2018 Audi A5 2.0 TDI ultra S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI S Line Manual FWD Euro 6 2dr (187 bhp)
• Year: 2018
• Mileage: 78,000 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 111 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 78,000 miles, this 2018 Audi A5 S Line has covered about 6,600 more miles than other 2018 Audi A5 cars. The AskCar estimate for this car is £11,833. It is priced at £11,250, which is £583 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. This car was first seen in our listings data 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Cambridgeshire Motor House in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £583 (4%) under the AskCar estimate of £11,833.

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 1,865 priced Audi A5 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,500: the median of the 121 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 Audi A5 advertised 1 day ago. About half of 2018 Audi A5 cars are gone from sale within a month of being advertised: 104 of the 204 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £11,250. 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 4 November 2026: valid until 15 July 2027.

It failed its MOT on 15 July 2026 (rear brake pad(s) less than 1.5 mm thick; windscreen wiper does not clear the windscreen effectively both) and passed 1 day later, on 16 July 2026.

There were no advisories at the latest test.

Mileage at that test: 78,274 miles, which matches the advertised 78,000 miles.

Advertised mileage is about 6,600 miles higher than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

5 other 2018 Audi A5 S Line 2.0 diesel manual coupes are for sale at UK dealers, from £8,495 to £12,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 2.0 diesel coupe, blue. Mileage: 81,542 miles. Price: £12,995, £1,745 more than this car. Dealer: Regency Car Sales Elgin in Elgin. AskCar page: https://askcar.co.uk/car/audi-a5-2018-4fd631e2645b
• 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 70,000 miles. Price: £11,995, £745 more than this car. Dealer: Jefferies Farm Car Sales in Billingshurst. AskCar page: https://askcar.co.uk/car/audi-a5-2018-8c556cc036fc
• 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 88,498 miles. Price: £10,995, £255 less than this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a5-2018-a1c9a0661952