i tried with my tape i reckon it is just under 6ft but that was over the bonnet from arch to arch it was somewhere between 5ft10- 6ft but im saying roughly cant find my haynes manual
according to the net it says 6ft 8
1989 Isuzu Trooper 2.6 (3.1 conversion )
1990 Isuzu Bighorn Lotus Edition Hi roof 2.8td
1998 Vauxhall Omega Estate Elite 3.0 v6