2018 Audi A5 2.0 TDI S Line
Price: £11,695. Fair price: £201 (1%) under the AskCar estimate of £11,896, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,865 priced Audi A5 adverts on AskCar as of 4 November 2026.
AskCar lists 1,911 used Audi A5 from 1,079 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: A5
- Trim: S Line
- Version: 2.0 TDI S Line S tronic 4WD Euro 6 (s/s) 2dr (187 bhp)
- Year: 2018
- Mileage: 99,072 miles
- Fuel: Diesel
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 187 bhp
- Gearbox: Automatic (S tronic)
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 118 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 99,072 miles, this 2018 Audi A5 S Line has covered about 27,700 more miles than other 2018 Audi A5 cars. The AskCar estimate for this car is £11,896. It is priced at £11,695, which is £201 below that estimate. The AskCar estimate uses 1,865 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 61 days ago. Its asking price has since fallen by £100. Our records show an MOT expiry date of 15 August 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. It is advertised by Switch Cars in Southall. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £201 (1%) under the AskCar estimate of £11,896.
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 61 days.
Price history
AskCar first saw this advert on 4 September 2026 at £11,795. Its asking price is now £11,695, £100 less. The latest price cut was seen on 11 September 2026.
Price changes recorded:
- 4 September 2026: £11,795
- 11 September 2026: £11,595
- 12 September 2026: £11,695
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 15 August 2026; ask the dealer for the current MOT.
It has had 8 MOTs. The latest, on 13 August 2025, passed.
Advisories at the latest test: brake disc worn, pitted or scored, but not seriously weakened all four, NSF&OSF + NSR&OSR very worn, very pitted.
Mileage at that test: 75,554 miles, which matches the advertised 99,072 miles.
Advertised mileage is about 27,700 miles higher 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, grey. Mileage: 99,386 miles. Price: £10,350, £1,345 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a5-2018-ade58d8c0df7
- 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 101,797 miles. Price: £10,890, £805 less than this car. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a5-2018-2a5331ca5d29
- 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 90,000 miles. Price: £11,995, £300 more than this car. Dealer: MT Motors ( Gildersome ) in Leeds. AskCar page: https://askcar.co.uk/car/audi-a5-2018-b777347bc6d0
- The nearest: 2018 Audi A5 S Line, 2.0 diesel coupe, black, 11 miles from this car. Mileage: 58,700 miles. Price: £13,150, £1,455 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-2018-8433c8946770
Browse all Audi A5 cars for sale · 2018 Audi A5 price guide
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Photos
58 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.