Warning, this subject is old (5688 days without answer)
dixonwh
Next to last car appears to be an Oldsmobile Omega, I'd say 1973 or so.
The Chevy Vega wagon is a 1971-73 model.
taxiguy
The Ambulance is a Ford Econoline.
The second car is a Chevrolet Vega Wagon.
The third car is a Ford Pinto wagon.
The taxi after the Checker is a 1975-78 Ford LTD.
The very last car is a Chevrolet Nova.