2020 Audi A4 2.0 TFSI S Line
Price: £17,990. Fair price: £243 (1%) over the AskCar estimate of £17,747, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,428 priced Audi A4 adverts on AskCar as of 2 November 2026.
AskCar lists 1,493 used Audi A4 from 984 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A4
- Trim: S Line
- Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 4dr (201 bhp)
- Year: 2020
- Mileage: 33,600 miles
- Fuel: Petrol, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 201 bhp
- 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 is advertised with 33,600 miles, approximately 19,400 below the typical mileage for its age. Priced at £17,990, it is advertised £243 above the AskCar estimate of £17,747. The AskCar estimate uses UK dealer asking prices, including 1,428 Audi A4 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 59 days ago, the asking price has dropped by £500. The latest recorded MOT expiry date is 27 September 2026, which has passed. Confirm its status with the dealer. The government's MOT record matches its advertised mileage. You can find this car at S James Prestige in Stamford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £243 (1%) over the AskCar estimate of £17,747.
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 1,428 priced Audi A4 adverts across different ages and specifications, as of 2 November 2026.
A 2020 Audi A4 with the 2.0 petrol engine is typically advertised at £17,300: the median of the 103 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2020 Audi A4 has been on sale for at least 59 days.
Price history
AskCar first saw this advert on 4 September 2026 at £18,490. Its asking price is now £17,990, £500 less. The latest price cut was seen on 9 October 2026.
Price changes recorded:
- 4 September 2026: £18,490
- 9 October 2026: £17,990
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 27 September 2026; ask the dealer for the current MOT.
It has had 3 MOTs. The latest, on 10 September 2025, passed.
Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt.
Mileage at that test: 25,778 miles, which matches the advertised 33,600 miles.
Advertised mileage is about 19,400 miles lower than the median mileage of a 2020 Audi A4 on AskCar.
Similar cars
6 other 2020 Audi A4 S Line 2.0 petrol automatic saloons are for sale at UK dealers, from £14,988 to £19,995, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 32,020 miles. Price: £18,000, the same price as this car. Dealer: Sytner Group West London Audi in London. AskCar page: https://askcar.co.uk/car/audi-a4-2020-cc63787d1a67
- 2020 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 37,750 miles. Price: £17,499, £491 less than this car. Dealer: Gates Of Woodford in Woodford. AskCar page: https://askcar.co.uk/car/audi-a4-2020-6afc35dac6ba
- 2020 Audi A4 S Line, 2.0 petrol saloon, grey. Mileage: 49,000 miles. Price: £17,495, £495 less than this car. Dealer: SSS Car Sales in London. AskCar page: https://askcar.co.uk/car/audi-a4-2020-5156ef720f6d
- The nearest: 2020 Audi A4 S Line, 2.0 petrol saloon, black, 15 miles from this car. Mileage: 80,000 miles. Price: £14,988, £3,002 less than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a4-2020-ad531339a7ae
Browse all Audi A4 cars for sale · 2020 Audi A4 price guide
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Photos
20 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.