1982
- Introduction of the Chevy S-Series truck.
1983
- Extended-Cab model and Insta-Trac 4WD system introduced
- 2.0L engine replaces 1.9 Liter
1984
- Heavy-duty spring package and gas shock absorbers
- Off-road package
1985
- 2.5 Liter L4 engine with EFI replaces 2.2 Liter engine
1986
- Electronic Fuel Injection introduced on 2.8 Liter V6 engine
1987
- New 3-speed automatic transmission and new quiet transfer case
1988
- Optional 4.3 Liter V6 with EFI and serpentine belt drive introduced
- Factory-installed sunroof
1989
- Rear-wheel anti-lock brakes
- Electronic instrument cluster, speedometer
- New transfer case
1990
- 5-speed manual transmission
- 2.5 Liter engine improvements
- Fixed gross vehicle weight rating (GVWR)
- Significant increase in standard equipment content
1991
- Improved 2.5 Liter L4 engine
1992
- 4-wheel-drive EL model introduced
- Optional electronic shift transfer case for 4WD models (except the EL)
1993
- 4-speed electronic transmission
- Balance shaft added to 4.3 Liter V6
1994
- All-new family of S-Series Pickups introduced
- New exterior and interior styling
- ZR2 and SS packages debut
1995
- Driver air bag
- Daytime Running Lamps
- ZR2 Extended-Cab
Source: GM Media

