2017 Audi A3 S Line

Price: £6,445. Good value: £1,903 (22%) under the AskCar estimate of £8,348, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.

AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line
  • Version: S Line Manual Euro 6 5dr
  • Year: 2017
  • Mileage: 106,000 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Gearbox: Manual
  • Colour: White
  • CO2: 94 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Audi A3 S Line is advertised with 106,000 miles, approximately 31,300 above the typical mileage for its age. The AskCar estimate for this car is £8,348. It is priced at £6,445, which is £1,903 below that estimate. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £550. We checked its advertised mileage against the government's MOT record, and they match. The seller is Rallysport Automotive, based in Colchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £1,903 (22%) under the AskCar estimate of £8,348.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2017 Audi A3 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £6,995. Its asking price is now £6,445, £550 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 28 May 2026: £6,995
  • 18 June 2026: £6,945
  • 9 July 2026: £6,895
  • 2 August 2026: £6,875
  • 3 August 2026: £6,845
  • 13 August 2026: £6,830
  • 18 August 2026: £6,795
  • 4 September 2026: £6,775
  • 16 September 2026: £6,745
  • 23 September 2026: £6,675
  • 4 October 2026: £6,575
  • 15 October 2026: £6,495
  • 28 October 2026: £6,445

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 December 2026.

It has had 7 MOTs. The latest, on 2 December 2025, passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 106,001 miles, which matches the advertised 106,000 miles.

Advertised mileage is about 31,300 miles higher than the median mileage of a 2017 Audi A3 on AskCar.

Browse all Audi A3 cars for sale · 2017 Audi A3 price guide

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Photos

75 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.