Big Pickup Trucks Eclipsing S.U.V.'s
Big sport utility vehicle sales continued to grow last year as buyers sought smaller-size models, but sales of larger SUV's appear to have reached plateau; Ford Motor Co analysts say that for first time in decade, sales growth of full-size pickup trucks outpaced growth of SUV's over all; Ward's AutoInfoBank data show sales of full-size pickups rose 6.6 percent last year from 2003, compared with overall SUV sales growth of 4.3 percent; graphs; photo (M)
