1991 Chevrolet Astro: A more powerful, high-output V6 became available in 2WD models during '91. All outboard seats now had lap/shoulder belts.

1992 Chevrolet Astro: Still another high-output engine joined the Astro option list. This one developed 200 horsepower. A new "Dutch" rear-door option featured a one-piece glass liftgate with separately opening split panel doors below.

1993 Chevrolet Astro: Astro's 4-speed automatic transmission gained electronic shift controls, plus a second-gear start feature for improved slippery-surface traction. The base engine gained 15 horsepower, and speedometers now were calibrated to 100 mph instead of 85.

1994 Chevrolet Astro: The driver-side airbag became standard in all Astros. Side-door guard beams went into front doors and the sliding side door, while a center high-mounted stoplamp was installed in the roof.

1995 Chevrolet Astro: Facelifted with a new grille and nose for 1995, all models now came with extended bodies and a 190-horsepower engine. CL and LT option groups featured new composite headlamps and body-colored fascias.

1996 Chevrolet Astro: A passenger-side airbag went into Astros for 1996, along with a new dashboard that contained rotary controls and a locking glovebox. Horsepower remained at 190 but torque dropped by ten pound-feet, peaking at lower rpm than before. New spark plugs were said to last 100,000 miles. A new engine cover increased front foot room and contained molded-in cupholders.

1997 Chevrolet Astro: Speed-sensitive power steering and daytime running lights went into the '97 Astro. Optional leather upholstery became available later in the model year.

1998 Chevrolet Astro: Astro gets only exterior color changes and a revised transmission for '98.

1999 Chevrolet Astro: Astro's all-wheel-drive system was revised so that power was only sent to the front wheels when needed for maximum traction. Other changes included a standard overhead console on LS and LT trimmed models.

2000 Chevrolet Astro: Eight-passenger seating became standard this year, so no more 5-passenger models were available. A 7-passenger setup with two second-row buckets remained as an option. Chevrolet claimed that internal changes made the Astro's engine quieter and smoother for 2000. A Tow/Haul mode was added for more-efficient shifting when carrying heavy loads. New standard features included headlamps that switch on automatically in low-light conditions, a larger fuel tank made of plastic instead of metal, and retained accessory power that permits operating electrical accessories for up to 20 minutes after shutting off the ignition.

2001 Chevrolet Astro: A tilt steering wheel, cruise control, CD player, remote keyless entry, and power windows, mirrors and locks were newly standard in 2001.

2002 Chevrolet Astro: Cargo models offered remote keyless entry and a rear heater for 2002.

2003 Chevrolet Astro: The standard antilock brakes are upgraded to an all-disc setup and wheels are increased by one inch to 16-inches on all models.

2004 Chevrolet Astro: There were no significant changes made in 04.