I went through the LATCH and tether manual from Safe Ride News Publications and found the vehicles that have LATCH available in the center seating postion of the back seat. It is always a good idea to verify LATCH positions in your vehicle manual.
Buick
Century MY 02-03
LeSabre MY 02-03
Park Avenue MY 03
Regal MY 03
Cadillac
DeVille MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Escalade EXT MY 03
Seville MY 03
Chevrolet
Avalanche MY 03
Impala MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Monte Carlo MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Silverado Extended cab MY 01-03
Silverado Crew cab late MY 02, 03
Suburban 2nd row bench seat MY 03
Tahoe 2nd row bench seat MY 02-03
Chrysler
300M MY 02-03
Concorde MY 02-03
PT Cruiser MY 01-03
Sebring MY 01-03
Dodge
Intrepid MY 02-03
Neon MY 02-03
Stratus MY 01-03
Ford
Focus MY 00-03 (no dedicated center LATCH anchors, but can use the inside anchors of the outboard seating positions if the child restraint instructions allow)
Taurus sedan and wagon MY 01-03
Sable wagon MY 01-03
F150 Extended (“Superâ€) cab MY 03
Econoline E150-350 center 2nd row, center 3rd row MY 03
Expedition MY 03
Windstar MY 00-03 (for 3rd row bench: no dedicated center LATCH anchors, but can use the inside anchors of the outboard seating positions if the child restraint instructions allow)
GMC
Sierra 1500, 2500 Extended cab MY 01-03
Sierra Crew cab MY late 02, 03
Yukon, Yukon Denali 40/60 seat MY 03
Lexus
LX 470 MY 01-03
Lincoln
Navigator MY 03
Oldsmobile
Aurora MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Pontiac
Bonneville MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Grand Prix MY 03 (all 3 sets of rear LATCH anchors may be used at the same time)
Saturn
Ion MY 03 (all 3 sets of rear LATCH anchors may be used at the same time)
L series sedan and wagon MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Vue MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Toyota
Land Cruiser MY 01-03
Sequoia MY 02-03
Sienna 3rd row bench (LATCH only available on outboard passenger side and center position) MY 04
Buick
Century MY 02-03
LeSabre MY 02-03
Park Avenue MY 03
Regal MY 03
Cadillac
DeVille MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Escalade EXT MY 03
Seville MY 03
Chevrolet
Avalanche MY 03
Impala MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Monte Carlo MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Silverado Extended cab MY 01-03
Silverado Crew cab late MY 02, 03
Suburban 2nd row bench seat MY 03
Tahoe 2nd row bench seat MY 02-03
Chrysler
300M MY 02-03
Concorde MY 02-03
PT Cruiser MY 01-03
Sebring MY 01-03
Dodge
Intrepid MY 02-03
Neon MY 02-03
Stratus MY 01-03
Ford
Focus MY 00-03 (no dedicated center LATCH anchors, but can use the inside anchors of the outboard seating positions if the child restraint instructions allow)
Taurus sedan and wagon MY 01-03
Sable wagon MY 01-03
F150 Extended (“Superâ€) cab MY 03
Econoline E150-350 center 2nd row, center 3rd row MY 03
Expedition MY 03
Windstar MY 00-03 (for 3rd row bench: no dedicated center LATCH anchors, but can use the inside anchors of the outboard seating positions if the child restraint instructions allow)
GMC
Sierra 1500, 2500 Extended cab MY 01-03
Sierra Crew cab MY late 02, 03
Yukon, Yukon Denali 40/60 seat MY 03
Lexus
LX 470 MY 01-03
Lincoln
Navigator MY 03
Oldsmobile
Aurora MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Pontiac
Bonneville MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Grand Prix MY 03 (all 3 sets of rear LATCH anchors may be used at the same time)
Saturn
Ion MY 03 (all 3 sets of rear LATCH anchors may be used at the same time)
L series sedan and wagon MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Vue MY 02-03 (all 3 sets of rear LATCH anchors may be used at the same time)
Toyota
Land Cruiser MY 01-03
Sequoia MY 02-03
Sienna 3rd row bench (LATCH only available on outboard passenger side and center position) MY 04