2018 Audi A3 1.5 TFSI S Line
Price: £9,322. Fair price: £155 (1%) over the AskCar estimate of £9,167, 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: 1.5 TFSI S Line Manual FWD Euro 6 5dr (147 bhp)
- Year: 2018
- Mileage: 99,596 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 147 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Black
- CO2: 118 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A3 S Line has covered 99,596 miles, around 34,600 more miles than is typical for its age. The dealer is asking £9,322, which is £155 above the AskCar estimate of £9,167. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. It first appeared in our advert records 17 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Jwp Motors, based in Doncaster. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £155 (1%) over the AskCar estimate of £9,167.
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.
A 2018 Audi A3 with the 1.5 petrol engine is typically advertised at £12,200: the median of the 142 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 Audi A3 has been on sale for at least 17 days.
Price history
AskCar first saw this advert on 16 October 2026 at £9,322. 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 8 March 2027.
It has had 6 MOTs. The latest, on 9 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 97,697 miles, which matches the advertised 99,596 miles.
Advertised mileage is about 34,600 miles higher than the median mileage of a 2018 Audi A3 on AskCar.
Similar cars
26 other 2018 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £6,990 to £15,999, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 102,002 miles. Price: £8,750, £572 less than this car. Dealer: Nawaie Motoring Ltd (West Midlands) in Oldbury. AskCar page: https://askcar.co.uk/car/audi-a3-2018-cf68d2f78db1
- 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 95,000 miles. Price: £8,594, £728 less than this car. Dealer: Prime London Motors in Staines. AskCar page: https://askcar.co.uk/car/audi-a3-2018-22a20b674e34
- 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 104,922 miles. Price: £8,990, £332 less than this car. Dealer: Auto Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2018-87e6f1c85831
- The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, white, 46 miles from this car. Mileage: 122,999 miles. Price: £6,990, £2,332 less than this car. Dealer: 2Us 4 Cars in Bacup. AskCar page: https://askcar.co.uk/car/audi-a3-2018-7d6ee428af51
Browse all Audi A3 cars for sale · 2018 Audi A3 price guide
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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.