That appears to be a VEC body.
“For sale a 1948 Willys Jeep. V6 buick engine, Automatic Transmission. 33X12.5 BFG All Terrain tires in good shape. Four wheel drive works good, Hi/Low transfer case. Heavy duty bumpers front and rear, with rear receiver hitch. Front disc brakes only, rear brakes do not exist, carbureator needs a kit. Fun vehicle to drive. Call 402-two 6 nine-five 6 zero 1. I will not reply to email.”