2020 Audi A4 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A4
• Trim: S Line
• Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 4dr
• Year: 2020
• Mileage: 43,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A4 S Line has covered 43,000 miles, around 9,600 fewer miles than is typical for its age. The AskCar estimate for this car is £17,735. It is priced at £16,989, which is £746 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,435 Audi A4 cars across different ages and specifications. This car was first seen in our listings data today. The government's MOT record matches its advertised mileage. You can find this car at Bluehawk Automotive in Hounslow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £746 (4%) under the AskCar estimate of £17,735.

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 1,435 priced Audi A4 adverts across different ages and specifications, as of 6 November 2026.

A 2020 Audi A4 with the 2.0 petrol engine is typically advertised at £17,000: the median of the 104 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2020 Audi A4 advertised today. About half of 2020 Audi A4 cars are gone from sale within a month of being advertised: 80 of the 174 first advertised between 10 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £16,989. 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 6 November 2026: valid until 23 December 2026.

It has had 5 MOTs. The latest, on 16 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 31,282 miles, which matches the advertised 43,000 miles.

Advertised mileage is about 9,600 miles lower than the median mileage of a 2020 Audi A4 on AskCar.

Similar cars

7 other 2020 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £14,475 to £17,990, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 46,000 miles. Price: £15,999, £990 less than this car. Dealer: Charles Hurst CUPRA Belfast in Belfast. AskCar page: https://askcar.co.uk/car/audi-a4-2020-8e153e57a2b5
• 2020 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 39,387 miles. Price: £15,691, £1,298 less than this car. Dealer: Luscombe MG Leeds in Leeds. AskCar page: https://askcar.co.uk/car/audi-a4-2020-d0072c3dcb6d
• 2020 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 37,750 miles. Price: £17,299, £310 more than this car. Dealer: Gates Of Woodford in Woodford. AskCar page: https://askcar.co.uk/car/audi-a4-2020-6afc35dac6ba

• The nearest: 2020 Audi A4 S Line, 2.0 petrol saloon, grey, 12 miles from this car. Mileage: 49,000 miles. Price: £17,495, £506 more than this car. Dealer: SSS Car Sales in London. AskCar page: https://askcar.co.uk/car/audi-a4-2020-5156ef720f6d