The 4 door seats are different because the bottom section of the seat you sit on is "radiused" to allow space for your legs to get in. I believe it doesnt matter if the seats are 4 door sedan or hardtop. Passengers still need the room to get in the back seat.
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Chris - Ramsey, MN.
Dear Optimist, Pessimist, and Realist.
While you guys were busy arguing about the glass of water. I drank it!