2018 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2018
• Mileage: 73,096 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line is advertised with 73,096 miles, approximately 8,100 above the typical mileage for its age. The AskCar estimate for this car is £12,940. It is priced at £12,980, which is £40 above that estimate. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 158 days ago, the asking price has dropped by £1,015. The government's MOT record matches its advertised mileage. It is advertised by Fab Cars in Southend-on-SEA. 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

Fair price: £40 (under 1%) over the AskCar estimate of £12,940.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £13,995. Its asking price is now £12,980, £1,015 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

• 29 May 2026: £13,995
• 6 June 2026: £13,895
• 17 June 2026: £13,795
• 25 June 2026: £13,594
• 23 July 2026: £13,495
• 17 August 2026: £13,295
• 13 October 2026: £12,995
• 26 October 2026: £12,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 April 2027.

It has had 7 MOTs. The latest, on 10 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 73,102 miles, which matches the advertised 73,096 miles.

Advertised mileage is about 8,100 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, blue. Mileage: 72,000 miles. Price: £11,995, £985 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: 82,563 miles. Price: £12,450, £530 less than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/audi-a3-2018-3b7469ecee5f
• 2018 Audi A3 S Line, 2.0 diesel hatchback, silver. Mileage: 61,178 miles. Price: £13,899, £919 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, white, 25 miles from this car. Mileage: 27,000 miles. Price: £16,495, £3,515 more than this car. Dealer: Auto 2000 in Havering. AskCar page: https://askcar.co.uk/car/audi-a3-2018-42c719045174