Here is your estimate for your 4-door car with all vinyl front 50/50 or 60/40 split bench and rear bench with one armrest, using modern vinyl:

Front seats only: $445.00

Front and rear seats: $695.00

Headrest covers, add $60.00

Tuck and roll, add $150.00 per row of seats.

Front seat with seat shell and robe rail: $565.00

Front seat with seat shell and robe rail and rear seat: $815.00

Heat pressed vinyl pleats add $250.00 for front and rear seats or $150.00 for just the front seat.

NOS vinyl:

Add $380.00 for all NOS vinyl, front and rear. Add $220.00 for fronts only.