2018 Audi Q3 1.4 TFSI CoD S Line Edition

Overview

• Make: Audi
• Model: Q3
• Trim: S Line Edition
• Version: 1.4 TFSI CoD S Line Edition S tronic FWD Euro 6 (s/s) 5dr (148 bhp)
• Year: 2018
• Mileage: 20,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.4 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 Audi Q3 S Line Edition is 20,000 miles. Its asking price of £16,785 is £398 above the AskCar estimate of £16,387. The AskCar estimate uses UK dealer asking prices, including 3,432 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 60 days ago. Its asking price has since fallen by £215. The latest MOT recorded 20,789 miles, above the advertised mileage. Check this with the dealer. MOT records show an expiry date of 18 June 2027. It is advertised by Harris Cars in Southampton. 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

Fair price: £398 (2%) over the AskCar estimate of £16,387.

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 3,432 priced Audi Q3 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi Q3 with the 1.4 petrol engine is typically advertised at £12,700: the median of the 121 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi Q3 has been on sale for at least 60 days.

Price history

AskCar first saw this advert on 3 September 2026 at £17,000. Its asking price is now £16,785, £215 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 3 September 2026: £17,000
• 23 October 2026: £16,785

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 June 2027.

It failed its MOT on 18 June 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed 1 day later, on 19 June 2026.

There were no advisories at the latest test.

Mileage at that test: 20,789 miles. The advert says 20,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 40,000 miles lower than the median mileage of a 2018 Audi Q3 on AskCar.

Similar cars

23 other 2018 Audi Q3 S Line Edition 1.4 petrol automatic SUVs are for sale at UK dealers, from £10,899 to £18,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi Q3 S Line Edition, 1.4 petrol SUV, grey. Mileage: 22,453 miles. Price: £15,460, £1,325 less than this car. Dealer: Evans Halshaw Vauxhall Horsforth in Horsforth. AskCar page: https://askcar.co.uk/car/audi-q3-2018-b9a8e40d3dd5
• 2018 Audi Q3 S Line Edition, 1.4 petrol SUV, black. Mileage: 22,609 miles. Price: £16,295, £490 less than this car. Dealer: A & A Auto Sales in Oundle. AskCar page: https://askcar.co.uk/car/audi-q3-2018-468e0e30be61
• 2018 Audi Q3 S Line Edition, 1.4 petrol SUV, black. Mileage: 29,946 miles. Price: £13,989, £2,796 less than this car. Dealer: Gold Cars in Evesham. AskCar page: https://askcar.co.uk/car/audi-q3-2018-25c09da2b3e7

• The nearest: 2018 Audi Q3 S Line Edition, 1.4 petrol SUV, black, 4 miles from this car. Mileage: 84,000 miles. Price: £11,495, £5,290 less than this car. Dealer: Eclipse Car Sales in Winchester. AskCar page: https://askcar.co.uk/car/audi-q3-2018-ef61427a1654