2018 Audi A5 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2018
• Mileage: 89,131 miles
• Fuel: Diesel
• Body: 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 89,131 miles on the clock, this 2018 Audi A5 S Line has done roughly 17,900 more miles than a typical 2018 Audi A5. The AskCar estimate for this car is £11,496. It is priced at £11,494, which is £2 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,868 Audi A5 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 20 days ago. Its asking price has since fallen by £200. The government's MOT record matches its advertised mileage. You can find this car at Car Vault in Welwyn Garden City. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £2 (under 1%) under the AskCar estimate of £11,496.

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 1,868 priced Audi A5 adverts across different ages and specifications, as of 5 November 2026.

A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,500: the median of the 120 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Audi A5 has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 16 October 2026 at £11,694. Its asking price is now £11,494, £200 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 16 October 2026: £11,694
• 21 October 2026: £11,494

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 16 February 2027.

It failed its MOT on 15 October 2026 (nearside front tyre tread depth below requirements of 1.6mm; offside front tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 16 October 2026.

There were no advisories at the latest test.

Mileage at that test: 89,152 miles, which matches the advertised 89,131 miles.

Advertised mileage is about 17,900 miles higher than the median mileage of a 2018 Audi A5 on AskCar.