2020 Audi A3 1.5 TFSI S Line

Price: £15,995. Fair price: £304 (1%) under the AskCar estimate of £16,299, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,630 priced Audi A3 adverts on AskCar as of 4 November 2026.

AskCar lists 6,774 used Audi A3 from 2,309 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line
  • Version: 1.5 TFSI S Line Manual FWD Euro 6
  • Year: 2020
  • Mileage: 48,000 miles
  • Fuel: Petrol
  • Engine: 1.5 litres
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 142 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 48,000 miles, this 2020 Audi A3 S Line has covered about 2,100 fewer miles than other 2020 Audi A3 cars. The dealer is asking £15,995, which is £304 below the AskCar estimate of £16,299. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. It first appeared in our advert records today. Its advertised mileage matches the government's MOT record. It is advertised by Trade Save Centre in Gloucester. 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: £304 (1%) under the AskCar estimate of £16,299.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 142 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2020 Audi A3 advertised today. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 248 of the 473 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £15,995. 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 4 November 2026: valid until 5 November 2026.

It has had 3 MOTs. The latest, on 1 November 2025, passed.

Advisories at the latest test: front undertray not fully secure 2x rear fixings missing; offside rear tyre slightly damaged/cracking or perishing cracking between treads - 225/40/18.

Mileage at that test: 43,128 miles, which matches the advertised 48,000 miles.

Advertised mileage is about 2,100 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Browse all Audi A3 cars for sale · 2020 Audi A3 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.