Used convertible cars for sale near Boston
There are 33 used convertible cars for sale from UK dealers within 20 miles of Boston on AskCar, as of 7 November 2026. Typical asking price £15,400 (the median: half cost less, half cost more). The cheapest is £3,495.
The middle half of the 33 cars are priced between £8,500 and £26,000.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Boston
8 cars within 20 miles had their price reduced in the last 14 days to 7 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 priced adverts of its make and model on AskCar as of 7 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 Bentley Continental 4.0, 513 bhp, automatic, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 36,400 miles. Price: £61,495, unchanged since AskCar first saw it on 25 September 2026, 43 days ago. Good value: £7,518 (10%) under the AskCar estimate of £69,013. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 June 2027. Dealer: Baytree Car Sales in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/bentley-continental-2018-110f163ee4da
- 2014 Mazda MX-5 1.8 SE, 124 bhp, manual, petrol, convertible, 2 doors, 2 seats, white. Mileage: 44,567 miles. Price: £8,490, reduced by £400 from £8,890 since AskCar first saw it on 30 September 2026, 38 days ago. Good value: £869 (9%) under the AskCar estimate of £9,359. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 11 June 2027. Dealer: Strategic Vehicle Solutions in Boston, 6 miles from Boston. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2014-4b6d9fed302d
- 2012 Mercedes-Benz E Class 2.1 E250 CDI BlueEfficiency Sport, 201 bhp, automatic, diesel, convertible, 2 doors, 4 seats, black. Mileage: 130,312 miles. Price: £3,990, unchanged since AskCar first saw it on 5 November 2026, 2 days ago. Fair price: £308 (7%) under the AskCar estimate of £4,298. Euro 5 emissions standard. MOT: valid until 29 April 2027. Dealer: Strategic Vehicle Solutions in Boston, 6 miles from Boston. AskCar page: https://askcar.co.uk/car/mercedes-benz-e-class-2012-a764fe374592
- 2010 Audi TT 2.0 TFSI S Line Special Edition, 197 bhp, manual, petrol, convertible, 2 doors, 2 seats, white. Mileage: 74,000 miles. Price: £4,995, unchanged since AskCar first saw it on 6 October 2026, 32 days ago. Fair price: £261 (4%) under the AskCar estimate of £5,256. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 27 September 2027. Dealer: Baytree Car Sales in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/audi-tt-2010-476a86ee8387
- 2014 Audi A5 Cabriolet 2.0 TFSI, 221 bhp, automatic, petrol, convertible, 2 doors, 4 seats, silver. Mileage: 69,500 miles. Price: £8,995, reduced by £495 from £9,490 since AskCar first saw it on 17 September 2026, 51 days ago. Fair price: £464 (4%) under the AskCar estimate of £9,459. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 June 2027. Dealer: Grays of Holbeach in Spalding, 13 miles from Boston. AskCar page: https://askcar.co.uk/car/audi-a5-cabriolet-2014-bf8aea1458f1
- 2023 MINI Convertible 1.5, 134 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 18,806 miles. Price: £19,475, reduced by £2,500 from £21,975 since AskCar first saw it on 4 September 2026, 64 days ago. Fair price: £644 (3%) under the AskCar estimate of £20,119. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-convertible-2023-fcacc4fcb392
- 2025 MINI Cooper Convertible 2.0 Classic, 161 bhp, automatic, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 3,917 miles. Price: £23,975, reduced by £500 from £24,475 since AskCar first saw it on 18 October 2026, 20 days ago. Fair price: £790 (3%) under the AskCar estimate of £24,765. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-cooper-convertible-2025-5eff8009ad8e
- 2021 MINI Convertible 1.5 Cooper Classic, 134 bhp, manual, petrol, convertible, 2 doors, 4 seats, red. Mileage: 25,476 miles. Price: £13,975, reduced by £800 from £14,775 since AskCar first saw it on 11 September 2026, 57 days ago. Fair price: £303 (2%) under the AskCar estimate of £14,278. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 August 2027. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-544d06d0f29f
- 2021 MINI Convertible 1.5 Cooper Classic, 134 bhp, manual, petrol, convertible, 2 doors, 4 seats, red. Mileage: 25,477 miles. Price: £13,975, reduced by £800 from £14,775 since AskCar first saw it on 11 September 2026, 57 days ago. Fair price: £303 (2%) under the AskCar estimate of £14,278. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-68e41625745a
- 2015 Mercedes-Benz E Class 2.1 E250 CDI AMG Line, 201 bhp, automatic, diesel, convertible, 2 doors, 4 seats, silver. Mileage: 81,280 miles. Price: £8,990, unchanged since AskCar first saw it on 16 October 2026, 22 days ago. Fair price: £154 (1%) under the AskCar estimate of £9,144. Euro 5 emissions standard. MOT: valid until 18 September 2027. Dealer: Holbeach Cars in Spalding, 13 miles from Boston. AskCar page: https://askcar.co.uk/car/mercedes-benz-e-class-2015-50293c24bbef
- 2022 BMW Z4 3.0 M40i Sport, 335 bhp, automatic, petrol, convertible, 2 doors, 2 seats, white. Mileage: 22,691 miles. Price: £35,975, reduced by £1,520 from £37,495 since AskCar first saw it on 30 September 2026, 38 days ago. Fair price: £483 (1%) under the AskCar estimate of £36,458. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 July 2027. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-z4-2022-723f85d7825c
- 2022 BMW Z4 3.0 M40i, 335 bhp, automatic, petrol, convertible, 2 doors, 2 seats, white. Mileage: 22,690 miles. Price: £35,975, reduced by £1,520 from £37,495 since AskCar first saw it on 2 October 2026, 36 days ago. Fair price: £256 (under 1%) under the AskCar estimate of £36,231. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-z4-2022-7defa2e14e25
- 2011 Peugeot 308 CC 2.0 HDi GT, 138 bhp, manual, diesel, convertible, 2 doors, 4 seats, black. Mileage: 89,522 miles. Price: £3,495, unchanged since AskCar first saw it on 25 September 2026, 43 days ago. Fair price: £15 (under 1%) under the AskCar estimate of £3,510. Euro 5 emissions standard. MOT: valid until 28 January 2027. Dealer: One2one Vehicle Sales in Spalding, 15 miles from Boston. AskCar page: https://askcar.co.uk/car/peugeot-308-cc-2011-387096d62721
- 2024 MINI Convertible 2.0 John Cooper Works, 227 bhp, automatic, petrol, convertible, 2 doors, 4 seats, silver. Mileage: 10,644 miles. Price: £25,975, unchanged since AskCar first saw it on 28 October 2026, 10 days ago. Fair price: £109 (under 1%) over the AskCar estimate of £25,866. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-convertible-2024-ed6f6d088ce7
- 2008 Mercedes-Benz SL 6.3 SL63 AMG, 525 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 56,500 miles. Price: £22,995, unchanged since AskCar first saw it on 25 September 2026, 43 days ago. Fair price: £123 (under 1%) over the AskCar estimate of £22,872. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 26 May 2027. Dealer: Baytree Car Sales in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2008-ffdcd62abded
- 2015 Mercedes-Benz E Class 2.1 E220 BlueTEC AMG Line, 175 bhp, automatic, diesel, convertible, 2 doors, 4 seats, white. Mileage: 75,987 miles. Price: £9,490, unchanged since AskCar first saw it on 29 October 2026, 9 days ago. Fair price: £191 (2%) over the AskCar estimate of £9,299. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 9 May 2027. Dealer: Strategic Vehicle Solutions in Boston, 6 miles from Boston. AskCar page: https://askcar.co.uk/car/mercedes-benz-e-class-2015-2e5e33fcead7
- 2024 MINI Convertible 1.5, 134 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 19,356 miles. Price: £21,275, reduced by £700 from £21,975 since AskCar first saw it on 11 September 2026, 57 days ago. Fair price: £631 (3%) over the AskCar estimate of £20,644. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-convertible-2024-96b86c732215
- 2013 MINI Convertible 2.0 Cooper SD, 141 bhp, manual, diesel, convertible, 2 doors, 4 seats, red. Mileage: 89,000 miles. Price: £5,250, unchanged since AskCar first saw it on 3 November 2026, 4 days ago. Fair price: £294 (5%) over the AskCar estimate of £4,956. Euro 5 emissions standard. MOT: valid until 24 June 2027. Dealer: Windmill Motors in Bourne, 18 miles from Boston. AskCar page: https://askcar.co.uk/car/mini-convertible-2013-b42658d90102
- 2026 BMW 4 Series 3.0 M440i MHT, 386 bhp, automatic, petrol, convertible, black. Mileage: 4,875 miles. Price: £59,975, unchanged since AskCar first saw it on 19 September 2026, 49 days ago. Fair price: £3,377 (5%) over the AskCar estimate of £56,598. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: MINI UK at Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-4-series-2026-1f7ca0417580
- 2024 Mercedes-Benz SL 2.0 SL43 AMG, automatic, petrol, convertible, 2 doors, 4 seats, grey. Mileage: 6,496 miles. Price: £66,900, unchanged since AskCar first saw it on 15 October 2026, 23 days ago. Above the going rate: £5,153 (8%) over the AskCar estimate of £61,747. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Listers Mercedes-Benz of Boston in Boston, 2 miles from Boston. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2024-279e8004b9f3
- 2019 MINI Convertible 1.5 Cooper Exclusive, 134 bhp, manual, petrol, convertible, 2 doors, 4 seats, black. Mileage: 41,171 miles. Price: £13,475, reduced by £500 from £13,975 since AskCar first saw it on 1 October 2026, 37 days ago. Above the going rate: £1,107 (8%) over the AskCar estimate of £12,368. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 December 2026. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-convertible-2019-c2e426ebf396
- 2011 Fiat 500C 1.2 Lounge, 69 bhp, manual, petrol, convertible, 2 doors, 4 seats, red. Mileage: 58,150 miles. Price: £3,995, unchanged since AskCar first saw it on 13 July 2026, 117 days ago. Above the going rate: £406 (11%) over the AskCar estimate of £3,589. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT. Dealer: Peachwood Cars in Boston, 10 miles from Boston. AskCar page: https://askcar.co.uk/car/fiat-500c-2011-7de28169f3d2
- 2013 MINI Roadster 1.6 Cooper S, 181 bhp, manual, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 95,000 miles. Price: £4,795, unchanged since AskCar first saw it on 25 September 2026, 43 days ago. Above the going rate: £525 (12%) over the AskCar estimate of £4,270. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 24 September 2026; ask the dealer for the current MOT. Dealer: Baytree Car Sales in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/mini-roadster-2013-39158db41e58
- 2012 Audi A3 Cabriolet 1.2 TFSI Sport, 104 bhp, manual, petrol, convertible, 2 doors, 4 seats, white. Mileage: 102,000 miles. Price: £4,400, unchanged since AskCar first saw it on 13 June 2026, 147 days ago. Above the going rate: £645 (17%) over the AskCar estimate of £3,755. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 13 July 2026; ask the dealer for the current MOT. Dealer: H And K Autos in Lincoln, 17 miles from Boston. AskCar page: https://askcar.co.uk/car/audi-a3-cabriolet-2012-84613b9b07ac
- 2016 Land Rover Range Rover Evoque 2.0 TD4, 177 bhp, automatic, diesel, convertible, 2 doors, 4 seats, white. Mileage: 49,000 miles. Price: £14,795, unchanged since AskCar first saw it on 25 September 2026, 43 days ago. Above the going rate: £2,473 (20%) over the AskCar estimate of £12,322. Euro 6 emissions standard. ULEZ compliant. Dealer: Baytree Car Sales in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/land-rover-range-rover-evoque-2016-dae4af223e7e
- 2014 Volkswagen Beetle 2.0 TDI, 138 bhp, manual, diesel, convertible, 2 doors, 4 seats, blue. Mileage: 90,650 miles. Price: £8,395, reduced by £300 from £8,695 since AskCar first saw it on 10 August 2026, 89 days ago. Above the going rate: £1,501 (21%) over the AskCar estimate of £6,894. Euro 5 emissions standard. MOT: valid until 4 January 2027. Dealer: Grays of Holbeach in Spalding, 13 miles from Boston. AskCar page: https://askcar.co.uk/car/volkswagen-beetle-2014-dd9dc9552ef4
- 1990 Ford Escort 1.6 XR3i, 108 bhp, manual, petrol, convertible, 2 doors, blue. Mileage: 56,000 miles. Price: £15,995, unchanged since AskCar first saw it on 25 September 2026, 43 days ago. MOT: valid until 16 February 2027. Dealer: Baytree Car Sales in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/ford-escort-1990-503de94ae7e2
- 1990 Ford Escort 1.6 XR3i, 108 bhp, manual, petrol, convertible, 2 doors, 1 seats, blue. Mileage: 97,000 miles. Price: £18,495, unchanged since AskCar first saw it on 25 September 2026, 43 days ago. MOT: valid until 25 May 2027. Dealer: Baytree Car Sales in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/ford-escort-1990-74aa7b18e120
- MINI Cooper 1.5, 120 bhp, petrol, convertible, 3 doors, 4 seats. Price: £24,735, unchanged since AskCar first saw it on 14 August 2026, 85 days ago. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-cooper-52f1ea382655
- MINI Cooper 1.5, 120 bhp, petrol, convertible, 5 doors. Price: £25,740, unchanged since AskCar first saw it on 14 August 2026, 85 days ago. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-cooper-2824e4486411
- MINI Cooper Convertible 2.0, 161 bhp, automatic, petrol, convertible, 2 doors, 4 seats. Price: £28,975, unchanged since AskCar first saw it on 14 August 2026, 85 days ago. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers Boston in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/mini-cooper-convertible-bbd270bdffa9
- BMW 4 Series 3.0 M440i MHT, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 4,875 miles. Price: £59,975, unchanged since AskCar first saw it on 2 October 2026, 36 days ago. Euro 6 emissions standard. ULEZ compliant. Dealer: Listers in Boston, 1 mile from Boston. AskCar page: https://askcar.co.uk/car/bmw-4-series-94ce9fb06777
- 2007 Ferrari F430 4.3 Spider, 483 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 12,687 miles. Euro 3 emissions standard. MOT: valid until 8 July 2027. Dealer: Baytree Car Sales in Spalding, 12 miles from Boston. AskCar page: https://askcar.co.uk/car/ferrari-f430-2007-b04d14fe2f7f
Convertible cars across the UK by price
- Under £2,000 (165 cars)
- Under £3,000 (520 cars)
- Under £5,000 (1,360 cars)
- Under £8,000 (2,643 cars)
- Under £10,000 (3,625 cars)
- Under £15,000 (5,645 cars)
- Under £20,000 (7,330 cars)
- Under £30,000 (9,134 cars)
Popular models near Boston
- Vauxhall Corsa (59 cars)
- Kia Sportage (57 cars)
- BMW 3 Series (38 cars)
- Vauxhall Mokka (35 cars)
- Volkswagen Golf (35 cars)
- MINI Hatch (31 cars)
- Ford Puma (30 cars)
- Ford Focus (28 cars)
- Ford Fiesta (27 cars)
- MINI Countryman (27 cars)
- Nissan Qashqai (27 cars)
- Ford Transit Custom (26 vans)
- Toyota Yaris (26 cars)
- BMW 1 Series (25 cars)
- Land Rover Range Rover Evoque (24 cars)
- Mercedes-Benz A Class (24 cars)
- BMW X5 (22 cars)
- Vauxhall Astra (22 cars)
- Volkswagen Tiguan (22 cars)
- Audi A3 (21 cars)
- Peugeot 208 (21 cars)
- Peugeot 3008 (21 cars)
- Toyota C-HR (21 cars)
- Ford Kuga (20 cars)
- Mercedes-Benz C Class (20 cars)
Used cars and vans near Boston by price
- All used cars and vans near Boston
- Under £3,000 (63 cars and vans)
- Under £5,000 (184 cars and vans)
- Under £8,000 (383 cars and vans)
- Under £10,000 (551 cars and vans)
- Under £15,000 (1,040 cars and vans)
- Under £20,000 (1,472 cars and vans)
- Under £30,000 (1,920 cars and vans)
Nearby towns
- Used cars and vans near Spalding
- Used cars and vans near Sleaford
- Used cars and vans near Skegness
- Used cars and vans near Bourne
- Used cars and vans near Wisbech
- Used cars and vans near King's Lynn
- Used cars and vans near Grantham
- Used cars and vans near Louth
- Used cars and vans near Lincoln
- Used cars and vans near Stamford