Used Porsche 718 Cayman for sale near Watford
There are 34 used Porsche 718 Cayman for sale from UK dealers within 20 miles of Watford on AskCar, as of 14 November 2026. Typical asking price £51,500 (the median: half cost less, half cost more). The cheapest is £27,000. AskCar lists 356 used Porsche 718 Cayman across the UK, from 218 dealerships.
The middle half of the 34 cars are priced between £43,000 and £71,000.
As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 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
7 of the 34 Porsche 718 Cayman within 20 miles of Watford had their price reduced in the last 14 days to 14 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 345 priced Porsche 718 Cayman adverts on AskCar as of 14 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.
- 2018 Porsche 718 Cayman 2.5 GTS, 360 bhp, automatic, petrol, coupe, 2 doors, 2 seats, blue. Mileage: 24,000 miles. Price: £44,995, unchanged since AskCar first saw it on 11 August 2026, 95 days ago. Good value: £6,210 (12%) under the AskCar estimate of £51,205. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 September 2027. Dealer: Ace Prestige in Chalfont St Peter, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-eb12d0edc77b
- 2023 Porsche 718 Cayman 2.0, 295 bhp, automatic, petrol, coupe, 2 doors, 2 seats, yellow. Mileage: 6,900 miles. Price: £53,900, reduced by £1,000 from £54,900 since AskCar first saw it on 28 May 2026, 170 days ago. Good value: £7,053 (11%) under the AskCar estimate of £60,953. Euro 6 emissions standard. ULEZ compliant. Dealer: Twinstar in Wembley, 7 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-e4f214591cd9
- 2017 Porsche 718 Cayman 2.0, 296 bhp, automatic, petrol, coupe, 2 doors, 2 seats, white. Mileage: 21,267 miles. Price: £33,990, reduced by £700 from £34,690 since AskCar first saw it on 28 May 2026, 170 days ago. Good value: £3,458 (9%) under the AskCar estimate of £37,448. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 February 2027. Dealer: One Stop Car Sales in Willesden, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-75582d1f867e
- 2019 Porsche 718 Cayman 2.0, 295 bhp, automatic, petrol, coupe, 2 doors, 2 seats, blue. Mileage: 2,000 miles. Price: £46,000, reduced by £2,000 from £48,000 since AskCar first saw it on 2 July 2026, 135 days ago. Good value: £4,327 (8%) under the AskCar estimate of £50,327. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 June 2027. Dealer: Rsj Sports Cars in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2019-af85f9dcb76a
- 2019 Porsche 718 Cayman, automatic, petrol, coupe, 2 doors, 2 seats, silver. Mileage: 33,525 miles. Price: £44,900, unchanged since AskCar first saw it on 29 September 2026, 46 days ago. Fair price: £3,748 (7%) under the AskCar estimate of £48,648. Euro 6 emissions standard. ULEZ compliant. Dealer: Porsche Centre West London in London, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2019-a8e58736570f
- 2025 Porsche 718 Cayman, automatic, petrol, coupe, 2 doors, 2 seats, white. Mileage: 9,967 miles. Price: £62,490, reduced by £2,410 from £64,900 since AskCar first saw it on 29 September 2026, 46 days ago. Fair price: £3,643 (5%) under the AskCar estimate of £66,133. Euro 6 emissions standard. ULEZ compliant. Dealer: Porsche Centre Hatfield in Hatfield, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2025-4306e761bebc
- 2020 Porsche 718 Cayman 2.5 GTS, 359 bhp, automatic, petrol, coupe, 2 doors, 2 seats, white. Mileage: 25,000 miles. Price: £55,000, unchanged since AskCar first saw it on 24 October 2026, 21 days ago. Fair price: £2,334 (4%) under the AskCar estimate of £57,334. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 March 2027. Dealer: Rsj Sports Cars in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-6a1366078bfc
- 2022 Porsche 718 Cayman 4.0 GTS, 394 bhp, automatic, petrol, coupe, 2 doors, 2 seats, green. Mileage: 12,000 miles. Price: £68,950, reduced by £2,000 from £70,950 since AskCar first saw it on 26 September 2026, 49 days ago. Fair price: £2,856 (3%) under the AskCar estimate of £71,806. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 March 2027. Dealer: Guy Pope in Harpenden, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2022-292a84010ebf
- 2018 Porsche 718 Cayman 2.5 S, 345 bhp, automatic, petrol, coupe, 2 doors, 2 seats, grey. Mileage: 46,106 miles. Price: £39,455, unchanged since AskCar first saw it on 4 November 2026, 10 days ago. Fair price: £1,516 (3%) under the AskCar estimate of £40,971. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 May 2027. Dealer: Northridge Cars Hemel Hempstead in Hemel Hempstead, 7 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-ddbe0eb11e80
- 2019 Porsche 718 Cayman 2.0, 296 bhp, automatic, petrol, coupe, 2 doors, 2 seats, blue. Mileage: 60,731 miles. Price: £33,700, reduced by £800 from £34,500 since AskCar first saw it on 14 September 2026, 61 days ago. Fair price: £1,114 (3%) under the AskCar estimate of £34,814. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 13 November 2026; ask the dealer for the current MOT. Dealer: Car Planet Watford in Watford, 1 mile from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2019-adb0b543b879
- 2020 Porsche 718 Cayman 2.0, 295 bhp, automatic, petrol, coupe, 2 doors, 2 seats, red. Mileage: 31,000 miles. Price: £44,000, reduced by £1,000 from £45,000 since AskCar first saw it on 10 July 2026, 127 days ago. Fair price: £1,160 (2%) under the AskCar estimate of £45,160. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 29 August 2026; ask the dealer for the current MOT. Dealer: Rsj Sports Cars in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-f9e9cd9f6324
- 2022 Porsche 718 Cayman 4.0 GTS, 394 bhp, automatic, petrol, coupe, 2 doors, 2 seats, blue. Mileage: 15,100 miles. Price: £68,995, unchanged since AskCar first saw it on 7 October 2026, 38 days ago. Fair price: £1,767 (2%) under the AskCar estimate of £70,762. Euro 6 emissions standard. ULEZ compliant. Dealer: RPM Technik in Tring, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2022-dc8af9c4cb43
- 2019 Porsche 718 Cayman 2.5 GTS, 360 bhp, automatic, petrol, coupe, 2 doors, 2 seats, black. Mileage: 35,500 miles. Price: £48,999, reduced by £2,000 from £50,999 since AskCar first saw it on 3 October 2026, 42 days ago. Fair price: £1,220 (2%) under the AskCar estimate of £50,219. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 February 2027. Dealer: Emporium Auto House in Ware, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2019-0ac8b494332a
- 2019 Porsche 718 Cayman 2.0, 295 bhp, manual, petrol, coupe, 2 doors, 2 seats, black. Mileage: 23,000 miles. Price: £39,000, reduced by £3,000 from £42,000 since AskCar first saw it on 18 October 2026, 27 days ago. Fair price: £837 (2%) under the AskCar estimate of £39,837. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 June 2027. Dealer: Rsj Sports Cars in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2019-218f59077c7e
- 2020 Porsche 718 Cayman 4.0 GT4, 414 bhp, manual, petrol, coupe, 2 doors, 2 seats, red. Mileage: 5,800 miles. Price: £81,995, unchanged since AskCar first saw it on 13 November 2026, 1 day ago. Fair price: £1,597 (1%) under the AskCar estimate of £83,592. Euro 6 emissions standard. ULEZ compliant. Dealer: 911 Virgin in Iver, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-e29c0361f1fc
- 2023 Porsche 718 Cayman 4.0 GT4, 414 bhp, automatic, petrol, coupe, 2 doors, 2 seats, grey. Mileage: 18,690 miles. Price: £84,950, reduced by £1,550 from £86,500 since AskCar first saw it on 9 October 2026, 36 days ago. Fair price: £886 (1%) under the AskCar estimate of £85,836. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 January 2027. Dealer: Clive Sutton in St John's Wood, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-2869acf197f1
- 2022 Porsche 718 Cayman 4.0 GT4, 414 bhp, automatic, petrol, coupe, 2 doors, 2 seats, grey. Mileage: 22,785 miles. Price: £79,995, unchanged since AskCar first saw it on 29 October 2026, 16 days ago. Fair price: £301 (under 1%) under the AskCar estimate of £80,296. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 November 2026. Dealer: Ashgood Classic and Sportscars in Horton, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2022-f0e748ed3de2
- 2022 Porsche 718 Cayman, automatic, petrol, coupe, 2 doors, 2 seats, grey. Mileage: 24,209 miles. Price: £71,900, unchanged since AskCar first saw it on 1 October 2026, 44 days ago. Fair price: £213 (under 1%) over the AskCar estimate of £71,687. Euro 6 emissions standard. ULEZ compliant. Dealer: Porsche Centre West London in London, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2022-c1a4bf788dd1
- 2023 Porsche 718 Cayman 4.0 GT4 RS, 493 bhp, automatic, petrol, coupe, 2 doors, 2 seats, grey. Mileage: 18,700 miles. Price: £121,995, unchanged since AskCar first saw it on 29 October 2026, 16 days ago. Fair price: £375 (under 1%) over the AskCar estimate of £121,620. Euro 6 emissions standard. ULEZ compliant. Dealer: RPM Technik in Tring, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2023-c61c177c517c
- 2025 Porsche 718 Cayman 4.0 GTS, 394 bhp, automatic, petrol, coupe, 2 doors, 2 seats, blue. Mileage: 4,800 miles. Price: £86,000, unchanged since AskCar first saw it on 30 September 2026, 45 days ago. Fair price: £444 (under 1%) over the AskCar estimate of £85,556. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Clive Sutton in St John's Wood, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2025-365d33613cb3
- 2019 Porsche 718 Cayman 2.0, 295 bhp, automatic, petrol, coupe, 2 doors, 2 seats, blue. Mileage: 34,000 miles. Price: £42,000, unchanged since AskCar first saw it on 7 November 2026, 7 days ago. Fair price: £625 (1%) over the AskCar estimate of £41,375. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 31 May 2027. Dealer: Rsj Sports Cars in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2019-b00b847437c1
- 2018 Porsche 718 Cayman 2.5 GTS, 360 bhp, automatic, petrol, coupe, 2 doors, 2 seats. Mileage: 50,000 miles. Price: £44,999, unchanged since AskCar first saw it on 28 September 2026, 47 days ago. Fair price: £789 (1%) over the AskCar estimate of £44,210. Euro 6 emissions standard. ULEZ compliant. Dealer: MSK Cars in London, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-363798003d72
- 2018 Porsche 718 Cayman 2.5 S, 345 bhp, automatic, petrol, coupe, 2 doors, 2 seats, silver. Mileage: 41,000 miles. Price: £43,000, unchanged since AskCar first saw it on 31 October 2026, 14 days ago. Fair price: £771 (1%) over the AskCar estimate of £42,229. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 June 2027. Dealer: Rsj Sports Cars in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-21a5b259d348
- 2019 Porsche 718 Cayman 2.5 GTS, 359 bhp, automatic, petrol, coupe, 2 doors, 2 seats, orange. Mileage: 38,000 miles. Price: £53,000, reduced by £2,000 from £55,000 since AskCar first saw it on 24 October 2026, 21 days ago. Fair price: £1,376 (2%) over the AskCar estimate of £51,624. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 December 2026. Dealer: Rsj Sports Cars in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2019-73ee1a420d67
- 2017 Porsche 718 Cayman 2.0, 296 bhp, automatic, petrol, coupe, 2 doors, 2 seats, black. Mileage: 77,919 miles. Price: £27,000, unchanged since AskCar first saw it on 10 November 2026, 4 days ago. Fair price: £782 (2%) over the AskCar estimate of £26,218. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 June 2027. Dealer: MB Brent Park in London, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2017-6620036c94c2
- 2020 Porsche 718 Cayman 4.0 GT4, 414 bhp, manual, petrol, coupe, 2 doors, 2 seats, blue. Mileage: 11,000 miles. Price: £82,995, unchanged since AskCar first saw it on 27 October 2026, 18 days ago. Fair price: £3,052 (3%) over the AskCar estimate of £79,943. Euro 6 emissions standard. ULEZ compliant. Dealer: RPM Technik in Tring, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-5fe22bd5a1d4
- 2024 Porsche 718 Cayman 2.0, 295 bhp, manual, petrol, coupe, 2 doors, 2 seats. Mileage: 11,000 miles. Price: £62,495, unchanged since AskCar first saw it on 30 September 2026, 45 days ago. Fair price: £2,631 (4%) over the AskCar estimate of £59,864. Euro 6 emissions standard. ULEZ compliant. Dealer: Goldseal (London) Garages in Virginia Water, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2024-dc44d2066edc
- 2016 Porsche 718 Cayman 2.5 S, 345 bhp, automatic, petrol, coupe, 2 doors, 2 seats, silver. Mileage: 51,000 miles. Price: £38,000, unchanged since AskCar first saw it on 24 October 2026, 21 days ago. Fair price: £2,074 (5%) over the AskCar estimate of £35,926. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 November 2026. Dealer: Rsj Sports Cars in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2016-39cdcdd01905
- 2021 Porsche 718 Cayman 4.0 GTS, 394 bhp, manual, petrol, coupe, 2 doors, 2 seats, grey. Mileage: 34,740 miles. Price: £62,497, unchanged since AskCar first saw it on 28 August 2026, 78 days ago. Fair price: £3,429 (5%) over the AskCar estimate of £59,068. Euro 6 emissions standard. ULEZ compliant. Dealer: M R Sportscars in Codicote, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2021-b2ed3233652b
- 2020 Porsche 718 Cayman 4.0 GT4, 414 bhp, manual, petrol, coupe, 2 doors, 2 seats, black. Mileage: 12,345 miles. Price: £84,995, unchanged since AskCar first saw it on 4 November 2026, 10 days ago. Fair price: £5,559 (7%) over the AskCar estimate of £79,436. Euro 6 emissions standard. ULEZ compliant. Dealer: 911 Virgin in Iver, 9 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-eac8905658a8
- 2019 Porsche 718 Cayman 2.0, 296 bhp, manual, petrol, coupe, 2 doors, 2 seats, silver. Mileage: 54,842 miles. Price: £36,995, reduced by £1,000 from £37,995 since AskCar first saw it on 20 October 2026, 25 days ago. Above the going rate: £3,905 (11%) over the AskCar estimate of £33,090. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 April 2027. Dealer: Ashgood Classic and Sportscars in Horton, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2019-427c87a1a875
- 2018 Porsche 718 Cayman 2.0, 296 bhp, automatic, petrol, coupe, 2 doors, 2 seats, green. Mileage: 20,000 miles. Price: £50,000, unchanged since AskCar first saw it on 6 August 2026, 100 days ago. Above the going rate: £8,033 (19%) over the AskCar estimate of £41,967. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 28 February 2022; ask the dealer for the current MOT. Dealer: FS Motors in Hounslow West, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-baba90020c1c
- 2020 Porsche 718 Cayman 4.0 GT4, 414 bhp, manual, petrol, coupe, 2 doors, 2 seats, blue. Mileage: 26,000 miles. Price: £73,995, unchanged since AskCar first saw it on 14 November 2026. Fair price: £477 (under 1%) under the AskCar estimate of £74,472. Euro 6 emissions standard. ULEZ compliant. Dealer: RPM Technik in Tring, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2020-fc82f58c1859
- 2018 Porsche 718 Cayman 2.0 S, 295 bhp, manual, petrol, coupe, 2 doors, 2 seats, orange. Mileage: 28,000 miles. Price: £44,781, unchanged since AskCar first saw it on 4 November 2026, 10 days ago. Above the going rate: £5,330 (13%) over the AskCar estimate of £39,451. Euro 6 emissions standard. ULEZ compliant. Dealer: 2911 in Burnham, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/porsche-718-cayman-2018-6ad85727908b
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