Truck by Makoto Yamaguchi

Diagrams in A Arte dos Mestres de Origami by Mari Kanegae
Diagrams in NOA Magazine 18
Folded from 4 squares of decorated origami paper

VW bug by Charles Esseltine

Diagrams in BARF 2002 Spring by Jeremy Shafer
Diagrams in BOS Convention 2001 Autumn
Diagrams in NOA Magazine 400
Diagrams in Origami USA Convention 2003
Diagrams in Tanteidan 9th convention
Folded from a square of duo origami paper