Adapations would likely be a sticking point away from the scheme, due to damage they may cause to the vehicle when removed.
£759 AP Enyak would fit your needs except its about 4.6m in length.
Mum has Kona electric whichwill take hoist, but boots not the best shape- c4.3 to 4.4m in length, which is about the size, I’d say your after.