2020 Audi Q8 S Line prices
There are 23 used 2020 Audi Q8 S Line cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £31,000 (the median: half cost less, half cost more). The cheapest is £24,995. The middle half are priced between £30,000 and £33,500. Median mileage: about 57,000 miles.
Dealers lowered the asking price on more than a third of 2020 Audi Q8 S Line cars: 9 of the 23 in the 14 days to 8 November 2026.
2020 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 | £31,000 | Too few for sale | Too few for sale | Too few for sale | Too few for sale |
Typical asking prices are of 2020 Audi Q8 S Line cars for sale on 8 November 2026, and are given only where at least 20 cars with a price are for sale.
2020 Audi Q8 S Line against other years
A 2019 Audi Q8 S Line car has a typical asking price of £30,000, as of 8 November 2026.
AskCar lists 444 used Audi Q8 across the UK, from 301 dealerships.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
2020 Audi Q8 S Line cars for sale now, page 1 of 2
This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 22 of the 23 cars listed here meet these rules. Page 2 lists every other 2020 Audi Q8 S Line car, cheapest first, including the one the groups do not pick from.
The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 435 priced Audi Q8 adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2020 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.
Best value 2020 Audi Q8 S Line: priced furthest below the AskCar estimate
These 10 are priced 2% to 13% under their AskCar estimate. Their asking prices run from £28,998 to £34,750.
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 45,117 miles. Price: £30,150, reduced by £3,600 from £33,750 since AskCar first saw it on 6 July 2026, 125 days ago. Good value: £4,742 (13%) under the AskCar estimate of £34,892. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 December 2026. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-q8-2020-bb32f9adcfe3
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 34,012 miles. Price: £32,998, reduced by £4,000 from £36,998 since AskCar first saw it on 30 May 2026, 162 days ago. Good value: £3,733 (10%) under the AskCar estimate of £36,731. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 June 2027. Dealer: Arnold Clark Mercedes-Benz & smart of Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-q8-2020-8f348d317ead
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 21,788 miles. Price: £34,750, reduced by £6,250 from £41,000 since AskCar first saw it on 9 July 2026, 122 days ago. Good value: £3,766 (9%) under the AskCar estimate of £38,516. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 December 2026. Dealer: Sytner Group Leicester Audi in Leicester. AskCar page: https://askcar.co.uk/car/audi-q8-2020-5d7bee5dd1bc
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, blue. Mileage: 56,426 miles. Price: £30,050, unchanged since AskCar first saw it on 8 November 2026. Good value: £3,065 (9%) under the AskCar estimate of £33,115. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 July 2027. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-q8-2020-084ce4ac4804
- 2020 Audi Q8 3.0 TFSI V6 S Line, 335 bhp, automatic, petrol, SUV, 5 doors, silver. Mileage: 39,397 miles. Price: £32,850, reduced by £1,600 from £34,450 since AskCar first saw it on 19 September 2026, 50 days ago. Good value: £2,954 (8%) under the AskCar estimate of £35,804. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 May 2027. Dealer: Group 1 Automotive Hatfield Audi in Hatfield. AskCar page: https://askcar.co.uk/car/audi-q8-2020-2d5a1d994fe2
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 63,307 miles. Price: £29,998, reduced by £500 from £30,498 since AskCar first saw it on 8 October 2026, 31 days ago. Fair price: £1,897 (5%) under the AskCar estimate of £31,895. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 October 2027. Dealer: Arnold Clark Wallsend Silverlink Citroen / Peugeot / Jeep / OMODA / JAECOO in Wallsend. AskCar page: https://askcar.co.uk/car/audi-q8-2020-7fc66d4409a5
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 56,882 miles. Price: £31,200, reduced by £300 from £31,500 since AskCar first saw it on 10 October 2026, 29 days ago. Fair price: £1,845 (5%) under the AskCar estimate of £33,045. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 December 2026. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-q8-2020-db2f965dc220
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 53,000 miles. Price: £31,990, unchanged since AskCar first saw it on 30 October 2026, 9 days ago. Fair price: £1,653 (4%) under the AskCar estimate of £33,643. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 May 2027. Dealer: Group 1 Automotive Macclesfield Audi in Macclesfield. AskCar page: https://askcar.co.uk/car/audi-q8-2020-412d2c311b1c
- 2020 Audi Q8 3.0 S line, 281 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 56,559 miles. Price: £29,995, unchanged since AskCar first saw it on 7 November 2026, 1 day ago. Fair price: £988 (3%) under the AskCar estimate of £30,982. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 October 2027. Dealer: Park's Honda Ayr in Ayr. AskCar page: https://askcar.co.uk/car/audi-q8-2020-bfdd7095b0af
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 73,609 miles. Price: £28,998, reduced by £1,000 from £29,998 since AskCar first saw it on 17 September 2026, 52 days ago. Fair price: £876 (2%) under the AskCar estimate of £29,874. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 September 2027. Dealer: Arnold Clark Lenzie Vauxhall in Lenzie. AskCar page: https://askcar.co.uk/car/audi-q8-2020-fd7b42f60629
Cheapest 2020 Audi Q8 S Line: the lowest asking prices
These 10 are priced £24,995 to £30,150. They have covered 45,117 to 114,000 miles.
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 114,000 miles. Price: £24,995, reduced by £4,000 from £28,995 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £1,713 (7%) over the AskCar estimate of £23,282. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 December 2026. Dealer: H & M Cars Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/audi-q8-2020-86241081f10b
- 2020 Audi Q8 3.0 S Line, automatic, diesel, SUV, 5 doors, 7 seats, grey. Mileage: 81,000 miles. Price: £26,990, reduced by £1,005 from £27,995 since AskCar first saw it on 11 August 2026, 89 days ago. Above the going rate: £2,003 (8%) over the AskCar estimate of £24,987. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 10 September 2026; ask the dealer for the current MOT. Dealer: Raymond Smith Garages in Bedford. AskCar page: https://askcar.co.uk/car/audi-q8-2020-265af56e6f65
- 2020 Audi Q8 3.0 TFSI V6 S Line, 335 bhp, automatic, petrol, SUV, 5 doors, blue. Mileage: 97,008 miles. Price: £26,995, reduced by £1,500 from £28,495 since AskCar first saw it on 6 October 2026, 33 days ago. Fair price: £1,266 (4%) over the AskCar estimate of £25,729. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 September 2027. Dealer: Group 1 Assured Hailsham in Hailsham. AskCar page: https://askcar.co.uk/car/audi-q8-2020-77af1cda4bd6
- 2020 Audi Q8 3.0 TDI V6 S Line: £28,998, 73,609 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TFSI V6 S Line, 335 bhp, automatic, petrol, SUV, 5 doors, grey. Mileage: 91,710 miles. Price: £29,759, reduced by £236 from £29,995 since AskCar first saw it on 26 July 2026, 105 days ago. Above the going rate: £3,149 (11%) over the AskCar estimate of £26,610. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 9 September 2025; ask the dealer for the current MOT. Dealer: MK Motors in London. AskCar page: https://askcar.co.uk/car/audi-q8-2020-9a6668d8bc2e
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, black. Mileage: 75,024 miles. Price: £29,995, unchanged since AskCar first saw it on 31 October 2026, 8 days ago. Fair price: £389 (1%) over the AskCar estimate of £29,606. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 February 2027. Dealer: Magna Motor Group in Warrington. AskCar page: https://askcar.co.uk/car/audi-q8-2020-a513ebcbd8c1
- 2020 Audi Q8 3.0 S line: £29,995, 56,559 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TDI V6 S Line: £29,998, 63,307 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TDI V6 S Line: £30,050, 56,426 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TDI V6 S Line: £30,150, 45,117 miles. Listed in full under best value.
Lowest-mileage 2020 Audi Q8 S Line
These 10 have covered 21,788 to 56,426 miles. Their asking prices run from £30,050 to £39,968.
- 2020 Audi Q8 3.0 TDI V6 S Line: £34,750, 21,788 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 S line, 281 bhp, automatic, diesel, SUV, 5 doors, white. Mileage: 24,525 miles. Price: £34,990, reduced by £2,959 from £37,949 since AskCar first saw it on 16 August 2026, 84 days ago. Fair price: £722 (2%) under the AskCar estimate of £35,712. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 18 October 2026; ask the dealer for the current MOT. Dealer: Lookers in Belfast. AskCar page: https://askcar.co.uk/car/audi-q8-2020-8e1e3eae78bd
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, silver. Mileage: 33,776 miles. Price: £39,968, reduced by £5,532 from £45,500 since AskCar first saw it on 14 August 2026, 86 days ago. Above the going rate: £3,197 (8%) over the AskCar estimate of £36,771. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 August 2027. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-q8-2020-e8d460f5bf5a
- 2020 Audi Q8 3.0 TDI V6 S Line: £32,998, 34,012 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TFSI V6 S Line: £32,850, 39,397 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TDI V6 S Line: £30,150, 45,117 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 48,090 miles. Price: £35,995, unchanged since AskCar first saw it on 21 October 2026, 18 days ago. Fair price: £1,579 (4%) over the AskCar estimate of £34,416. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 November 2026. Dealer: S J Davidson Motors in Dungannon. AskCar page: https://askcar.co.uk/car/audi-q8-2020-652fc41a2a75
- 2020 Audi Q8 3.0 TDI V6 S Line: £31,990, 53,000 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TDI V6 S Line, 282 bhp, automatic, diesel, SUV, 5 doors, grey. Mileage: 55,875 miles. Price: £33,790, unchanged since AskCar first saw it on 10 October 2026, 29 days ago. Fair price: £591 (1%) over the AskCar estimate of £33,199. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 June 2027. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/audi-q8-2020-709d8a3c53c9
- 2020 Audi Q8 3.0 TDI V6 S Line: £30,050, 56,426 miles. Listed in full under best value.
Recently reduced 2020 Audi Q8 S Line: the biggest price reductions in the 14 days to 8 November 2026
The dealer lowered the asking price on each of these 9 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £300 to £6,250.
- 2020 Audi Q8 3.0 TDI V6 S Line: £34,750, 21,788 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TDI V6 S Line: £24,995, 114,000 miles. Listed in full under cheapest.
- 2020 Audi Q8 3.0 TDI V6 S Line: £30,150, 45,117 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 S line: £34,990, 24,525 miles. Listed in full under lowest mileage.
- 2020 Audi Q8 3.0 TFSI V6 S Line: £32,850, 39,397 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TFSI V6 S Line: £26,995, 97,008 miles. Listed in full under cheapest.
- 2020 Audi Q8 3.0 S Line: £26,990, 81,000 miles. Listed in full under cheapest.
- 2020 Audi Q8 3.0 TDI V6 S Line: £29,998, 63,307 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 TDI V6 S Line: £31,200, 56,882 miles. Listed in full under best value.
Newly advertised 2020 Audi Q8 S Line: first seen by AskCar in the 7 days to 8 November 2026
These 2 are the most recently advertised. Cars first seen on the same day are listed cheapest first.
- 2020 Audi Q8 3.0 TDI V6 S Line: £30,050, 56,426 miles. Listed in full under best value.
- 2020 Audi Q8 3.0 S line: £29,995, 56,559 miles. Listed in full under best value.
Page 2: every other 2020 Audi Q8 S Line car, cheapest first
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