Used BMW 8 Series for sale near Watford
There are 26 used BMW 8 Series for sale from UK dealers within 20 miles of Watford on AskCar, as of 9 November 2026. Typical asking price £33,000 (the median: half cost less, half cost more). The cheapest is £21,950. AskCar lists 193 used BMW 8 Series across the UK, from 161 dealerships.
The middle half of the 26 cars are priced between £28,000 and £38,500.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Watford
4 of the 26 BMW 8 Series within 20 miles of Watford had their price reduced in the last 14 days to 9 November 2026. Each one's line in the list below says by how much.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 185 priced BMW 8 Series adverts on AskCar as of 9 November 2026.
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, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2020 BMW 8 Series 3.0 840d, 316 bhp, automatic, diesel, coupe, 2 doors, 4 seats, black. Mileage: 60,000 miles. Price: £27,995, reduced by £500 from £28,495 since AskCar first saw it on 25 June 2026, 137 days ago. Fair price: £1,626 (5%) under the AskCar estimate of £29,621. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 19 August 2026; ask the dealer for the current MOT. Dealer: Motoring World London Motoring World in Hillingdon, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2020-74880c0ce360
- 2019 BMW 8 Series 4.4 M850i V8, 523 bhp, automatic, petrol, coupe, 2 doors, 4 seats, black. Mileage: 57,809 miles. Price: £32,989, reduced by £4,000 from £36,989 since AskCar first saw it on 28 May 2026, 165 days ago. Fair price: £1,820 (5%) under the AskCar estimate of £34,809. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 3 November 2026; ask the dealer for the current MOT. Dealer: The Hertford Car Company in Hertford, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-c9bdd417f4b7
- 2019 BMW 8 Series 4.4 M850i V8, 523 bhp, automatic, petrol, coupe, 2 doors, 4 seats, black. Mileage: 60,012 miles. Price: £33,000, unchanged since AskCar first saw it on 4 October 2026, 36 days ago. Fair price: £1,391 (4%) under the AskCar estimate of £34,391. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 December 2026. Dealer: Autoverse Club in Hillingdon, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-329ccdbfef4b
- 2022 BMW 8 Series 3.0 840d MHT M Sport, 335 bhp, automatic, diesel, coupe, 2 doors, 4 seats, black. Mileage: 32,000 miles. Price: £35,989, reduced by £2,000 from £37,989 since AskCar first saw it on 24 September 2026, 46 days ago. Fair price: £1,202 (3%) under the AskCar estimate of £37,191. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 April 2027. Dealer: Blackstone Motors in Brent, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2022-af22e6286b67
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, green. Mileage: 4,433 miles. Price: £40,751, unchanged since AskCar first saw it on 5 November 2026, 4 days ago. Fair price: £1,236 (2%) under the AskCar estimate of £41,987. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: BMW Park Lane in City of Westminster, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-d99107ae3df1
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, black. Mileage: 20,221 miles. Price: £37,421, unchanged since AskCar first saw it on 5 November 2026, 4 days ago. Fair price: £881 (2%) under the AskCar estimate of £38,302. Euro 6 emissions standard. ULEZ compliant. Dealer: BMW Park Lane in City of Westminster, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-19625c19ec9a
- 2020 BMW 8 Series 3.0 840i, 335 bhp, automatic, petrol, coupe, 2 doors, 4 seats, black. Mileage: 49,550 miles. Price: £28,390, reduced by £100 from £28,490 since AskCar first saw it on 15 September 2026, 55 days ago. Fair price: £385 (1%) under the AskCar estimate of £28,775. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 February 2027. Dealer: Hanar Cars (UK) in Hoddesdon, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2020-5d2ae341f272
- 2019 BMW 8 Series 3.0 840d, 316 bhp, automatic, diesel, coupe, 2 doors, 4 seats, black. Mileage: 68,600 miles. Price: £26,790, unchanged since AskCar first saw it on 3 August 2026, 98 days ago. Fair price: £320 (1%) under the AskCar estimate of £27,110. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 16 October 2026; ask the dealer for the current MOT. Dealer: Hanar Cars (UK) in Hoddesdon, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-cec734827beb
- 2021 BMW 8 Series 3.0 840i, 335 bhp, automatic, petrol, convertible, 2 doors, 4 seats, white. Mileage: 6,547 miles. Price: £38,995, unchanged since AskCar first saw it on 28 May 2026, 165 days ago. Fair price: £390 (under 1%) under the AskCar estimate of £39,385. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 January 2027. Dealer: VD Motor Group in London, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-cc12729b89ec
- 2019 BMW 8 Series 3.0 840d, 316 bhp, automatic, diesel, coupe, 2 doors, 4 seats, grey. Mileage: 79,000 miles. Price: £24,950, unchanged since AskCar first saw it on 3 November 2026, 6 days ago. Fair price: £199 (under 1%) under the AskCar estimate of £25,149. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 May 2027. Dealer: Farlan Automotive in Wembley, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-6b97dae0779b
- 2020 BMW 8 Series 3.0 840d, 316 bhp, automatic, diesel, coupe, 2 doors, 4 seats, black. Mileage: 68,450 miles. Price: £27,990, unchanged since AskCar first saw it on 12 September 2026, 58 days ago. Fair price: £123 (under 1%) over the AskCar estimate of £27,867. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 September 2027. Dealer: Rovia Cars in Waltham Cross, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2020-34af358a560b
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, 2 doors, 4 seats, grey. Mileage: 44,958 miles. Price: £36,000, unchanged since AskCar first saw it on 6 October 2026, 34 days ago. Fair price: £399 (1%) over the AskCar estimate of £35,601. Euro 6 emissions standard. ULEZ compliant. Dealer: MB Brent Park in London, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-e9dc50d9a83d
- 2018 BMW 8 Series 3.0 840d, 316 bhp, automatic, diesel, coupe, 2 doors, 4 seats, blue. Mileage: 77,324 miles. Price: £24,495, unchanged since AskCar first saw it on 2 November 2026, 7 days ago. Fair price: £350 (1%) over the AskCar estimate of £24,145. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 July 2027. Dealer: VD Motor Group in London, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2018-2f1fbfd70508
- 2018 BMW 8 Series 3.0 840d, 316 bhp, automatic, diesel, coupe, 2 doors, 4 seats, white. Mileage: 69,861 miles. Price: £25,950, unchanged since AskCar first saw it on 14 October 2026, 26 days ago. Fair price: £468 (1%) over the AskCar estimate of £25,482. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 23 February 2026; ask the dealer for the current MOT. Dealer: JS Prestige and Performance in Enfield, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2018-61a9ec0c3a97
- 2024 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, orange. Mileage: 17,820 miles. Price: £43,995, unchanged since AskCar first saw it on 4 October 2026, 36 days ago. Fair price: £1,016 (2%) over the AskCar estimate of £42,979. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Berry Thames Ditton BMW in Thames Ditton, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2024-8857f5ce637d
- 2022 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, 2 doors, 4 seats, grey. Mileage: 46,813 miles. Price: £34,490, unchanged since AskCar first saw it on 28 October 2026, 12 days ago. Fair price: £1,472 (4%) over the AskCar estimate of £33,018. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 July 2027. Dealer: Spire Cars UK in London, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2022-90905b3fcdfe
- 2019 BMW 8 Series 4.4 M850i V8, 523 bhp, automatic, petrol, coupe, 2 doors, 4 seats, black. Mileage: 80,000 miles. Price: £31,276, unchanged since AskCar first saw it on 27 September 2026, 43 days ago. Fair price: £1,506 (5%) over the AskCar estimate of £29,770. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 December 2026. Dealer: Auto Vuego Motors in Hillingdon, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-64ee3cdd0e11
- 2018 BMW 8 Series 3.0 840d, 316 bhp, automatic, diesel, coupe, 2 doors, 4 seats, black. Mileage: 92,000 miles. Price: £22,995, reduced by £500 from £23,495 since AskCar first saw it on 10 June 2026, 152 days ago. Fair price: £1,277 (5%) over the AskCar estimate of £21,718. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 March 2027. Dealer: Wheels Excellence in Chesham, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2018-a922728c1ed0
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, grey. Mileage: 23,966 miles. Price: £39,900, unchanged since AskCar first saw it on 21 October 2026, 19 days ago. Fair price: £2,218 (5%) over the AskCar estimate of £37,682. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 April 2027. Dealer: Berry Heathrow in Heathrow, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-d829169312ee
- 2022 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 28,000 miles. Price: £38,989, reduced by £3,000 from £41,989 since AskCar first saw it on 13 October 2026, 27 days ago. Fair price: £2,461 (6%) over the AskCar estimate of £36,528. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 December 2026. Dealer: Blackstone Motors in Brent, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2022-6ec06c0b1752
- 2019 BMW 8 Series 3.0 840d, 316 bhp, automatic, diesel, coupe, 2 doors, 4 seats, grey. Mileage: 108,700 miles. Price: £21,950, reduced by £1,500 from £23,450 since AskCar first saw it on 28 May 2026, 165 days ago. Fair price: £1,560 (7%) over the AskCar estimate of £20,390. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 May 2027. Dealer: Mega Motors Car Sales in West Molesey, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-8cbb2c55936f
- 2019 BMW 8 Series 3.0 840d, 315 bhp, automatic, diesel, convertible, 2 doors, 4 seats, black. Mileage: 75,125 miles. Price: £28,995, unchanged since AskCar first saw it on 14 August 2026, 87 days ago. Above the going rate: £2,806 (10%) over the AskCar estimate of £26,189. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 January 2027. Dealer: Smith Premier in Hemel Hempstead, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-c4ed1b4061ff
- 2022 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, grey. Mileage: 38,000 miles. Price: £37,995, unchanged since AskCar first saw it on 14 October 2026, 26 days ago. Above the going rate: £3,847 (11%) over the AskCar estimate of £34,148. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 July 2027. Dealer: Berry Thames Ditton BMW in Thames Ditton, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2022-c6d287686839
- 2022 BMW 8 Series 4.4 M850i V8, 523 bhp, automatic, petrol, coupe, 2 doors, 4 seats, blue. Mileage: 30,000 miles. Price: £56,995, unchanged since AskCar first saw it on 3 November 2026, 6 days ago. Above the going rate: £6,227 (12%) over the AskCar estimate of £50,768. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 February 2027. Dealer: NR Automotive in Ealing, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2022-e8ecab83c640
- 2019 BMW 8 Series 4.4, automatic, petrol, coupe, grey. Mileage: 18,500 miles. Price: £64,495, unchanged since AskCar first saw it on 28 May 2026, 165 days ago. Above the going rate: £28,627 (79%) over the AskCar estimate of £35,868. Dealer: Autoscout 48 in Hemel Hempstead, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-37753902970f
- 2019 BMW 8 Series 3.0 840d M Sport, 315 bhp, automatic, diesel, convertible, 2 doors, 4 seats. Price: £32,999, unchanged since AskCar first saw it on 24 October 2026, 16 days ago. Euro 6 emissions standard. ULEZ compliant. Dealer: MSK Cars in London, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2019-0f88dfafdae0
BMW 8 Series across the UK by price
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