2020 Audi A4 Avant 2.0 TDI S Line

Overview

• Make: Audi
• Model: A4 Avant
• Trim: S Line
• Version: 2.0 TDI 30 S Line S tronic FWD Euro 6 (s/s) 5dr (134 bhp)
• Year: 2020
• Mileage: 71,800 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 134 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 71,800 miles on the clock, this 2020 Audi A4 Avant S Line has done roughly 6,400 more miles than a typical 2020 Audi A4 Avant. The AskCar estimate for this car is £15,678. It is priced at £15,495, which is £183 below that estimate. The AskCar estimate draws on 1,251 Audi A4 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 84 days ago. Its asking price has since fallen by £955. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by David Ascott Motors in Greenford. 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: £183 (1%) under the AskCar estimate of £15,678.

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 84 days.

Price history

AskCar first saw this advert on 13 August 2026 at £16,450. Its asking price is now £15,495, £955 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 13 August 2026: £16,450
• 19 August 2026: £16,399
• 27 August 2026: £16,199
• 15 September 2026: £15,999
• 8 October 2026: £15,895
• 11 October 2026: £15,795
• 22 October 2026: £15,750
• 27 October 2026: £15,650
• 5 November 2026: £15,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 19 July 2027.

It failed its MOT on 14 July 2026 (nearside front tyre tread depth below requirements of 1.6mm) and passed 6 days later, on 20 July 2026.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge worn on inner edge; nearside rear tyre worn close to legal limit/worn on edge wearing on inner edge.

Mileage at that test: 71,784 miles, which matches the advertised 71,800 miles.

Advertised mileage is about 6,400 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, £1,245 more 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, blue. Mileage: 70,185 miles. Price: £16,995, £1,500 more than this car. Dealer: Simpson Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-254120ceab01
• 2020 Audi A4 Avant S Line, 2.0 diesel estate, black. Mileage: 76,000 miles. Price: £15,950, £455 more than this car. Dealer: Cars to Go in Bournemouth. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-4211511d6684

• The nearest: 2020 Audi A4 Avant S Line, 2.0 diesel estate, white, 9 miles from this car. Mileage: 65,745 miles. Price: £14,550, £945 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-d28dd0f8b249