1991 Isuzu Trooper Isuzu Trooper for 1991 is equipped with a 2.6L 120 hp I4 and 2.8L 120 hp V6 engines paired with optional four-speed Automatic Overdrive and standard five-speed Manual Overdrive. Both engines can produce 120hp@ 4600rpm and 150 ft-lb of torque at 2600 rpm. S, SV6, XS, SE and LS are the available trims that come with distinct and unique features and performance. For 1991, the base model S can use the single-cam 3.2-liter V6 engine rated at 175-horsepower while LS can also install the twin-cam version of the same engine that produce 190 horsepower.
1988 Isuzu Trooper
1989 Isuzu Trooper
1990 Isuzu Trooper
1991 Isuzu Trooper
1991 Isuzu Trooper
1994 Isuzu Trooper
1999 Isuzu Trooper