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 30 (134 bhp)
• Year: 2020
• Mileage: 43,000 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 134 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A4 Avant S Line is advertised with 43,000 miles, approximately 22,000 below the typical mileage for its age. The AskCar estimate for this car is £18,500. It is priced at £19,199, which is £699 above that estimate. The AskCar estimate draws on 1,202 Audi A4 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 28 days. The recorded MOT expired on 3 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Newarth Car Sales in Manchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £699 (3%) over the AskCar estimate of £18,500.

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 1,202 priced Audi A4 Avant adverts across different ages and specifications, as of 2 November 2026.

A 2020 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £17,000: the median of the 85 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 Audi A4 Avant has been on sale for at least 28 days.

Price history

AskCar first saw this advert on 5 October 2026 at £18,950. Its asking price is now £19,199, £249 more.

Price changes recorded:

• 5 October 2026: £18,950
• 2 November 2026: £19,199

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 3 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 20 August 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 34,524 miles, which matches the advertised 43,000 miles.

Advertised mileage is about 22,000 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 £11,250 to £17,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 Avant S Line, 2.0 diesel estate, blue. Mileage: 48,943 miles. Price: £17,990, £1,209 less than this car. Dealer: Alpha Motors in Wigan. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-f02cd1f7e96b
• 2020 Audi A4 Avant S Line, 2.0 diesel estate, blue. Mileage: 62,216 miles. Price: £16,999, £2,200 less than this car. Dealer: Faintree Garage Faintree Seat in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-a86121fb8a74
• 2020 Audi A4 Avant S Line, 2.0 diesel estate, white. Mileage: 65,745 miles. Price: £14,850, £4,349 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2020-d28dd0f8b249