2001 is Isuzu Motor Ltd's 85th year, and the company is marking the occasion with a special Polar White Pearl Anniversary Edition Trooper. Also for 2001, Isuzu has re-introduced a two-wheel-drive Trooper at every trim level.All Troopers are big, smooth-riding, and highly capable sport-utility wagons. The basic Trooper S is priced among the Ford Explorer, Chevrolet Blazer, and