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: 29,250 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Red
• CO2: 111 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line has covered 29,250 miles, around 42,100 fewer miles than is typical for its age. Priced at £16,590, it is advertised £134 below the AskCar estimate of £16,724. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. We first recorded this car for sale 74 days ago. The recorded MOT expired on 1 September 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. It is advertised by Select Car Superstore 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: £134 (under 1%) under the AskCar estimate of £16,724.

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

This 2018 Audi A5 has been on sale for at least 74 days.

Price history

AskCar first saw this advert on 22 August 2026 at £16,590. 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: the latest record we hold ran out on 1 September 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 20 August 2025, passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 24,540 miles, which matches the advertised 29,250 miles.

Advertised mileage is about 42,100 miles lower than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

17 other 2018 Audi A5 S Line 2.0 diesel automatic coupes are for sale at UK dealers, from £9,499 to £18,999, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 23,000 miles. Price: £18,999, £2,409 more than this car. Dealer: AB Car Sales in Gunnislake. AskCar page: https://askcar.co.uk/car/audi-a5-2018-490b1322a4f4
• 2018 Audi A5 S Line, 2.0 diesel coupe, silver. Mileage: 51,056 miles. Price: £14,995, £1,595 less than this car. Dealer: Carzy in Manchester. AskCar page: https://askcar.co.uk/car/audi-a5-2018-61ea0ddd496f
• 2018 Audi A5 S Line, 2.0 diesel coupe, black. Mileage: 58,700 miles. Price: £13,150, £3,440 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-2018-8433c8946770

• The nearest: 2018 Audi A5 S Line, 2.0 diesel coupe, white, 1 miles from this car. Mileage: 110,500 miles. Price: £9,499, £7,091 less than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a5-2018-fabf06a07cd5