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 4WD Euro 6 5dr 40 (08/19-) (187 bhp)
• Year: 2020
• Mileage: 65,093 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 166 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A4 Avant S Line is advertised with 65,093 miles on the clock. The dealer is asking £15,600, which is £2,138 below the AskCar estimate of £17,738. To work out the AskCar estimate, we analyse UK dealer adverts for 1,251 Audi A4 Avant cars across different ages and specifications. We have tracked this advert for 1 day. Its advertised mileage matches the government's MOT record. The seller is Evans Halshaw Ford Altrincham, based in Altrincham. 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

Good value: £2,138 (12%) under the AskCar estimate of £17,738.

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

AskCar first saw this 2020 Audi A4 Avant advertised 1 day ago. About half of 2020 Audi A4 Avant cars are gone from sale within a month of being advertised: 56 of the 117 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £15,600. 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 29 October 2027.

It has had 6 MOTs. The latest, on 30 October 2026, passed.

Advisories at the latest test: nearside front inner tyre worn close to legal limit/worn on edge; offside front inner tyre worn close to legal limit/worn on edge; nearside front tyre slightly damaged/cracking or perishing; and 1 more.

Mileage at that test: 65,093 miles, which matches the advertised 65,093 miles.

Advertised mileage is about 300 miles lower 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: 65,745 miles. Price: £14,550, £1,050 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-d28dd0f8b249
• 2020 Audi A4 Avant S Line, 2.0 diesel estate, blue. Mileage: 70,185 miles. Price: £16,995, £1,395 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, white. Mileage: 71,780 miles. Price: £16,740, £1,140 more than this car. Dealer: Steven Eagell Toyota Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-a5841b482df9

• The nearest: 2020 Audi A4 Avant S Line, 2.0 diesel estate, blue, 5 miles from this car. Mileage: 42,433 miles. Price: £19,999, £4,399 more than this car. Dealer: Stratstone Manchester Audi in Manchester. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-0c7cc7873a95