2018 Audi A5 2.0 TDI ultra S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (187 bhp)
• Year: 2018
• Mileage: 68,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 112 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line is advertised with 68,000 miles, approximately 3,900 below the typical mileage for its age. Its asking price of £13,789 is £1,682 below the AskCar estimate of £15,471. To work out the AskCar estimate, we analyse UK dealer adverts for 1,830 Audi A5 cars across different ages and specifications. Since we first spotted the advert 42 days ago, the asking price has dropped by £500. The recorded MOT expired on 8 October 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Bluehawk Automotive in Hounslow. 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: £1,682 (10%) under the AskCar estimate of £15,471.

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 1,830 priced Audi A5 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,900: the median of the 117 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi A5 has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 21 September 2026 at £14,289. Its asking price is now £13,789, £500 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 21 September 2026: £14,289
• 30 October 2026: £13,789

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 8 October 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 18 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 63,317 miles, which matches the advertised 68,000 miles.

Advertised mileage is about 3,900 miles lower than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

16 other 2018 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £11,900 to £19,500, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 67,700 miles. Price: £15,999, £2,210 more than this car. Dealer: CG Motor Land in Leicester. AskCar page: https://askcar.co.uk/car/audi-a5-2018-08fedcc62f6a
• 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 69,100 miles. Price: £14,499, £710 more than this car. Dealer: MHY Trade Cars in West Drayton. AskCar page: https://askcar.co.uk/car/audi-a5-2018-e94f1e0fe355
• 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 73,000 miles. Price: £14,490, £701 more than this car. Dealer: LVMC in High Ongar. AskCar page: https://askcar.co.uk/car/audi-a5-2018-ec5126d01072