I've got the 2.5TD KJ, and took it to WA and back (6000km) with the camper trailer behind. Overall fuel consumption increased fron just under 10 to about 12.5, and it cruised on the bitumen at the legal limit all the way. When driving off the bitumen I hardly knew the trailer was there.
Diesel every time, I say.
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Still a KJ lover, even though I now own a WK2 Limited CRD
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