2018 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI S Line S tronic 4WD Euro 6 (s/s) 5dr Sportback (181 bhp)
• Year: 2018
• Mileage: 82,563 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line is advertised with 82,563 miles, approximately 17,600 above the typical mileage for its age. The dealer is asking £12,450, which is £1,625 below the AskCar estimate of £14,075. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 5 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Parkway Motor Group in Edwinstowe. 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: £1,625 (11%) under the AskCar estimate of £14,075.

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

AskCar first saw this 2018 Audi A3 advertised 5 days ago. About half of 2018 Audi A3 cars are gone from sale within a month of being advertised: 230 of the 468 first advertised between 10 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 October 2026 at £12,450. 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 30 March 2027.

It has had 6 MOTs. The latest, on 5 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 77,704 miles, which matches the advertised 82,563 miles.

Advertised mileage is about 17,600 miles higher than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

6 other 2018 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £9,995 to £16,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 73,096 miles. Price: £12,980, £530 more than this car. Dealer: Fab Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-a3-2018-af2e207a18c0
• 2018 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 72,000 miles. Price: £11,995, £455 less than this car. Dealer: Isaac Motors in Swansea. AskCar page: https://askcar.co.uk/car/audi-a3-2018-aeff9a27baac
• 2018 Audi A3 S Line, 2.0 diesel hatchback, silver. Mileage: 61,178 miles. Price: £13,899, £1,449 more than this car. Dealer: Eastern Western Motor Group Car Deal Warehouse Dundee in Dundee. AskCar page: https://askcar.co.uk/car/audi-a3-2018-303e5adec620

• The nearest: 2018 Audi A3 S Line, 2.0 diesel hatchback, black, under a mile from this car. Mileage: 43,131 miles. Price: £14,850, £2,400 more than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/audi-a3-2018-04de30e681ae