2020 Audi A4 2.0 TFSI S Line
Price: £19,995. Fair price: £1,249 (6%) over the AskCar estimate of £18,746, 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 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
- Year: 2020
- Mileage: 14,724 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 154 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 14,724 miles on the clock, this 2020 Audi A4 S Line has done roughly 38,300 fewer miles than a typical 2020 Audi A4. The AskCar estimate for this car is £18,746. It is priced at £19,995, which is £1,249 above that estimate. The AskCar estimate uses 1,428 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 8 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Group 1 Automotive Macclesfield Audi, based in Macclesfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,249 (6%) over the AskCar estimate of £18,746.
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 8 days.
Price history
AskCar first saw this advert on 25 October 2026 at £19,995. 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 2 November 2026: valid until 12 July 2027.
It failed its MOT on 9 July 2026 (offside rear lower coil spring mounting fractured) and passed 1 day later, on 10 July 2026.
There were no advisories at the latest test.
Mileage at that test: 13,754 miles, which matches the advertised 14,724 miles.
Advertised mileage is about 38,300 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 £18,000, 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, £1,995 less than 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, black. Mileage: 33,600 miles. Price: £17,990, £2,005 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/audi-a4-2020-d447160ff9fa
- 2020 Audi A4 S Line, 2.0 petrol saloon, blue. Mileage: 37,750 miles. Price: £17,499, £2,496 less than this car. Dealer: Gates Of Woodford in Woodford. AskCar page: https://askcar.co.uk/car/audi-a4-2020-6afc35dac6ba
Browse all Audi A4 cars for sale · 2020 Audi A4 price guide
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Photos
50 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.