The Italeri one dates from the 1970's, and is still excellent. No question, it is a great kit even by today's standards. The only annoyance is the rubber tyres, which can be problematic.
The Bronco kit is fabulously detailed, and possibly overly complex. It has more complete detail in some places, but much of it is hidden when the model is assembled.
If you want the ultimate detail, then go with Bronco. If you want a more reasonable build, and a lot lower cost, then go with Italeri. Both kits benefit from aftermarket wheels in my humble opinion.
for a good reference.
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AMPS 2VP (International)