There are no regulations forcing people to buy 4 door pickup trucks. The market swing from two door pickups to four doors over the last 30 years or so has been 100% driven by consumer demand.

Model Years: 1975-present Class: Full-size pickup truck Body Style: 2-door regular cab, 2-door extended cab, 4-door crew cab Layout: Front engine, RWD, 4WD 2025 MSRP: $39,345 - $77,105 If you call ...