2021 Audi A4 Avant 2.0 TDI Technik

Price: £15,495. Fair price: £750 (4%) under the AskCar estimate of £16,245, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,232 priced Audi A4 Avant adverts on AskCar as of 4 November 2026.

AskCar lists 1,265 used Audi A4 Avant from 842 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A4 Avant
  • Trim: Technik
  • Version: 2.0 TDI 30 Technik S tronic FWD Euro 6 (s/s) 5dr (134 bhp)
  • Year: 2021
  • Mileage: 65,566 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 134 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 65,566 miles, this 2021 Audi A4 Avant Technik has covered about 5,800 more miles than other 2021 Audi A4 Avant cars. The dealer is asking £15,495, which is £750 below the AskCar estimate of £16,245. 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 12 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Mill End Motor Company in Rickmansworth. 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: £750 (4%) under the AskCar estimate of £16,245.

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 2021 Audi A4 Avant with the 2.0 diesel engine is typically advertised at £18,500: the median of the 95 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Audi A4 Avant has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 23 October 2026 at £15,495. 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 28 April 2027.

It has had 3 MOTs. The latest, on 17 April 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; front brake pad(s) wearing thin.

Mileage at that test: 59,738 miles, which matches the advertised 65,566 miles.

Advertised mileage is about 5,800 miles higher than the median mileage of a 2021 Audi A4 Avant on AskCar.

Similar cars

8 other 2021 Audi A4 Avant Technik 2.0 diesel automatic estates are for sale at UK dealers, from £11,995 to £17,212, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 Audi A4 Avant Technik, 2.0 diesel estate, black. Mileage: 69,701 miles. Price: £14,999, £496 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-b239813cf4b2
  • 2021 Audi A4 Avant Technik, 2.0 diesel estate, grey. Mileage: 72,737 miles. Price: £14,850, £645 less than this car. Dealer: Ballinderry Car Sales in Lisburn. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-5b10f1902e25
  • 2021 Audi A4 Avant Technik, 2.0 diesel estate, white. Mileage: 55,218 miles. Price: £17,212, £1,717 more than this car. Dealer: Vertu Audi Hereford in Hereford. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-148ab5f6999b
  • The nearest: 2021 Audi A4 Avant Technik, 2.0 diesel estate, grey, 30 miles from this car. Mileage: 105,380 miles. Price: £11,995, £3,500 less than this car. Dealer: J and S Motors in Havering. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2021-be4867e5f627

Browse all Audi A4 Avant cars for sale · 2021 Audi A4 Avant price guide

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Photos

11 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.