Here is your estimate for your 2-door car with all vinyl bench seats (no armrests), using modern vinyl:

Front seat only: $320.00

Front and rear seats: $495.00

Headrest covers, add $60.00

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

Front seat with seat shell and robe rail: $440.00

Front seat with seat shell and rear seat: $620.00

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.