The 1960, 1961, and 1962 models featured torsion bar front suspensions, with trailing arm suspension rears. Trim lines were base and "Custom". Engines included the base GMC 305 in 3 V6 for the GMC version, 135 hp (101 kW) 236 in 3 (3.9 L) and 150 hp (112 kW) 261 in 3 (4.3 L) straight-6s , and a 283 in 3 (4.6 L) V8 with 185 hp (119 kW).