i just came back from a 2000km round trip and had a roof basket i had my tent and table and chair set i found the best thing for my fuel economy was driving a bit slower the speed limit was 100km/h but i was doing 85-90 and got nearly 600kms to a tank fully loaded with a/c on.

01 sporty, king springs,235/75/15s,tjm nudge bar,narva blue spotties,triffa spotties,uhf,dual battery sys and a sub.