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: 42,433 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 42,433 miles, approximately 22,900 below the typical mileage for its age. The AskCar estimate for this car is £20,012. It is priced at £19,999, which is £13 below that estimate. The AskCar estimate uses 1,251 UK dealer adverts for the Audi A4 Avant, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Manchester Audi, based in Manchester. 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: £13 (under 1%) under the AskCar estimate of £20,012.

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 2 days 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 3 November 2026 at £19,999. 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 13 July 2027.

It has had 4 MOTs. The latest, on 17 June 2026, passed.

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

Mileage at that test: 41,197 miles, which matches the advertised 42,433 miles.

Advertised mileage is about 22,900 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 £16,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 Avant S Line, 2.0 diesel estate, grey. Mileage: 65,093 miles. Price: £15,600, £4,399 less than this car. Dealer: Evans Halshaw Ford Altrincham in Altrincham. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-dc57c7212029
• 2020 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 65,745 miles. Price: £14,550, £5,449 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, £3,004 less than this car. Dealer: Simpson Motors in Dunfermline. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-254120ceab01