2018 Audi A3 2.0 TDI S Line
Price: £12,745. Above the going rate: £1,481 (13%) over the AskCar estimate of £11,264, 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: 2.0 TDI S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Year: 2018
- Mileage: 85,000 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 2.0 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 109 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 85,000 miles, this 2018 Audi A3 S Line has covered about 20,000 more miles than other 2018 Audi A3 cars. Priced at £12,745, it is advertised £1,481 above the AskCar estimate of £11,264. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 35 days. Its advertised mileage matches the government's MOT record. It is advertised by Greenlight in Blackburn. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Above the going rate: £1,481 (13%) over the AskCar estimate of £11,264.
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 2.0 diesel engine is typically advertised at £13,500: the median of the 68 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 Audi A3 has been on sale for at least 35 days.
Price history
AskCar first saw this advert on 28 September 2026 at £12,745. 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 7 January 2027.
It has had 5 MOTs. The latest, on 8 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 69,142 miles, which matches the advertised 85,000 miles.
Advertised mileage is about 20,000 miles higher than the median mileage of a 2018 Audi A3 on AskCar.
Similar cars
3 other 2018 Audi A3 S Line 2.0 diesel manual hatchbacks are for sale at UK dealers, from £8,750 to £14,999, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 88,750 miles. Price: £10,490, £2,255 less than this car. Dealer: Oakwood Prestige Cars in Trowbridge. AskCar page: https://askcar.co.uk/car/audi-a3-2018-b8f01df433e3
- 2018 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 107,000 miles. Price: £8,750, £3,995 less than this car. Dealer: MF Motors (Norwich) in Flordon. AskCar page: https://askcar.co.uk/car/audi-a3-2018-ca0447336780
- 2018 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 29,300 miles. Price: £14,999, £2,254 more than this car. Dealer: Daniels Vehicle Sales in Malvern. AskCar page: https://askcar.co.uk/car/audi-a3-2018-d8b3baa5044b
Browse all Audi A3 cars for sale · 2018 Audi A3 price guide
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- Used Audi A3 for sale near Blackburn
Photos
36 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.