GMC S-15 Jimmy

The GMC S-15 Jimmy was introduced in 1983 alongside the similar Chevrolet S10 Blazer.It was made to go along with the GMC S-15 pickup that was introduced in 1982 with the Chevrolet S-10 pickup.

First Generation (1983–1994)
The S-15 Jimmy was introduced in 1983 alongside with theChevrolet S10 Blazer. When it was introduced it was only offered with 2-doors, in 1991 the 4-door model was introduced but 2-door models were still available.

The S-15 Jimmy was offered with either a 4-speed automatic transmission or a 5-speed manual transmission.

Base power was provided by GM's 2.0 L OHV four-cylinder engine, producing a meager 83 hp (62 kW). A 2.8 L, 110 hp (82 kW) V6 was offered as an option.The 1.9, 2.0 and 2.2 liter diesel were dropped after 1985, replaced by the larger 2.5 liter engine. The V6 was refitted with a throttle-body fuel injection system for 1986 in order to improve performance and fuel economy.The Jimmy received a new 4.3 L V6 option in 1988, power output was increased to 160 hp (120 kW) in 1989.

In March 1990, 4-door versions of the Jimmy were introduced; the 4-door had a 6.5in longer wheelbase 2-doors had a 100.5 in wheelbase. And a one-piece front grille (1990 2-door Jimmys had the 3-piece grille). This came just months ahead of the introduction of the Ford Explorer.

First Generation Motors

 * 1983-1984 - 2.0 L OHV I4, 2-barrel carbureted, 83 hp (62 kW)/108 ft·lbf (146 N·m)
 * 1983-1985 - 1.9 L Isuzu I4, 2-barrel carbureted, 84 hp (63 kW)/101 ft·lbf (137 N·m) (California)
 * 1983-1985 - 2.2 L diesel I4, 58 hp (43 kW)/93 ft·lbf (126 N·m)
 * 1983-1985 - 2.8 L LR2 V6, 2-barrel carbureted, 110 hp (82 kW)/148 ft·lbf (201 N·m) (VIN B)
 * 1985-1989 - 2.5 L Tech IV I4, TBI, 92 hp (69 kW)/132 ft·lbf (179 N·m) (VIN E)
 * 1986-1993 - 2.8 L LL1 V6, TBI, 125 hp (93 kW)/150 ft·lbf (203 N·m) (VIN R)
 * 1988 - 4.3 L Vortec 4300 V6, TBI, 150 hp (112 kW)/230 ft·lbf (312 N·m) (VIN Z)
 * 1989-1992 - 4.3 L Vortec 4300 V6, TBI, 160 hp (119 kW)/230 ft·lbf (312 N·m) (VIN Z)
 * 1990-1993 - 2.5 L Tech IV I4, TBI, 105 hp (78 kW)/135 ft·lbf (183 N·m) (VIN A)
 * 1992-1993 - 4.3 L Vortec 4300 V6, CPFI, 195 hp (145 kW)/260 ft·lbf (353 N·m) (VIN W/Z)
 * 1994 - 2.2 L L43 I4, MPFI, 118 hp (88 kW)/130 ft·lbf (176 N·m) (VIN 4)
 * 1994 - 4.3 L Vortec 4300 V6, CMFI, 195 hp (145 kW)/260 ft·lbf (353 N·m) (VIN W/Z)

Second Generation (1995-2001)
The second generation Jimmy was introduced in 1995. Besides a change in headlights in 1998, the Jimmy remained pretty much unchanged until its cease of production in 2001.

Second Generation Motors

 * 1995 - 4.3 L LB4 V6, TBI, 155 hp (116 kW)/235 ft·lbf (319 N·m) (VIN Z)
 * 1995 - 4.3 L L35 V6, CMFI, 191 hp (142 kW)/260 ft·lbf (353 N·m) (VIN W)
 * 1996-2005 - 4.3 L Vortec 4300 V6, CSFI, 195 hp (130 kW)/250 ft·lbf (332 N·m) (VIN W)
 * 1996-1999 - 4.3 L Vortec 4300 V6, CSFI, 170 hp (134 kW)/240 ft·lbf (325 N·m) (VIN X)

Criticisms
The S-15 Jimmy along with the S10 Blazer having the 4.3L Vortec engine have been known to become noisy as they get older. The brake pedals have been known to have a mushy feeling.