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: 76,000 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: Black
• CO2: 149 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 76,000 miles, this 2020 Audi A4 Avant S Line has covered about 10,900 more miles than other 2020 Audi A4 Avant cars. The dealer is asking £15,950, which is £111 below the AskCar estimate of £16,061. To work out the AskCar estimate, we analyse UK dealer adverts for 1,232 Audi A4 Avant cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Cars to Go in Bournemouth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £111 (under 1%) under the AskCar estimate of £16,061.

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 1,232 priced Audi A4 Avant adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £17,000: the median of the 89 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2020 Audi A4 Avant advertised today. About half of 2020 Audi A4 Avant cars are gone from sale within a month of being advertised: 54 of the 115 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £15,950. 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 4 November 2026: valid until 31 August 2027.

It has had 5 MOTs. The latest, on 18 August 2026, passed.

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

Mileage at that test: 74,911 miles, which matches the advertised 76,000 miles.

Advertised mileage is about 10,900 miles higher than the median mileage of a 2020 Audi A4 Avant on AskCar.

Similar cars

10 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 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 Avant S Line, 2.0 diesel estate, grey. Mileage: 71,800 miles. Price: £15,650, £300 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: 71,780 miles. Price: £16,740, £790 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, £1,045 more than this car. Dealer: Simpson Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-254120ceab01

• The nearest: 2020 Audi A4 Avant S Line, 2.0 diesel estate, black, 79 miles from this car. Mileage: 124,000 miles. Price: £10,995, £4,955 less than this car. Dealer: Gloucester Motor Group in Gloucester. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-9eeedf3cca66