2018 Audi Q8 S Line prices
There are 23 used 2018 Audi Q8 S Line cars for sale from UK dealers on AskCar, as of 12 November 2026. Typical asking price £30,000 (the median: half cost less, half cost more). The cheapest is £22,950. The middle half are priced between £28,000 and £31,500. Median mileage: about 68,000 miles.
Dealers lowered the asking price on more than a quarter of 2018 Audi Q8 S Line cars: 6 of the 23 in the 14 days to 12 November 2026.
2018 Audi Q8 S Line prices by engine and mileage
| Engine | All mileages | Under 20,000 miles | 20,000 to 40,000 miles | 40,000 to 60,000 miles | 60,000 miles or more |
|---|---|---|---|---|---|
| 3.0 diesel | £30,000 | Too few for sale | Too few for sale | Too few for sale | Too few for sale |
Typical asking prices are of 2018 Audi Q8 S Line cars for sale on 12 November 2026, and are given only where at least 20 cars with a price are for sale.
2018 Audi Q8 S Line against other years
A 2019 Audi Q8 S Line car has a typical asking price of £30,000, as of 12 November 2026.
AskCar lists 451 used Audi Q8 across the UK, from 309 dealerships.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
2018 Audi Q8 S Line cars for sale now, page 2 of 2
This page lists 2018 Audi Q8 S Line cars not picked out on page 1, cheapest first.
The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 446 priced Audi Q8 adverts on AskCar as of 12 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 Audi Q8 S Line.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.
This list leaves out 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.
- 2018 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 70,000 miles. Price: £29,995, reduced by £1,500 from £31,495 since AskCar first saw it on 28 May 2026, 168 days ago. Fair price: £86 (under 1%) over the AskCar estimate of £29,909. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 5 August 2026; ask the dealer for the current MOT. Dealer: Yorkshire Vehicle Solutions Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/audi-q8-2018-a8806f41dea6
- 2018 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 69,700 miles. Price: £31,995, unchanged since AskCar first saw it on 25 September 2026, 48 days ago. Fair price: £2,029 (6%) over the AskCar estimate of £29,966. Euro 6 emissions standard. ULEZ compliant. Dealer: Autolab Select in Blackburn. AskCar page: https://askcar.co.uk/car/audi-q8-2018-bb79e8499958
Audi Q8 by gearbox, fuel and body
Audi Q8 prices by year
- 2026 (51 cars)
- 2025 (28 cars)
- 2024 (30 cars)
- 2023 (62 cars)
- 2022 (54 cars)
- 2021 (45 cars)
- 2020 (46 cars)
- 2019 (99 cars)
- 2018 (36 cars)
Audi Q8 by trim
Audi Q8 by price
Audi Q8 near you
- In England (378 cars)
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- Near Bromley (43 cars)
- Near Harlow (41 cars)
- Near Bolton (40 cars)
- Near Manchester (39 cars)
- Near Sutton (39 cars)
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