The 1956 Barracuda came available with competition striping, 188.2 inches long and a wheel base of 106. Standard with an engine of 273 cubic inch V8, that produced 235 horsepower giving 0 to 60 in 7.5 seconds and a top speed of 125 miles per hour
In 1961 the Plymouth Valiant changed slightly in appearance which allows people flag this car as a 61. The range added a two-door sedan and hardtop to the four-door sedans and wagons. For an extra cost they offered a high-performance version 170-cubic-inch slant six engine was offered. All models except the hardtop came in either a Deluxe or Standard trim. Options included power-steering and air-conditioning .
In 1961 Plymouth dropped the fin they had been the known for, keeping the shell of its unit-construction body, changing to sheet metal gave Plymouth a lower wider look. The Passenger compartment, engine and chassis were barley changed. A flatter rear deck lid permitted an enlarged trunk compartment. The standard V-8 engine had a displacement of 318 cubic inches, and at 230 Horse power, The six cylinder was rated at 145 Horsepower.
The 1967 Plymouth Belvedere GTX was offered as a two door Hardtop (shown) and a convertible. Belvedere also offered a 2 seat economy wagon, two door fast top were included in the Fury line. The GTX came with a Hemi or 440 V-8.