2018 Audi Q3 1.5 TFSI CoD S Line
Price: £18,500. Above the going rate: £2,103 (12%) over the AskCar estimate of £16,397, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,467 priced Audi Q3 adverts on AskCar as of 10 November 2026.
AskCar lists 3,515 used Audi Q3 from 1,636 UK dealerships, as of 10 November 2026.
Overview
- Make: Audi
- Model: Q3
- Trim: S Line
- Version: 1.5 TFSI CoD 35 S Line S tronic FWD Euro 6 (s/s) 5dr (148 bhp)
- Year: 2018
- Mileage: 50,257 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 158 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi Q3 S Line has covered 50,257 miles, around 10,600 fewer miles than is typical for its age. The dealer is asking £18,500, which is £2,103 above the AskCar estimate of £16,397. To work out the AskCar estimate, we analyse UK dealer adverts for 3,467 Audi Q3 cars across different ages and specifications. We have tracked this advert for 11 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Sytner Group West London Audi in Brentford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Sytner Group West London Audi is rated 4.4 out of 5 on Google.
Price
Above the going rate: £2,103 (12%) over the AskCar estimate of £16,397.
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 3,467 priced Audi Q3 adverts across different ages and specifications, as of 10 November 2026.
Time on sale
This 2018 Audi Q3 has been on sale for at least 11 days.
Price history
AskCar first saw this advert on 30 October 2026 at £18,500. 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 10 November 2026: valid until 27 December 2026.
It has had 6 MOTs. The latest, on 4 December 2025, passed.
Advisories at the latest test: front brake disc worn, but not excessively; nearside rear nail in tyre.
Mileage at that test: 41,614 miles, which matches the advertised 50,257 miles.
Advertised mileage is about 10,600 miles lower than the median mileage of a 2018 Audi Q3 on AskCar.
Similar cars
3 other 2018 Audi Q3 S Line 1.5 petrol automatic SUVs are for sale at UK dealers, from £14,620 to £16,950, as of 10 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 57,763 miles. Price: £15,999, £2,501 less than this car. Dealer: EMG Motor Group Haverhill in Haverhill. AskCar page: https://askcar.co.uk/car/audi-q3-2018-80f907c6520e
- 2018 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 41,450 miles. Price: £16,950, £1,550 less than this car. Dealer: Lookers in Newtownabbey. AskCar page: https://askcar.co.uk/car/audi-q3-2018-8974085fe744
- 2018 Audi Q3 S Line, 1.5 petrol SUV, white. Mileage: 67,570 miles. Price: £14,620, £3,880 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-q3-2018-9ee9bfe6d3e5
Browse all Audi Q3 cars for sale · 2018 Audi Q3 price guide
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Photos
22 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.