 days ago. Its advertised mileage matches the government's MOT record. The seller is Simpson Motors, based in Dunfermline. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £224 (1%) over the AskCar estimate of £16,771.

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 1,251 priced Audi A4 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2020 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £17,000: the median of the 87 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Audi A4 Avant has been on sale for at least 27 days.

Price history

AskCar first saw this advert on 9 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 5 November 2026: valid until 16 April 2027.

It has had 6 MOTs. The latest, on 17 April 2026, passed.

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

Mileage at that test: 62,731 miles, which matches the advertised 70,185 miles.

Advertised mileage is about 4,800 miles higher than the median mileage of a 2020 Audi A4 Avant on AskCar.

Similar cars

9 other 2020 Audi A4 Avant S Line 2.0 diesel automatic estates are for sale at UK dealers, from £10,995 to £19,999, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 71,780 miles. Price: £16,740, £255 less than this car. Dealer: Steven Eagell Toyota Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-a5841b482df9
• 2020 Audi A4 Avant S Line, 2.0 diesel estate, grey. Mileage: 71,800 miles. Price: £15,495, £1,500 less than this car. Dealer: David Ascott Motors in Greenford. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-a1a5567ce922
• 2020 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 65,745 miles. Price: £14,550, £2,445 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-d28dd0f8b249

• The nearest: 2020 Audi A4 Avant S Line, 2.0 diesel estate, blue, 187 miles from this car. Mileage: 42,433 miles. Price: £19,999, £3,004 more than this car. Dealer: Stratstone Manchester Audi in Manchester. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-0c7cc7873a95