2018 Audi Q5 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q5
• Trim: S Line
• Version: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2018
• Mileage: 29,136 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi Q5 S Line has covered 29,136 miles, around 40,100 fewer miles than is typical for its age. Its asking price of £18,300 is £2,389 below the AskCar estimate of £20,689. To work out the AskCar estimate, we analyse UK dealer adverts for 3,083 Audi Q5 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 143 days, and its asking price is down £3,450. The government's MOT record matches its advertised mileage. You can find this car at Car Planet Barnet in New Southgate. 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: £2,389 (11%) under the AskCar estimate of £20,689.

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 3,083 priced Audi Q5 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi Q5 with the 2.0 diesel engine is typically advertised at £16,400: the median of the 225 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2018 Audi Q5 has been on sale for at least 143 days, and its asking price has been cut by £3,450. About half of 2018 Audi Q5 cars are gone from sale within a month of being advertised: 139 of the 273 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 12 June 2026 at £21,750. Its asking price is now £18,300, £3,450 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 19 June 2026: £21,750
• 25 June 2026: £21,450
• 2 July 2026: £21,150
• 8 July 2026: £20,950
• 17 July 2026: £20,900
• 23 July 2026: £20,850
• 29 July 2026: £20,800
• 8 August 2026: £20,750
• 15 August 2026: £20,700
• 21 August 2026: £20,650
• 27 August 2026: £20,600
• 3 September 2026: £20,550
• 9 September 2026: £20,450
• 15 September 2026: £20,400
• 22 September 2026: £20,100
• 28 September 2026: £19,800
• 4 October 2026: £19,500
• 9 October 2026: £19,200
• 16 October 2026: £18,900
• 21 October 2026: £18,600
• 27 October 2026: £18,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 8 July 2027.

It has had 8 MOTs. The latest, on 9 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,437 miles, which matches the advertised 29,136 miles.

Advertised mileage is about 40,100 miles lower than the median mileage of a 2018 Audi Q5 on AskCar.

Similar cars

92 other 2018 Audi Q5 S Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £11,750 to £20,450, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi Q5 S Line, 2.0 diesel SUV, black. Mileage: 33,865 miles. Price: £19,990, £1,690 more than this car. Dealer: NW Cars Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-q5-2018-ec3a36f6f7b3
• 2018 Audi Q5 S Line, 2.0 diesel SUV, grey. Mileage: 35,000 miles. Price: £18,940, £640 more than this car. Dealer: Grainger Motor Group Mantles BYD Royston in Royston. AskCar page: https://askcar.co.uk/car/audi-q5-2018-89e8ab3c6441
• 2018 Audi Q5 S Line, 2.0 diesel SUV, grey. Mileage: 40,396 miles. Price: £18,550, £250 more than this car. Dealer: Evans Halshaw Citroen Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/audi-q5-2018-3fdb5a7898f2

• The nearest: 2018 Audi Q5 S Line, 2.0 diesel SUV, black, under a mile from this car. Mileage: 90,679 miles. Price: £14,250, £4,050 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-q5-2018-55cd02486586