MagazineThe Best Time To Buy A Car Jeff FortsonNovember 1, 2006November 13, 2008 0 valign=”middle”>1,999 2,157 Light Duty Full-size Pickup 3,643 3,871 3,958 3,751 3,902 4,512 4,987 Heavy Duty Full-size Pickup 2,466 3,013 3,131 2,812 3,075 4,041 4,951 Total Full-size Pickup 3,350 3,648 3,732 3,497 3,672 4,381 4,977  Source: Power Information Network   1 2 3 4